XtraDB 5.6.20-68.0

51 files changed, 1113 insertions, 713 deletions

diff --git a/storage/xtradb/CMakeLists.txt b/storage/xtradb/CMakeLists.txt
index 161c1519983..42019da50f5 100644
--- a/storage/xtradb/CMakeLists.txt
+++ b/storage/xtradb/CMakeLists.txt
@@ -78,7 +78,6 @@ IF(NOT CMAKE_CROSSCOMPILING)
     long	x;
     long	y;
     long	res;
-    char	c;
 
     x = 10;
     y = 123;
@@ -99,6 +98,16 @@ IF(NOT CMAKE_CROSSCOMPILING)
     if (res != 123 + 10 || x != 123 + 10) {
       return(1);
     }
+    return(0);
+  }"
+  HAVE_IB_GCC_ATOMIC_BUILTINS
+  )
+  CHECK_C_SOURCE_RUNS(
+  "
+  int main()
+  {
+    long	res;
+    char	c;
 
     c = 10;
     res = __sync_lock_test_and_set(&c, 123);
@@ -107,7 +116,7 @@ IF(NOT CMAKE_CROSSCOMPILING)
     }
     return(0);
   }"
-  HAVE_IB_GCC_ATOMIC_BUILTINS
+  HAVE_IB_GCC_ATOMIC_BUILTINS_BYTE
   )
   CHECK_C_SOURCE_RUNS(
   "#include<stdint.h>
@@ -155,6 +164,10 @@ IF(HAVE_IB_GCC_ATOMIC_BUILTINS)
  SET(XTRADB_OK 1)
 ENDIF()
 
+IF(HAVE_IB_GCC_ATOMIC_BUILTINS_BYTE)
+ ADD_DEFINITIONS(-DHAVE_IB_GCC_ATOMIC_BUILTINS_BYTE=1)
+ENDIF()
+
 IF(HAVE_IB_GCC_ATOMIC_BUILTINS_64)
  ADD_DEFINITIONS(-DHAVE_IB_GCC_ATOMIC_BUILTINS_64=1)
 ENDIF()
@@ -283,13 +296,6 @@ IF(MSVC)
   ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS)
   ADD_DEFINITIONS(-DHAVE_WINDOWS_MM_FENCE)
   SET(XTRADB_OK 1)
-
-  # Avoid "unreferenced label" warning in generated file
-  GET_FILENAME_COMPONENT(_SRC_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
-  SET_SOURCE_FILES_PROPERTIES(${_SRC_DIR}/pars/pars0grm.c
-          PROPERTIES COMPILE_FLAGS "/wd4102")
-  SET_SOURCE_FILES_PROPERTIES(${_SRC_DIR}/pars/lexyy.c
-          PROPERTIES COMPILE_FLAGS "/wd4003")
 ENDIF()
 
 
diff --git a/storage/xtradb/api/api0api.cc b/storage/xtradb/api/api0api.cc
index bb65dd82216..a060cbc7270 100644
--- a/storage/xtradb/api/api0api.cc
+++ b/storage/xtradb/api/api0api.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2008, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2008, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -2044,6 +2044,8 @@ ib_cursor_delete_row(
 		const rec_t*	rec;
 		ib_bool_t	page_format;
 		mtr_t		mtr;
+		rec_t*		copy = NULL;
+	        byte		ptr[UNIV_PAGE_SIZE_MAX];
 
 		page_format = static_cast<ib_bool_t>(
 			dict_table_is_comp(index->table));
@@ -2052,16 +2054,27 @@ ib_cursor_delete_row(
 
 		if (btr_pcur_restore_position(
 			BTR_SEARCH_LEAF, pcur, &mtr)) {
+			mem_heap_t*	heap = NULL;
+			ulint		offsets_[REC_OFFS_NORMAL_SIZE];
+			ulint*		offsets	= offsets_;
+
+			rec_offs_init(offsets_);
 
 			rec = btr_pcur_get_rec(pcur);
-		} else {
-			rec = NULL;
+
+			/* Since mtr will be commited, the rec
+			will not be protected. Make a copy of
+			the rec. */
+			offsets = rec_get_offsets(
+				rec, index, offsets, ULINT_UNDEFINED, &heap);
+			ut_ad(rec_offs_size(offsets) < UNIV_PAGE_SIZE_MAX);
+			copy = rec_copy(ptr, rec, offsets);
 		}
 
 		mtr_commit(&mtr);
 
-		if (rec && !rec_get_deleted_flag(rec, page_format)) {
-			err = ib_delete_row(cursor, pcur, rec);
+		if (copy && !rec_get_deleted_flag(copy, page_format)) {
+			err = ib_delete_row(cursor, pcur, copy);
 		} else {
 			err = DB_RECORD_NOT_FOUND;
 		}
diff --git a/storage/xtradb/btr/btr0cur.cc b/storage/xtradb/btr/btr0cur.cc
index a074414aa7a..5d8b5c04d68 100644
--- a/storage/xtradb/btr/btr0cur.cc
+++ b/storage/xtradb/btr/btr0cur.cc
@@ -2734,6 +2734,31 @@ make_external:
 		goto return_after_reservations;
 	}
 
+	if (big_rec_vec) {
+		const ulint redo_10p = srv_log_file_size * UNIV_PAGE_SIZE / 10;
+		ulint total_blob_len = 0;
+
+		/* Calculate the total number of bytes for blob data */
+		for (ulint i = 0; i < big_rec_vec->n_fields; i++) {
+			total_blob_len += big_rec_vec->fields[i].len;
+		}
+
+		if (total_blob_len > redo_10p) {
+			ib_logf(IB_LOG_LEVEL_ERROR, "The total blob data"
+				" length (" ULINTPF ") is greater than"
+				" 10%% of the redo log file size (" UINT64PF
+				"). Please increase innodb_log_file_size.",
+				total_blob_len, srv_log_file_size);
+			if (n_reserved > 0) {
+				fil_space_release_free_extents(
+					index->space, n_reserved);
+			}
+
+			err = DB_TOO_BIG_RECORD;
+			goto err_exit;
+		}
+	}
+
 	/* Store state of explicit locks on rec on the page infimum record,
 	before deleting rec. The page infimum acts as a dummy carrier of the
 	locks, taking care also of lock releases, before we can move the locks
@@ -4584,6 +4609,7 @@ btr_store_big_rec_extern_fields(
 	buf_block_t**	freed_pages	= NULL;
 	ulint		n_freed_pages	= 0;
 	dberr_t		error		= DB_SUCCESS;
+	ulint		total_blob_len	= 0;
 
 	ut_ad(rec_offs_validate(rec, index, offsets));
 	ut_ad(rec_offs_any_extern(offsets));
@@ -4603,6 +4629,23 @@ btr_store_big_rec_extern_fields(
 	rec_page_no = buf_block_get_page_no(rec_block);
 	ut_a(fil_page_get_type(page_align(rec)) == FIL_PAGE_INDEX);
 
+	const ulint redo_10p = (srv_log_file_size * UNIV_PAGE_SIZE / 10);
+
+	/* Calculate the total number of bytes for blob data */
+	for (ulint i = 0; i < big_rec_vec->n_fields; i++) {
+		total_blob_len += big_rec_vec->fields[i].len;
+	}
+
+	if (total_blob_len > redo_10p) {
+		ut_ad(op == BTR_STORE_INSERT);
+		ib_logf(IB_LOG_LEVEL_ERROR, "The total blob data length"
+			" (" ULINTPF ") is greater than 10%% of the"
+			" redo log file size (" UINT64PF "). Please"
+			" increase innodb_log_file_size.",
+			total_blob_len, srv_log_file_size);
+		return(DB_TOO_BIG_RECORD);
+	}
+
 	if (page_zip) {
 		int	err;
 
diff --git a/storage/xtradb/buf/buf0buf.cc b/storage/xtradb/buf/buf0buf.cc
index 27e2af20298..d4c8218b339 100644
--- a/storage/xtradb/buf/buf0buf.cc
+++ b/storage/xtradb/buf/buf0buf.cc
@@ -2990,12 +2990,6 @@ got_block:
 
 	ut_ad(buf_block_get_state(fix_block) == BUF_BLOCK_FILE_PAGE);
 
-#if UNIV_WORD_SIZE == 4
-	/* On 32-bit systems, there is no padding in buf_page_t.  On
-	other systems, Valgrind could complain about uninitialized pad
-	bytes. */
-	UNIV_MEM_ASSERT_RW(&fix_block->page, sizeof(fix_block->page));
-#endif
 #if defined UNIV_DEBUG || defined UNIV_IBUF_DEBUG
 
 	if ((mode == BUF_GET_IF_IN_POOL || mode == BUF_GET_IF_IN_POOL_OR_WATCH)
@@ -5628,7 +5622,7 @@ buf_get_free_list_len(void)
 
 #else /* !UNIV_HOTBACKUP */
 /********************************************************************//**
-Inits a page to the buffer buf_pool, for use in ibbackup --restore. */
+Inits a page to the buffer buf_pool, for use in mysqlbackup --restore. */
 UNIV_INTERN
 void
 buf_page_init_for_backup_restore(
diff --git a/storage/xtradb/buf/buf0lru.cc b/storage/xtradb/buf/buf0lru.cc
index be6d38f5ef7..3b0319e4e79 100644
--- a/storage/xtradb/buf/buf0lru.cc
+++ b/storage/xtradb/buf/buf0lru.cc
@@ -1973,13 +1973,6 @@ buf_LRU_free_page(
 	ut_ad(buf_page_in_file(bpage));
 	ut_ad(bpage->in_LRU_list);
 
-#if UNIV_WORD_SIZE == 4
-	/* On 32-bit systems, there is no padding in buf_page_t.  On
-	other systems, Valgrind could complain about uninitialized pad
-	bytes. */
-	UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage);
-#endif
-
 	if (!buf_page_can_relocate(bpage)) {
 
 		/* Do not free buffer fixed or I/O-fixed blocks. */
@@ -2012,12 +2005,6 @@ buf_LRU_free_page(
 	ut_ad(buf_page_in_file(bpage));
 	ut_ad(bpage->in_LRU_list);
 	ut_ad(!bpage->in_flush_list == !bpage->oldest_modification);
-#if UNIV_WORD_SIZE == 4
-	/* On 32-bit systems, there is no padding in buf_page_t.  On
-	other systems, Valgrind could complain about uninitialized pad
-	bytes. */
-	UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage);
-#endif
 
 #ifdef UNIV_DEBUG
 	if (buf_debug_prints) {
@@ -2123,13 +2110,6 @@ not_freed:
 
 			ut_ad(prev_b->in_LRU_list);
 			ut_ad(buf_page_in_file(prev_b));
-#if UNIV_WORD_SIZE == 4
-			/* On 32-bit systems, there is no
-			padding in buf_page_t.  On other
-			systems, Valgrind could complain about
-			uninitialized pad bytes. */
-			UNIV_MEM_ASSERT_RW(prev_b, sizeof *prev_b);
-#endif
 			UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU,
 					     prev_b, b);
 
@@ -2340,13 +2320,6 @@ buf_LRU_block_remove_hashed(
 	ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE);
 	ut_a(bpage->buf_fix_count == 0);
 
-#if UNIV_WORD_SIZE == 4
-	/* On 32-bit systems, there is no padding in
-	buf_page_t.  On other systems, Valgrind could complain
-	about uninitialized pad bytes. */
-	UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage);
-#endif
-
 	buf_LRU_remove_block(bpage);
 
 	buf_pool->freed_page_clock += 1;
diff --git a/storage/xtradb/dict/dict0crea.cc b/storage/xtradb/dict/dict0crea.cc
index ff892749d4f..30523ff2af4 100644
--- a/storage/xtradb/dict/dict0crea.cc
+++ b/storage/xtradb/dict/dict0crea.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1611,26 +1611,25 @@ dict_create_add_foreign_to_dictionary(
 	return(error);
 }
 
-/********************************************************************//**
-Adds foreign key definitions to data dictionary tables in the database.
-@return	error code or DB_SUCCESS */
+/** Adds the given set of foreign key objects to the dictionary tables
+in the database. This function does not modify the dictionary cache. The
+caller must ensure that all foreign key objects contain a valid constraint
+name in foreign->id.
+@param[in]	local_fk_set	set of foreign key objects, to be added to
+the dictionary tables
+@param[in]	table		table to which the foreign key objects in
+local_fk_set belong to
+@param[in,out]	trx		transaction
+@return error code or DB_SUCCESS */
 UNIV_INTERN
 dberr_t
 dict_create_add_foreigns_to_dictionary(
 /*===================================*/
-	ulint		start_id,/*!< in: if we are actually doing ALTER TABLE
-				ADD CONSTRAINT, we want to generate constraint
-				numbers which are bigger than in the table so
-				far; we number the constraints from
-				start_id + 1 up; start_id should be set to 0 if
-				we are creating a new table, or if the table
-				so far has no constraints for which the name
-				was generated here */
-	dict_table_t*	table,	/*!< in: table */
-	trx_t*		trx)	/*!< in: transaction */
+	const dict_foreign_set&	local_fk_set,
+	const dict_table_t*	table,
+	trx_t*			trx)
 {
 	dict_foreign_t*	foreign;
-	ulint		number	= start_id + 1;
 	dberr_t		error;
 
 	ut_ad(mutex_own(&(dict_sys->mutex)));
@@ -1643,17 +1642,12 @@ dict_create_add_foreigns_to_dictionary(
 		return(DB_ERROR);
 	}
 
-	for (foreign = UT_LIST_GET_FIRST(table->foreign_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::const_iterator it = local_fk_set.begin();
+	     it != local_fk_set.end();
+	     ++it) {
 
-		error = dict_create_add_foreign_id(&number, table->name,
-						   foreign);
-
-		if (error != DB_SUCCESS) {
-
-			return(error);
-		}
+		foreign = *it;
+		ut_ad(foreign->id != NULL);
 
 		error = dict_create_add_foreign_to_dictionary(table->name,
 							      foreign, trx);
diff --git a/storage/xtradb/dict/dict0dict.cc b/storage/xtradb/dict/dict0dict.cc
index 8a596a3cd73..3ccade0bfc4 100644
--- a/storage/xtradb/dict/dict0dict.cc
+++ b/storage/xtradb/dict/dict0dict.cc
@@ -27,6 +27,7 @@ Created 1/8/1996 Heikki Tuuri
 #include "dict0dict.h"
 #include "fts0fts.h"
 #include "fil0fil.h"
+#include <algorithm>
 
 #ifdef UNIV_NONINL
 #include "dict0dict.ic"
@@ -1251,8 +1252,8 @@ dict_table_can_be_evicted(
 #endif /* UNIV_SYNC_DEBUG */
 
 	ut_a(table->can_be_evicted);
-	ut_a(UT_LIST_GET_LEN(table->foreign_list) == 0);
-	ut_a(UT_LIST_GET_LEN(table->referenced_list) == 0);
+	ut_a(table->foreign_set.empty());
+	ut_a(table->referenced_set.empty());
 
 	if (table->n_ref_count == 0) {
 		dict_index_t*	index;
@@ -1468,6 +1469,22 @@ dict_index_find_on_id_low(
 	return(NULL);
 }
 
+/** Function object to remove a foreign key constraint from the
+referenced_set of the referenced table.  The foreign key object is
+also removed from the dictionary cache.  The foreign key constraint
+is not removed from the foreign_set of the table containing the
+constraint. */
+struct dict_foreign_remove_partial
+{
+	void operator()(dict_foreign_t* foreign) {
+		dict_table_t*	table = foreign->referenced_table;
+		if (table != NULL) {
+			table->referenced_set.erase(foreign);
+		}
+		dict_foreign_free(foreign);
+	}
+};
+
 /**********************************************************************//**
 Renames a table object.
 @return	TRUE if success */
@@ -1642,27 +1659,25 @@ dict_table_rename_in_cache(
 		system tables through a call of dict_load_foreigns. */
 
 		/* Remove the foreign constraints from the cache */
-		foreign = UT_LIST_GET_LAST(table->foreign_list);
-
-		while (foreign != NULL) {
-			dict_foreign_remove_from_cache(foreign);
-			foreign = UT_LIST_GET_LAST(table->foreign_list);
-		}
+		std::for_each(table->foreign_set.begin(),
+			      table->foreign_set.end(),
+			      dict_foreign_remove_partial());
+		table->foreign_set.clear();
 
 		/* Reset table field in referencing constraints */
+		for (dict_foreign_set::iterator it
+			= table->referenced_set.begin();
+		     it != table->referenced_set.end();
+		     ++it) {
 
-		foreign = UT_LIST_GET_FIRST(table->referenced_list);
-
-		while (foreign != NULL) {
+			foreign = *it;
 			foreign->referenced_table = NULL;
 			foreign->referenced_index = NULL;
 
-			foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
 		}
 
-		/* Make the list of referencing constraints empty */
-
-		UT_LIST_INIT(table->referenced_list);
+		/* Make the set of referencing constraints empty */
+		table->referenced_set.clear();
 
 		return(DB_SUCCESS);
 	}
@@ -1671,9 +1686,19 @@ dict_table_rename_in_cache(
 	the constraint id of new format >= 4.0.18 constraints. Note that at
 	this point we have already changed table->name to the new name. */
 
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
+	dict_foreign_set	fk_set;
+
+	for (;;) {
+
+		dict_foreign_set::iterator	it
+			= table->foreign_set.begin();
+
+		if (it == table->foreign_set.end()) {
+			break;
+		}
+
+		foreign = *it;
 
-	while (foreign != NULL) {
 		if (ut_strlen(foreign->foreign_table_name)
 		    < ut_strlen(table->name)) {
 			/* Allocate a longer name buffer;
@@ -1823,12 +1848,18 @@ dict_table_rename_in_cache(
 			mem_free(old_id);
 		}
 
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
+		table->foreign_set.erase(it);
+		fk_set.insert(foreign);
 	}
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	ut_a(table->foreign_set.empty());
+	table->foreign_set.swap(fk_set);
+
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
 
 		if (ut_strlen(foreign->referenced_table_name)
 		    < ut_strlen(table->name)) {
@@ -1898,27 +1929,17 @@ dict_table_remove_from_cache_low(
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 	ut_ad(table->magic_n == DICT_TABLE_MAGIC_N);
 
-#if 0
-	fputs("Removing table ", stderr);
-	ut_print_name(stderr, table->name, ULINT_UNDEFINED);
-	fputs(" from dictionary cache\n", stderr);
-#endif
-
 	/* Remove the foreign constraints from the cache */
-
-	for (foreign = UT_LIST_GET_LAST(table->foreign_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_LAST(table->foreign_list)) {
-
-		dict_foreign_remove_from_cache(foreign);
-	}
+	std::for_each(table->foreign_set.begin(), table->foreign_set.end(),
+		      dict_foreign_remove_partial());
+	table->foreign_set.clear();
 
 	/* Reset table field in referencing constraints */
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
-
+		foreign = *it;
 		foreign->referenced_table = NULL;
 		foreign->referenced_index = NULL;
 	}
@@ -3138,7 +3159,7 @@ dict_table_is_referenced_by_foreign_key(
 /*====================================*/
 	const dict_table_t*	table)	/*!< in: InnoDB table */
 {
-	return(UT_LIST_GET_LEN(table->referenced_list) > 0);
+	return(!table->referenced_set.empty());
 }
 
 /*********************************************************************//**
@@ -3158,9 +3179,11 @@ dict_table_get_referenced_constraint(
 	ut_ad(index != NULL);
 	ut_ad(table != NULL);
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
 
 		if (foreign->referenced_index == index) {
 
@@ -3189,9 +3212,11 @@ dict_table_get_foreign_constraint(
 	ut_ad(index != NULL);
 	ut_ad(table != NULL);
 
-	for (foreign = UT_LIST_GET_FIRST(table->foreign_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
+
+		foreign = *it;
 
 		if (foreign->foreign_index == index) {
 
@@ -3202,17 +3227,6 @@ dict_table_get_foreign_constraint(
 	return(NULL);
 }
 
-/*********************************************************************//**
-Frees a foreign key struct. */
-UNIV_INTERN
-void
-dict_foreign_free(
-/*==============*/
-	dict_foreign_t*	foreign)	/*!< in, own: foreign key struct */
-{
-	mem_heap_free(foreign->heap);
-}
-
 /**********************************************************************//**
 Removes a foreign constraint struct from the dictionary cache. */
 UNIV_INTERN
@@ -3224,16 +3238,12 @@ dict_foreign_remove_from_cache(
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 	ut_a(foreign);
 
-	if (foreign->referenced_table) {
-		UT_LIST_REMOVE(referenced_list,
-			       foreign->referenced_table->referenced_list,
-			       foreign);
+	if (foreign->referenced_table != NULL) {
+		foreign->referenced_table->referenced_set.erase(foreign);
 	}
 
-	if (foreign->foreign_table) {
-		UT_LIST_REMOVE(foreign_list,
-			       foreign->foreign_table->foreign_list,
-			       foreign);
+	if (foreign->foreign_table != NULL) {
+		foreign->foreign_table->foreign_set.erase(foreign);
 	}
 
 	dict_foreign_free(foreign);
@@ -3247,33 +3257,21 @@ static
 dict_foreign_t*
 dict_foreign_find(
 /*==============*/
-	dict_table_t*	table,	/*!< in: table object */
-	const char*	id)	/*!< in: foreign constraint id */
+	dict_table_t*	table,		/*!< in: table object */
+	dict_foreign_t*	foreign)	/*!< in: foreign constraint */
 {
-	dict_foreign_t*	foreign;
-
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
+	dict_foreign_set::iterator it = table->foreign_set.find(foreign);
 
-	while (foreign) {
-		if (ut_strcmp(id, foreign->id) == 0) {
-
-			return(foreign);
-		}
-
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
+	if (it != table->foreign_set.end()) {
+		return(*it);
 	}
 
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
-
-	while (foreign) {
-		if (ut_strcmp(id, foreign->id) == 0) {
-
-			return(foreign);
-		}
+	it = table->referenced_set.find(foreign);
 
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
+	if (it != table->referenced_set.end()) {
+		return(*it);
 	}
 
 	return(NULL);
@@ -3411,11 +3409,11 @@ dict_foreign_add_to_cache(
 	ut_a(for_table || ref_table);
 
 	if (for_table) {
-		for_in_cache = dict_foreign_find(for_table, foreign->id);
+		for_in_cache = dict_foreign_find(for_table, foreign);
 	}
 
 	if (!for_in_cache && ref_table) {
-		for_in_cache = dict_foreign_find(ref_table, foreign->id);
+		for_in_cache = dict_foreign_find(ref_table, foreign);
 	}
 
 	if (for_in_cache) {
@@ -3452,9 +3450,12 @@ dict_foreign_add_to_cache(
 
 		for_in_cache->referenced_table = ref_table;
 		for_in_cache->referenced_index = index;
-		UT_LIST_ADD_LAST(referenced_list,
-				 ref_table->referenced_list,
-				 for_in_cache);
+
+		std::pair<dict_foreign_set::iterator, bool>	ret
+			= ref_table->referenced_set.insert(for_in_cache);
+
+		ut_a(ret.second);	/* second is true if the insertion
+					took place */
 		added_to_referenced_list = TRUE;
 	}
 
@@ -3483,10 +3484,13 @@ dict_foreign_add_to_cache(
 
 			if (for_in_cache == foreign) {
 				if (added_to_referenced_list) {
-					UT_LIST_REMOVE(
-						referenced_list,
-						ref_table->referenced_list,
-						for_in_cache);
+					const dict_foreign_set::size_type	n
+						= ref_table->referenced_set
+						  .erase(for_in_cache);
+
+					ut_a(n == 1);	/* the number of
+							elements removed must
+							be one */
 				}
 
 				mem_heap_free(foreign->heap);
@@ -3497,9 +3501,11 @@ dict_foreign_add_to_cache(
 
 		for_in_cache->foreign_table = for_table;
 		for_in_cache->foreign_index = index;
-		UT_LIST_ADD_LAST(foreign_list,
-				 for_table->foreign_list,
-				 for_in_cache);
+		std::pair<dict_foreign_set::iterator, bool>	ret
+			= for_table->foreign_set.insert(for_in_cache);
+
+		ut_a(ret.second);	/* second is true if the insertion
+					took place */
 	}
 
 	/* We need to move the table to the non-LRU end of the table LRU
@@ -4077,9 +4083,12 @@ dict_table_get_highest_foreign_id(
 	ut_a(table);
 
 	len = ut_strlen(table->name);
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
 
-	while (foreign) {
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
+		foreign = *it;
+
 		if (ut_strlen(foreign->id) > ((sizeof dict_ibfk) - 1) + len
 		    && 0 == ut_memcmp(foreign->id, table->name, len)
 		    && 0 == ut_memcmp(foreign->id + len,
@@ -4098,8 +4107,6 @@ dict_table_get_highest_foreign_id(
 				}
 			}
 		}
-
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
 	}
 
 	return(biggest_id);
@@ -4160,6 +4167,7 @@ dict_create_foreign_constraints_low(
 	dict_table_t*	referenced_table;
 	dict_table_t*	table_to_alter;
 	ulint		highest_id_so_far	= 0;
+	ulint		number			= 1;
 	dict_index_t*	index;
 	dict_foreign_t*	foreign;
 	const char*	ptr			= sql_string;
@@ -4178,6 +4186,8 @@ dict_create_foreign_constraints_low(
 	const dict_col_t*columns[500];
 	const char*	column_names[500];
 	const char*	referenced_table_name;
+	dict_foreign_set	local_fk_set;
+	dict_foreign_set_free	local_fk_set_free(local_fk_set);
 
 	ut_ad(!srv_read_only_mode);
 	ut_ad(mutex_own(&(dict_sys->mutex)));
@@ -4242,6 +4252,7 @@ dict_create_foreign_constraints_low(
 			table_to_alter);
 	}
 
+	number = highest_id_so_far + 1;
 	/* Scan for foreign key declarations in a loop */
 loop:
 	/* Scan either to "CONSTRAINT" or "FOREIGN", whichever is closer */
@@ -4286,7 +4297,7 @@ loop:
 		command, determine if there are any foreign keys, and
 		if so, immediately reject the command if the table is a
 		temporary one. For now, this kludge will work. */
-		if (reject_fks && (UT_LIST_GET_LEN(table->foreign_list) > 0)) {
+		if (reject_fks && !local_fk_set.empty()) {
 
 			return(DB_CANNOT_ADD_CONSTRAINT);
 		}
@@ -4296,7 +4307,17 @@ loop:
 		to the data dictionary system tables on disk */
 
 		error = dict_create_add_foreigns_to_dictionary(
-			highest_id_so_far, table, trx);
+			local_fk_set, table, trx);
+
+		if (error == DB_SUCCESS) {
+
+			table->foreign_set.insert(local_fk_set.begin(),
+						  local_fk_set.end());
+			std::for_each(local_fk_set.begin(),
+				      local_fk_set.end(),
+				      dict_foreign_add_to_referenced_table());
+			local_fk_set.clear();
+		}
 		return(error);
 	}
 
@@ -4455,6 +4476,24 @@ col_loop1:
 		strcpy(foreign->id + db_len + 1, constraint_name);
 	}
 
+	if (foreign->id == NULL) {
+		error = dict_create_add_foreign_id(&number,
+						   table->name, foreign);
+		if (error != DB_SUCCESS) {
+			dict_foreign_free(foreign);
+			return(error);
+		}
+	}
+
+	std::pair<dict_foreign_set::iterator, bool>	ret
+		= local_fk_set.insert(foreign);
+
+	if (!ret.second) {
+		/* A duplicate foreign key name has been found */
+		dict_foreign_free(foreign);
+		return(DB_CANNOT_ADD_CONSTRAINT);
+	}
+
 	foreign->foreign_table = table;
 	foreign->foreign_table_name = mem_heap_strdup(
 		foreign->heap, table->name);
@@ -4480,8 +4519,6 @@ col_loop1:
 	checking of foreign key constraints! */
 
 	if (!success || (!referenced_table && trx->check_foreigns)) {
-		dict_foreign_free(foreign);
-
 		mutex_enter(&dict_foreign_err_mutex);
 		dict_foreign_error_report_low(ef, name);
 		fprintf(ef, "%s:\nCannot resolve table name close to:\n"
@@ -4495,7 +4532,6 @@ col_loop1:
 	ptr = dict_accept(cs, ptr, "(", &success);
 
 	if (!success) {
-		dict_foreign_free(foreign);
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
 					       ptr);
 		return(DB_CANNOT_ADD_CONSTRAINT);
@@ -4510,7 +4546,6 @@ col_loop2:
 	i++;
 
 	if (!success) {
-		dict_foreign_free(foreign);
 
 		mutex_enter(&dict_foreign_err_mutex);
 		dict_foreign_error_report_low(ef, name);
@@ -4531,7 +4566,6 @@ col_loop2:
 	ptr = dict_accept(cs, ptr, ")", &success);
 
 	if (!success || foreign->n_fields != i) {
-		dict_foreign_free(foreign);
 
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
 					       ptr);
@@ -4557,7 +4591,6 @@ scan_on_conditions:
 		ptr = dict_accept(cs, ptr, "UPDATE", &success);
 
 		if (!success) {
-			dict_foreign_free(foreign);
 
 			dict_foreign_report_syntax_err(
 				name, start_of_latest_foreign, ptr);
@@ -4595,7 +4628,6 @@ scan_on_conditions:
 		ptr = dict_accept(cs, ptr, "ACTION", &success);
 
 		if (!success) {
-			dict_foreign_free(foreign);
 			dict_foreign_report_syntax_err(
 				name, start_of_latest_foreign, ptr);
 
@@ -4614,7 +4646,6 @@ scan_on_conditions:
 	ptr = dict_accept(cs, ptr, "SET", &success);
 
 	if (!success) {
-		dict_foreign_free(foreign);
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
 					       ptr);
 		return(DB_CANNOT_ADD_CONSTRAINT);
@@ -4623,7 +4654,6 @@ scan_on_conditions:
 	ptr = dict_accept(cs, ptr, "NULL", &success);
 
 	if (!success) {
-		dict_foreign_free(foreign);
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
 					       ptr);
 		return(DB_CANNOT_ADD_CONSTRAINT);
@@ -4636,8 +4666,6 @@ scan_on_conditions:
 			/* It is not sensible to define SET NULL
 			if the column is not allowed to be NULL! */
 
-			dict_foreign_free(foreign);
-
 			mutex_enter(&dict_foreign_err_mutex);
 			dict_foreign_error_report_low(ef, name);
 			fprintf(ef, "%s:\n"
@@ -4663,8 +4691,6 @@ try_find_index:
 	if (n_on_deletes > 1 || n_on_updates > 1) {
 		/* It is an error to define more than 1 action */
 
-		dict_foreign_free(foreign);
-
 		mutex_enter(&dict_foreign_err_mutex);
 		dict_foreign_error_report_low(ef, name);
 		fprintf(ef, "%s:\n"
@@ -4686,7 +4712,6 @@ try_find_index:
 						foreign->foreign_index,
 						TRUE, FALSE);
 		if (!index) {
-			dict_foreign_free(foreign);
 			mutex_enter(&dict_foreign_err_mutex);
 			dict_foreign_error_report_low(ef, name);
 			fprintf(ef, "%s:\n"
@@ -4730,16 +4755,6 @@ try_find_index:
 			= mem_heap_strdup(foreign->heap, column_names[i]);
 	}
 
-	/* We found an ok constraint definition: add to the lists */
-
-	UT_LIST_ADD_LAST(foreign_list, table->foreign_list, foreign);
-
-	if (referenced_table) {
-		UT_LIST_ADD_LAST(referenced_list,
-				 referenced_table->referenced_list,
-				 foreign);
-	}
-
 	goto loop;
 }
 /**************************************************************************
@@ -4825,7 +4840,6 @@ dict_foreign_parse_drop_constraints(
 	const char***	constraints_to_drop)	/*!< out: id's of the
 						constraints to drop */
 {
-	dict_foreign_t*		foreign;
 	ibool			success;
 	char*			str;
 	size_t			len;
@@ -4902,25 +4916,10 @@ loop:
 	(*constraints_to_drop)[*n] = id;
 	(*n)++;
 
-	/* Look for the given constraint id */
-
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
-
-	while (foreign != NULL) {
-		if (0 == innobase_strcasecmp(foreign->id, id)
-		    || (strchr(foreign->id, '/')
-			&& 0 == innobase_strcasecmp(
-				id,
-				dict_remove_db_name(foreign->id)))) {
-			/* Found */
-			break;
-		}
-
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
-	}
-
-
-	if (foreign == NULL) {
+	if (std::find_if(table->foreign_set.begin(),
+			 table->foreign_set.end(),
+			 dict_foreign_matches_id(id))
+	    == table->foreign_set.end()) {
 
 		if (!srv_read_only_mode) {
 			FILE*	ef = dict_foreign_err_file;
@@ -5247,7 +5246,6 @@ dict_table_print(
 	dict_table_t*	table)	/*!< in: table */
 {
 	dict_index_t*	index;
-	dict_foreign_t*	foreign;
 	ulint		i;
 
 	ut_ad(mutex_own(&(dict_sys->mutex)));
@@ -5286,19 +5284,13 @@ dict_table_print(
 
 	dict_table_stats_unlock(table, RW_X_LATCH);
 
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
-
-	while (foreign != NULL) {
-		dict_foreign_print_low(foreign);
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
-	}
-
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
+	std::for_each(table->foreign_set.begin(),
+		      table->foreign_set.end(),
+		      dict_foreign_print_low);
 
-	while (foreign != NULL) {
-		dict_foreign_print_low(foreign);
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
-	}
+	std::for_each(table->referenced_set.begin(),
+		      table->referenced_set.end(),
+		      dict_foreign_print_low);
 }
 
 /**********************************************************************//**
@@ -5506,15 +5498,12 @@ dict_print_info_on_foreign_keys(
 
 	mutex_enter(&(dict_sys->mutex));
 
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
-
-	if (foreign == NULL) {
-		mutex_exit(&(dict_sys->mutex));
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
 
-		return;
-	}
+		foreign = *it;
 
-	while (foreign != NULL) {
 		if (create_table_format) {
 			dict_print_info_on_foreign_key_in_create_format(
 				file, trx, foreign, TRUE);
@@ -5571,8 +5560,6 @@ dict_print_info_on_foreign_keys(
 				fputs(" ON UPDATE NO ACTION", file);
 			}
 		}
-
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
 	}
 
 	mutex_exit(&(dict_sys->mutex));
@@ -5943,10 +5930,11 @@ dict_foreign_replace_index(
 	ut_ad(index->to_be_dropped);
 	ut_ad(index->table == table);
 
-	for (foreign = UT_LIST_GET_FIRST(table->foreign_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
 
+		foreign = *it;
 		if (foreign->foreign_index == index) {
 			ut_ad(foreign->foreign_table == index->table);
 
@@ -5966,10 +5954,11 @@ dict_foreign_replace_index(
 		}
 	}
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
 
+		foreign = *it;
 		if (foreign->referenced_index == index) {
 			ut_ad(foreign->referenced_table == index->table);
 
@@ -6281,24 +6270,24 @@ dict_table_schema_check(
 		}
 	}
 
-	if (req_schema->n_foreign != UT_LIST_GET_LEN(table->foreign_list)) {
+	if (req_schema->n_foreign != table->foreign_set.size()) {
 		ut_snprintf(
 			errstr, errstr_sz,
-			"Table %s has %lu foreign key(s) pointing to other "
-			"tables, but it must have %lu.",
+			"Table %s has " ULINTPF " foreign key(s) pointing"
+			" to other tables, but it must have %lu.",
 			ut_format_name(req_schema->table_name,
 				       TRUE, buf, sizeof(buf)),
-			UT_LIST_GET_LEN(table->foreign_list),
+			static_cast<ulint>(table->foreign_set.size()),
 			req_schema->n_foreign);
 		return(DB_ERROR);
 	}
 
-	if (req_schema->n_referenced != UT_LIST_GET_LEN(table->referenced_list)) {
+	if (req_schema->n_referenced != table->referenced_set.size()) {
 		ut_snprintf(
 			errstr, errstr_sz,
-			"There are %lu foreign key(s) pointing to %s, "
+			"There are " ULINTPF " foreign key(s) pointing to %s, "
 			"but there must be %lu.",
-			UT_LIST_GET_LEN(table->referenced_list),
+			static_cast<ulint>(table->referenced_set.size()),
 			ut_format_name(req_schema->table_name,
 				       TRUE, buf, sizeof(buf)),
 			req_schema->n_referenced);
diff --git a/storage/xtradb/dict/dict0mem.cc b/storage/xtradb/dict/dict0mem.cc
index b80f9fc5750..5e0ffab4bf7 100644
--- a/storage/xtradb/dict/dict0mem.cc
+++ b/storage/xtradb/dict/dict0mem.cc
@@ -137,6 +137,9 @@ dict_mem_table_create(
 
 #endif /* !UNIV_HOTBACKUP */
 
+	new(&table->foreign_set) dict_foreign_set();
+	new(&table->referenced_set) dict_foreign_set();
+
 	return(table);
 }
 
@@ -172,6 +175,9 @@ dict_mem_table_free(
 
 	dict_table_stats_latch_destroy(table);
 
+	table->foreign_set.~dict_foreign_set();
+	table->referenced_set.~dict_foreign_set();
+
 	ut_free(table->name);
 	mem_heap_free(table->heap);
 }
@@ -342,10 +348,15 @@ dict_mem_table_col_rename_low(
 		table->col_names = col_names;
 	}
 
+	dict_foreign_t*	foreign;
+
 	/* Replace the field names in every foreign key constraint. */
-	for (dict_foreign_t* foreign = UT_LIST_GET_FIRST(table->foreign_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		for (unsigned f = 0; f < foreign->n_fields; f++) {
 			/* These can point straight to
 			table->col_names, because the foreign key
@@ -357,10 +368,12 @@ dict_mem_table_col_rename_low(
 		}
 	}
 
-	for (dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-		     table->referenced_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		for (unsigned f = 0; f < foreign->n_fields; f++) {
 			/* foreign->referenced_col_names[] need to be
 			copies, because the constraint may become
diff --git a/storage/xtradb/fil/fil0fil.cc b/storage/xtradb/fil/fil0fil.cc
index 74d5b51d230..852311d3864 100644
--- a/storage/xtradb/fil/fil0fil.cc
+++ b/storage/xtradb/fil/fil0fil.cc
@@ -112,7 +112,7 @@ completes, we decrement the count and return the file node to the LRU-list if
 the count drops to zero. */
 
 /** When mysqld is run, the default directory "." is the mysqld datadir,
-but in the MySQL Embedded Server Library and ibbackup it is not the default
+but in the MySQL Embedded Server Library and mysqlbackup it is not the default
 directory, and we must set the base file path explicitly */
 UNIV_INTERN const char*	fil_path_to_mysql_datadir	= ".";
 
@@ -2061,8 +2061,8 @@ fil_check_first_page(
 }
 
 /*******************************************************************//**
-Reads the flushed lsn, arch no, and tablespace flag fields from a data
-file at database startup.
+Reads the flushed lsn, arch no, space_id and tablespace flag fields from
+the first page of a data file at database startup.
 @retval NULL on success, or if innodb_force_recovery is set
 @return pointer to an error message string */
 UNIV_INTERN
@@ -2093,16 +2093,19 @@ fil_read_first_page(
 
 	os_file_read(data_file, page, 0, UNIV_PAGE_SIZE);
 
-	*flags = fsp_header_get_flags(page);
-
-	*space_id = fsp_header_get_space_id(page);
-
-	flushed_lsn = mach_read_from_8(page + FIL_PAGE_FILE_FLUSH_LSN);
-
+	/* The FSP_HEADER on page 0 is only valid for the first file
+	in a tablespace.  So if this is not the first datafile, leave
+	*flags and *space_id as they were read from the first file and
+	do not validate the first page. */
 	if (!one_read_already) {
+		*flags = fsp_header_get_flags(page);
+		*space_id = fsp_header_get_space_id(page);
+
 		check_msg = fil_check_first_page(page);
 	}
 
+	flushed_lsn = mach_read_from_8(page + FIL_PAGE_FILE_FLUSH_LSN);
+
 	ut_free(buf);
 
 	if (check_msg) {
@@ -2299,13 +2302,13 @@ exists and the space id in it matches. Replays the create operation if a file
 at that path does not exist yet. If the database directory for the file to be
 created does not exist, then we create the directory, too.
 
-Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the
-datadir that we should use in replaying the file operations.
+Note that mysqlbackup --apply-log sets fil_path_to_mysql_datadir to point to
+the datadir that we should use in replaying the file operations.
 
 InnoDB recovery does not replay these fully since it always sets the space id
-to zero. But ibbackup does replay them.  TODO: If remote tablespaces are used,
-ibbackup will only create tables in the default directory since MLOG_FILE_CREATE
-and MLOG_FILE_CREATE2 only know the tablename, not the path.
+to zero. But mysqlbackup does replay them.  TODO: If remote tablespaces are
+used, mysqlbackup will only create tables in the default directory since
+MLOG_FILE_CREATE and MLOG_FILE_CREATE2 only know the tablename, not the path.
 
 @return end of log record, or NULL if the record was not completely
 contained between ptr and end_ptr */
@@ -2397,11 +2400,11 @@ fil_op_log_parse_or_replay(
 	}
 
 	/* Let us try to perform the file operation, if sensible. Note that
-	ibbackup has at this stage already read in all space id info to the
+	mysqlbackup has at this stage already read in all space id info to the
 	fil0fil.cc data structures.
 
 	NOTE that our algorithm is not guaranteed to work correctly if there
-	were renames of tables during the backup. See ibbackup code for more
+	were renames of tables during the backup. See mysqlbackup code for more
 	on the problem. */
 
 	switch (type) {
@@ -2816,12 +2819,12 @@ fil_delete_tablespace(
 	if (err == DB_SUCCESS) {
 #ifndef UNIV_HOTBACKUP
 		/* Write a log record about the deletion of the .ibd
-		file, so that ibbackup can replay it in the
+		file, so that mysqlbackup can replay it in the
 		--apply-log phase. We use a dummy mtr and the familiar
 		log write mechanism. */
 		mtr_t		mtr;
 
-		/* When replaying the operation in ibbackup, do not try
+		/* When replaying the operation in mysqlbackup, do not try
 		to write any log record */
 		mtr_start(&mtr);
 
@@ -4483,7 +4486,7 @@ will_not_choose:
 			" (< 4 pages 16 kB each),\n"
 			"InnoDB: or the space id in the file header"
 			" is not sensible.\n"
-			"InnoDB: This can happen in an ibbackup run,"
+			"InnoDB: This can happen in an mysqlbackup run,"
 			" and is not dangerous.\n",
 			fsp->filepath, fsp->id, fsp->filepath, size);
 		os_file_close(fsp->file);
@@ -4520,7 +4523,7 @@ will_not_choose:
 			"InnoDB: because space %s with the same id\n"
 			"InnoDB: was scanned earlier. This can happen"
 			" if you have renamed tables\n"
-			"InnoDB: during an ibbackup run.\n",
+			"InnoDB: during an mysqlbackup run.\n",
 			fsp->filepath, fsp->id, fsp->filepath,
 			space->name);
 		os_file_close(fsp->file);
@@ -5233,9 +5236,9 @@ file_extended:
 #ifdef UNIV_HOTBACKUP
 /********************************************************************//**
 Extends all tablespaces to the size stored in the space header. During the
-ibbackup --apply-log phase we extended the spaces on-demand so that log records
-could be applied, but that may have left spaces still too small compared to
-the size stored in the space header. */
+mysqlbackup --apply-log phase we extended the spaces on-demand so that log
+records could be applied, but that may have left spaces still too small
+compared to the size stored in the space header. */
 UNIV_INTERN
 void
 fil_extend_tablespaces_to_stored_len(void)
@@ -5764,7 +5767,7 @@ _fil_io(
 		offset, len, node, message, space_id, trx);
 
 #else
-	/* In ibbackup do normal i/o, not aio */
+	/* In mysqlbackup do normal i/o, not aio */
 	if (type == OS_FILE_READ) {
 		ret = os_file_read(node->handle, buf, offset, len);
 	} else {
diff --git a/storage/xtradb/fts/fts0ast.cc b/storage/xtradb/fts/fts0ast.cc
index d6c19c0050a..dd48ffee14d 100644
--- a/storage/xtradb/fts/fts0ast.cc
+++ b/storage/xtradb/fts/fts0ast.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -83,11 +83,11 @@ UNIV_INTERN
 fts_ast_node_t*
 fts_ast_create_node_term(
 /*=====================*/
-	void*		arg,			/*!< in: ast state instance */
-	const char*	ptr)			/*!< in: ast term string */
+	void*			arg,		/*!< in: ast state instance */
+	const fts_ast_string_t*	ptr)		/*!< in: ast term string */
 {
 	fts_ast_state_t*	state = static_cast<fts_ast_state_t*>(arg);
-	ulint			len = strlen(ptr);
+	ulint			len = ptr->len;
 	ulint			cur_pos = 0;
 	fts_ast_node_t*         node = NULL;
 	fts_ast_node_t*		node_list = NULL;
@@ -101,8 +101,9 @@ fts_ast_create_node_term(
 
 		cur_len = innobase_mysql_fts_get_token(
 			state->charset,
-			reinterpret_cast<const byte*>(ptr) + cur_pos,
-			reinterpret_cast<const byte*>(ptr) + len, &str, &offset);
+			reinterpret_cast<const byte*>(ptr->str) + cur_pos,
+			reinterpret_cast<const byte*>(ptr->str) + len,
+			&str, &offset);
 
 		if (cur_len == 0) {
 			break;
@@ -124,10 +125,8 @@ fts_ast_create_node_term(
 
 			node->type = FTS_AST_TERM;
 
-			node->term.ptr = static_cast<byte*>(ut_malloc(
-				str.f_len + 1));
-			memcpy(node->term.ptr, str.f_str, str.f_len);
-			node->term.ptr[str.f_len] = '\0';
+			node->term.ptr = fts_ast_string_create(
+						str.f_str, str.f_len);
 
 			fts_ast_state_add_node(
 				static_cast<fts_ast_state_t*>(arg), node);
@@ -160,25 +159,21 @@ UNIV_INTERN
 fts_ast_node_t*
 fts_ast_create_node_text(
 /*=====================*/
-	void*		arg,			/*!< in: ast state instance */
-	const char*	ptr)			/*!< in: ast text string */
+	void*			arg,	/*!< in: ast state instance */
+	const fts_ast_string_t*	ptr)	/*!< in: ast text string */
 {
-	ulint		len = strlen(ptr);
+	ulint		len = ptr->len;
 	fts_ast_node_t*	node = NULL;
 
+	/* Once we come here, the string must have at least 2 quotes ""
+	around the query string, which could be empty. Also the query
+	string may contain 0x00 in it, we don't treat it as null-terminated. */
+	ut_ad(len >= 2);
+	ut_ad(ptr->str[0] == '\"' && ptr->str[len - 1] == '\"');
 
-	ut_ad(len >= 1);
-
-	if (len <= 2) {
-		/* There is a way to directly supply null terminator
-		in the query string (by using 0x220022) and get here,
-		and certainly it would not make a valid query text */
-		ut_ad(ptr[0] == '\"');
-
-		if (len == 2) {
-			ut_ad(ptr[1] == '\"');
-		}
-
+	if (len == 2) {
+		/* If the query string contains nothing except quotes,
+		it's obviously an invalid query. */
 		return(NULL);
 	}
 
@@ -188,11 +183,9 @@ fts_ast_create_node_text(
 	len -= 2;
 
 	node->type = FTS_AST_TEXT;
-	node->text.ptr = static_cast<byte*>(ut_malloc(len + 1));
-
 	/*!< Skip copying the first quote */
-	memcpy(node->text.ptr, ptr + 1, len);
-	node->text.ptr[len] = 0;
+	node->text.ptr = fts_ast_string_create(
+			reinterpret_cast<const byte*>(ptr->str + 1), len);
 	node->text.distance = ULINT_UNDEFINED;
 
 	fts_ast_state_add_node((fts_ast_state_t*) arg, node);
@@ -275,14 +268,14 @@ fts_ast_free_node(
 	switch (node->type) {
 	case FTS_AST_TEXT:
 		if (node->text.ptr) {
-			ut_free(node->text.ptr);
+			fts_ast_string_free(node->text.ptr);
 			node->text.ptr = NULL;
 		}
 		break;
 
 	case FTS_AST_TERM:
 		if (node->term.ptr) {
-			ut_free(node->term.ptr);
+			fts_ast_string_free(node->term.ptr);
 			node->term.ptr = NULL;
 		}
 		break;
@@ -421,10 +414,10 @@ fts_ast_state_free(
 		fts_ast_node_t*	next = node->next_alloc;
 
 		if (node->type == FTS_AST_TEXT && node->text.ptr) {
-			ut_free(node->text.ptr);
+			fts_ast_string_free(node->text.ptr);
 			node->text.ptr = NULL;
 		} else if (node->type == FTS_AST_TERM && node->term.ptr) {
-			ut_free(node->term.ptr);
+			fts_ast_string_free(node->term.ptr);
 			node->term.ptr = NULL;
 		}
 
@@ -445,11 +438,13 @@ fts_ast_node_print(
 {
 	switch (node->type) {
 	case FTS_AST_TEXT:
-		printf("TEXT: %s\n", node->text.ptr);
+		printf("TEXT: ");
+		fts_ast_string_print(node->text.ptr);
 		break;
 
 	case FTS_AST_TERM:
-		printf("TERM: %s\n", node->term.ptr);
+		printf("TERM: ");
+		fts_ast_string_print(node->term.ptr);
 		break;
 
 	case FTS_AST_LIST:
@@ -628,3 +623,74 @@ fts_ast_visit(
 
 	return(error);
 }
+
+/**
+Create an ast string object, with NUL-terminator, so the string
+has one more byte than len
+@param[in] str		pointer to string
+@param[in] len		length of the string
+@return ast string with NUL-terminator */
+UNIV_INTERN
+fts_ast_string_t*
+fts_ast_string_create(
+	const byte*	str,
+	ulint		len)
+{
+	fts_ast_string_t*	ast_str;
+
+	ut_ad(len > 0);
+
+	ast_str = static_cast<fts_ast_string_t*>
+			(ut_malloc(sizeof(fts_ast_string_t)));
+	ast_str->str = static_cast<byte*>(ut_malloc(len + 1));
+
+	ast_str->len = len;
+	memcpy(ast_str->str, str, len);
+	ast_str->str[len] = '\0';
+
+	return(ast_str);
+}
+
+/**
+Free an ast string instance
+@param[in,out] ast_str		string to free */
+UNIV_INTERN
+void
+fts_ast_string_free(
+	fts_ast_string_t*	ast_str)
+{
+	if (ast_str != NULL) {
+		ut_free(ast_str->str);
+		ut_free(ast_str);
+	}
+}
+
+/**
+Translate ast string of type FTS_AST_NUMB to unsigned long by strtoul
+@param[in] str		string to translate
+@param[in] base		the base
+@return translated number */
+UNIV_INTERN
+ulint
+fts_ast_string_to_ul(
+	const fts_ast_string_t*	ast_str,
+	int			base)
+{
+	return(strtoul(reinterpret_cast<const char*>(ast_str->str),
+		       NULL, base));
+}
+
+/**
+Print the ast string
+@param[in] str		string to print */
+UNIV_INTERN
+void
+fts_ast_string_print(
+	const fts_ast_string_t*	ast_str)
+{
+	for (ulint i = 0; i < ast_str->len; ++i) {
+		printf("%c", ast_str->str[i]);
+	}
+
+	printf("\n");
+}
diff --git a/storage/xtradb/fts/fts0blex.cc b/storage/xtradb/fts/fts0blex.cc
index f83523825d2..7d0acb00a3b 100644
--- a/storage/xtradb/fts/fts0blex.cc
+++ b/storage/xtradb/fts/fts0blex.cc
@@ -451,7 +451,7 @@ static yyconst flex_int16_t yy_chk[32] =
 #line 1 "fts0blex.l"
 /*****************************************************************************
 
-Copyright (c) 2007, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -806,7 +806,7 @@ case 3:
 YY_RULE_SETUP
 #line 53 "fts0blex.l"
 {
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_NUMB);
 }
@@ -815,7 +815,7 @@ case 4:
 YY_RULE_SETUP
 #line 59 "fts0blex.l"
 {
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_TERM);
 }
@@ -824,7 +824,7 @@ case 5:
 YY_RULE_SETUP
 #line 65 "fts0blex.l"
 {
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_TEXT);
 }
diff --git a/storage/xtradb/fts/fts0blex.l b/storage/xtradb/fts/fts0blex.l
index 6193f0df187..ae6e8ffaa48 100644
--- a/storage/xtradb/fts/fts0blex.l
+++ b/storage/xtradb/fts/fts0blex.l
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -51,19 +51,19 @@ this program; if not, write to the Free Software Foundation, Inc.,
 }
 
 [0-9]+			{
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_NUMB);
 }
 
 [^" \n*()+\-<>~@%]*		{
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_TERM);
 }
 
 \"[^\"\n]*\"		{
-	val->token = strdup(fts0bget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
 
 	return(FTS_TEXT);
 }
diff --git a/storage/xtradb/fts/fts0fts.cc b/storage/xtradb/fts/fts0fts.cc
index a19df8b39da..8884e944dfd 100644
--- a/storage/xtradb/fts/fts0fts.cc
+++ b/storage/xtradb/fts/fts0fts.cc
@@ -608,8 +608,10 @@ fts_cache_init(
 
 	cache->total_size = 0;
 
+	mutex_enter((ib_mutex_t*) &cache->deleted_lock);
 	cache->deleted_doc_ids = ib_vector_create(
 		cache->sync_heap, sizeof(fts_update_t), 4);
+	mutex_exit((ib_mutex_t*) &cache->deleted_lock);
 
 	/* Reset the cache data for all the FTS indexes. */
 	for (i = 0; i < ib_vector_size(cache->indexes); ++i) {
@@ -1137,7 +1139,10 @@ fts_cache_clear(
 	cache->sync_heap->arg = NULL;
 
 	cache->total_size = 0;
+
+	mutex_enter((ib_mutex_t*) &cache->deleted_lock);
 	cache->deleted_doc_ids = NULL;
+	mutex_exit((ib_mutex_t*) &cache->deleted_lock);
 }
 
 /*********************************************************************//**
@@ -1954,10 +1959,15 @@ fts_create_one_index_table(
 	char*			table_name = fts_get_table_name(fts_table);
 	dberr_t			error;
 	CHARSET_INFO*		charset;
+	ulint			flags2 = 0;
 
 	ut_ad(index->type & DICT_FTS);
 
-	new_table = dict_mem_table_create(table_name, 0, 5, 1, 0, false);
+	if (srv_file_per_table) {
+		flags2 = DICT_TF2_USE_TABLESPACE;
+	}
+
+	new_table = dict_mem_table_create(table_name, 0, 5, 1, flags2, false);
 
 	field = dict_index_get_nth_field(index, 0);
 	charset = innobase_get_fts_charset(
@@ -1986,7 +1996,7 @@ fts_create_one_index_table(
 	dict_mem_table_add_col(new_table, heap, "ilist", DATA_BLOB,
 			       4130048,	0);
 
-	error = row_create_table_for_mysql(new_table, trx, true);
+	error = row_create_table_for_mysql(new_table, trx, false);
 
 	if (error != DB_SUCCESS) {
 		trx->error_state = error;
@@ -2251,11 +2261,15 @@ static
 fts_trx_t*
 fts_trx_create(
 /*===========*/
-	trx_t*	trx)				/*!< in: InnoDB transaction */
+	trx_t*	trx)				/*!< in/out: InnoDB
+						transaction */
 {
-	fts_trx_t*	ftt;
-	ib_alloc_t*	heap_alloc;
-	mem_heap_t*	heap = mem_heap_create(1024);
+	fts_trx_t*		ftt;
+	ib_alloc_t*		heap_alloc;
+	mem_heap_t*		heap = mem_heap_create(1024);
+	trx_named_savept_t*	savep;
+
+	ut_a(trx->fts_trx == NULL);
 
 	ftt = static_cast<fts_trx_t*>(mem_heap_alloc(heap, sizeof(fts_trx_t)));
 	ftt->trx = trx;
@@ -2273,6 +2287,14 @@ fts_trx_create(
 	fts_savepoint_create(ftt->savepoints, NULL, NULL);
 	fts_savepoint_create(ftt->last_stmt, NULL, NULL);
 
+	/* Copy savepoints that already set before. */
+	for (savep = UT_LIST_GET_FIRST(trx->trx_savepoints);
+	     savep != NULL;
+	     savep = UT_LIST_GET_NEXT(trx_savepoints, savep)) {
+
+		fts_savepoint_take(trx, ftt, savep->name);
+	}
+
 	return(ftt);
 }
 
@@ -4366,6 +4388,7 @@ fts_sync_commit(
 	/* We need to do this within the deleted lock since fts_delete() can
 	attempt to add a deleted doc id to the cache deleted id array. */
 	fts_cache_clear(cache);
+	DEBUG_SYNC_C("fts_deleted_doc_ids_clear");
 	fts_cache_init(cache);
 	rw_lock_x_unlock(&cache->lock);
 
@@ -5167,6 +5190,12 @@ fts_cache_append_deleted_doc_ids(
 
 	mutex_enter((ib_mutex_t*) &cache->deleted_lock);
 
+	if (cache->deleted_doc_ids == NULL) {
+		mutex_exit((ib_mutex_t*) &cache->deleted_lock);
+		return;
+	}
+
+
 	for (i = 0; i < ib_vector_size(cache->deleted_doc_ids); ++i) {
 		fts_update_t*	update;
 
@@ -5452,16 +5481,15 @@ void
 fts_savepoint_take(
 /*===============*/
 	trx_t*		trx,		/*!< in: transaction */
+	fts_trx_t*	fts_trx,	/*!< in: fts transaction */
 	const char*	name)		/*!< in: savepoint name */
 {
 	mem_heap_t*		heap;
-	fts_trx_t*		fts_trx;
 	fts_savepoint_t*	savepoint;
 	fts_savepoint_t*	last_savepoint;
 
 	ut_a(name != NULL);
 
-	fts_trx = trx->fts_trx;
 	heap = fts_trx->heap;
 
 	/* The implied savepoint must exist. */
@@ -5778,7 +5806,7 @@ fts_savepoint_rollback(
 		ut_a(ib_vector_size(savepoints) > 0);
 
 		/* Restore the savepoint. */
-		fts_savepoint_take(trx, name);
+		fts_savepoint_take(trx, trx->fts_trx, name);
 	}
 }
 
diff --git a/storage/xtradb/fts/fts0pars.cc b/storage/xtradb/fts/fts0pars.cc
index 83d465b0988..7f0ba4e0c1b 100644
--- a/storage/xtradb/fts/fts0pars.cc
+++ b/storage/xtradb/fts/fts0pars.cc
@@ -100,6 +100,8 @@ extern int ftserror(const char* p);
 #define YYPARSE_PARAM state
 #define YYLEX_PARAM ((fts_ast_state_t*) state)->lexer
 
+#define YYTOKENFREE(token) fts_ast_string_free((token))
+
 typedef	int	(*fts_scanner_alt)(YYSTYPE* val, yyscan_t yyscanner);
 typedef	int	(*fts_scanner)();
 
@@ -154,9 +156,9 @@ typedef union YYSTYPE
 /* Line 293 of yacc.c  */
 #line 61 "fts0pars.y"
 
-	int		oper;
-	char*		token;
-	fts_ast_node_t*	node;
+	int			oper;
+	fts_ast_string_t*	token;
+	fts_ast_node_t*		node;
 
 
 
@@ -632,6 +634,19 @@ while (YYID (0))
 #define YYTERROR	1
 #define YYERRCODE	256
 
+#define YYERRCLEANUP						\
+do								\
+  switch (yylastchar)						\
+    {								\
+      case FTS_NUMB:						\
+      case FTS_TEXT:						\
+      case FTS_TERM:						\
+        YYTOKENFREE(yylval.token);				\
+        break;							\
+      default:							\
+        break;							\
+    }								\
+while (YYID (0))
 
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
    If N is 0, then set CURRENT to the empty location which ends
@@ -1169,6 +1184,8 @@ yyparse ()
 {
 /* The lookahead symbol.  */
 int yychar;
+/* The backup of yychar when there is an error and we're in yyerrlab. */
+int yylastchar;
 
 /* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
@@ -1524,8 +1541,8 @@ yyreduce:
 /* Line 1806 of yacc.c  */
 #line 141 "fts0pars.y"
     {
-		fts_ast_term_set_distance((yyvsp[(1) - (3)].node), strtoul((yyvsp[(3) - (3)].token), NULL, 10));
-		free((yyvsp[(3) - (3)].token));
+		fts_ast_term_set_distance((yyvsp[(1) - (3)].node), fts_ast_string_to_ul((yyvsp[(3) - (3)].token), 10));
+		fts_ast_string_free((yyvsp[(3) - (3)].token));
 	}
     break;
 
@@ -1557,8 +1574,8 @@ yyreduce:
     {
 		(yyval.node) = fts_ast_create_node_list(state, (yyvsp[(1) - (4)].node));
 		fts_ast_add_node((yyval.node), (yyvsp[(2) - (4)].node));
-		fts_ast_term_set_distance((yyvsp[(2) - (4)].node), strtoul((yyvsp[(4) - (4)].token), NULL, 10));
-		free((yyvsp[(4) - (4)].token));
+		fts_ast_term_set_distance((yyvsp[(2) - (4)].node), fts_ast_string_to_ul((yyvsp[(4) - (4)].token), 10));
+		fts_ast_string_free((yyvsp[(4) - (4)].token));
 	}
     break;
 
@@ -1623,7 +1640,7 @@ yyreduce:
 #line 191 "fts0pars.y"
     {
 		(yyval.node)  = fts_ast_create_node_term(state, (yyvsp[(1) - (1)].token));
-		free((yyvsp[(1) - (1)].token));
+		fts_ast_string_free((yyvsp[(1) - (1)].token));
 	}
     break;
 
@@ -1633,7 +1650,7 @@ yyreduce:
 #line 196 "fts0pars.y"
     {
 		(yyval.node)  = fts_ast_create_node_term(state, (yyvsp[(1) - (1)].token));
-		free((yyvsp[(1) - (1)].token));
+		fts_ast_string_free((yyvsp[(1) - (1)].token));
 	}
     break;
 
@@ -1652,7 +1669,7 @@ yyreduce:
 #line 207 "fts0pars.y"
     {
 		(yyval.node)  = fts_ast_create_node_text(state, (yyvsp[(1) - (1)].token));
-		free((yyvsp[(1) - (1)].token));
+		fts_ast_string_free((yyvsp[(1) - (1)].token));
 	}
     break;
 
@@ -1700,6 +1717,8 @@ yyreduce:
 | yyerrlab -- here on detecting error |
 `------------------------------------*/
 yyerrlab:
+  /* Backup yychar, in case we would change it. */
+  yylastchar = yychar;
   /* Make sure we have latest lookahead translation.  See comments at
      user semantic actions for why this is necessary.  */
   yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
@@ -1755,7 +1774,11 @@ yyerrlab:
 	{
 	  /* Return failure if at end of input.  */
 	  if (yychar == YYEOF)
-	    YYABORT;
+	    {
+	      /* Since we don't need the token, we have to free it first. */
+	      YYERRCLEANUP;
+	      YYABORT;
+	    }
 	}
       else
 	{
@@ -1812,7 +1835,11 @@ yyerrlab1:
 
       /* Pop the current state because it cannot handle the error token.  */
       if (yyssp == yyss)
-	YYABORT;
+	{
+	  /* Since we don't need the error token, we have to free it first. */
+	  YYERRCLEANUP;
+	  YYABORT;
+	}
 
 
       yydestruct ("Error: popping",
diff --git a/storage/xtradb/fts/fts0pars.y b/storage/xtradb/fts/fts0pars.y
index ff22e9a9873..e48036e82fe 100644
--- a/storage/xtradb/fts/fts0pars.y
+++ b/storage/xtradb/fts/fts0pars.y
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2013,  Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014,  Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -59,9 +59,9 @@ struct fts_lexer_struct {
 %}
 
 %union {
-	int		oper;
-	char*		token;
-	fts_ast_node_t*	node;
+	int			oper;
+	fts_ast_string_t*	token;
+	fts_ast_node_t*		node;
 };
 
 /* Enable re-entrant parser */
@@ -139,8 +139,8 @@ expr	: term		{
 	}
 
 	| text '@' FTS_NUMB {
-		fts_ast_term_set_distance($1, strtoul($3, NULL, 10));
-		free($3);
+		fts_ast_term_set_distance($1, fts_ast_string_to_ul($3, 10));
+		fts_ast_string_free($3);
 	}
 
 	| prefix term '*' {
@@ -157,8 +157,8 @@ expr	: term		{
 	| prefix text '@' FTS_NUMB {
 		$$ = fts_ast_create_node_list(state, $1);
 		fts_ast_add_node($$, $2);
-		fts_ast_term_set_distance($2, strtoul($4, NULL, 10));
-		free($4);
+		fts_ast_term_set_distance($2, fts_ast_string_to_ul($4, 10));
+		fts_ast_string_free($4);
 	}
 
 	| prefix text {
@@ -190,12 +190,12 @@ prefix	: '-'		{
 
 term	: FTS_TERM	{
 		$$  = fts_ast_create_node_term(state, $1);
-		free($1);
+		fts_ast_string_free($1);
 	}
 
 	| FTS_NUMB	{
 		$$  = fts_ast_create_node_term(state, $1);
-		free($1);
+		fts_ast_string_free($1);
 	}
 
 	/* Ignore leading '*' */
@@ -206,7 +206,7 @@ term	: FTS_TERM	{
 
 text	: FTS_TEXT	{
 		$$  = fts_ast_create_node_text(state, $1);
-		free($1);
+		fts_ast_string_free($1);
 	}
 	;
 %%
diff --git a/storage/xtradb/fts/fts0que.cc b/storage/xtradb/fts/fts0que.cc
index c5c5f954789..beeb31abb9e 100644
--- a/storage/xtradb/fts/fts0que.cc
+++ b/storage/xtradb/fts/fts0que.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -2800,20 +2800,19 @@ fts_query_get_token(
 	ulint		str_len;
 	byte*		new_ptr = NULL;
 
-	str_len = ut_strlen((char*) node->term.ptr);
+	str_len = node->term.ptr->len;
 
 	ut_a(node->type == FTS_AST_TERM);
 
 	token->f_len = str_len;
-	token->f_str = node->term.ptr;
+	token->f_str = node->term.ptr->str;
 
 	if (node->term.wildcard) {
 
 		token->f_str = static_cast<byte*>(ut_malloc(str_len + 2));
 		token->f_len = str_len + 1;
 
-		/* Need to copy the NUL character too. */
-		memcpy(token->f_str, node->term.ptr, str_len + 1);
+		memcpy(token->f_str, node->term.ptr->str, str_len);
 
 		token->f_str[str_len] = '%';
 		token->f_str[token->f_len] = 0;
@@ -2848,8 +2847,8 @@ fts_query_visitor(
 
 	switch (node->type) {
 	case FTS_AST_TEXT:
-		token.f_str = node->text.ptr;
-		token.f_len = ut_strlen((char*) token.f_str);
+		token.f_str = node->text.ptr->str;
+		token.f_len = node->text.ptr->len;
 
 		if (query->oper == FTS_EXIST) {
 			ut_ad(query->intersection == NULL);
@@ -2878,8 +2877,8 @@ fts_query_visitor(
 		break;
 
 	case FTS_AST_TERM:
-		token.f_str = node->term.ptr;
-		token.f_len = ut_strlen(reinterpret_cast<char*>(token.f_str));
+		token.f_str = node->term.ptr->str;
+		token.f_len = node->term.ptr->len;
 
 		/* Add the word to our RB tree that will be used to
 		calculate this terms per document frequency. */
@@ -3191,13 +3190,9 @@ fts_query_read_node(
 	to assign the frequency on search string behalf. */
 	if (query->cur_node->type == FTS_AST_TERM
 	    && query->cur_node->term.wildcard) {
-
-		/* These cast are safe since we only care about the
-		terminating NUL character as an end of string marker. */
-		term.f_len = ut_strlen(reinterpret_cast<char*>
-			(query->cur_node->term.ptr));
+		term.f_len = query->cur_node->term.ptr->len;
 		ut_ad(FTS_MAX_WORD_LEN >= term.f_len);
-		memcpy(term.f_str, query->cur_node->term.ptr, term.f_len);
+		memcpy(term.f_str, query->cur_node->term.ptr->str, term.f_len);
 	} else {
 		term.f_len = word->f_len;
 		ut_ad(FTS_MAX_WORD_LEN >= word->f_len);
@@ -3507,14 +3502,15 @@ fts_query_prepare_result(
 			doc_freq = rbt_value(fts_doc_freq_t, node);
 
 			/* Don't put deleted docs into result */
-			if (fts_bsearch(array, 0, static_cast<int>(size), doc_freq->doc_id)
-			    >= 0) {
+			if (fts_bsearch(array, 0, static_cast<int>(size),
+					doc_freq->doc_id) >= 0) {
+				/* one less matching doc count */
+				--word_freq->doc_count;
 				continue;
 			}
 
 			ranking.doc_id = doc_freq->doc_id;
-			ranking.rank = static_cast<fts_rank_t>(
-				doc_freq->freq * word_freq->idf * word_freq->idf);
+			ranking.rank = static_cast<fts_rank_t>(doc_freq->freq);
 			ranking.words = NULL;
 
 			fts_query_add_ranking(query, result->rankings_by_id,
@@ -3527,6 +3523,25 @@ fts_query_prepare_result(
 			}
 		}
 
+		/* Calculate IDF only after we exclude the deleted items */
+		fts_query_calculate_idf(query);
+
+		node = rbt_first(query->word_freqs);
+		word_freq = rbt_value(fts_word_freq_t, node);
+
+		/* Calculate the ranking for each doc */
+		for (node = rbt_first(result->rankings_by_id);
+		     node != NULL;
+		     node = rbt_next(result->rankings_by_id, node)) {
+
+			fts_ranking_t*  ranking;
+
+			ranking = rbt_value(fts_ranking_t, node);
+
+			ranking->rank = static_cast<fts_rank_t>(
+				ranking->rank * word_freq->idf * word_freq->idf);
+		}
+
 		return(result);
 	}
 
@@ -3898,6 +3913,7 @@ fts_query(
 	/* Get the deleted doc ids that are in the cache. */
 	fts_cache_append_deleted_doc_ids(
 		index->table->fts->cache, query.deleted->doc_ids);
+	DEBUG_SYNC_C("fts_deleted_doc_ids_append");
 
 	/* Sort the vector so that we can do a binary search over the ids. */
 	ib_vector_sort(query.deleted->doc_ids, fts_update_doc_id_cmp);
@@ -3954,7 +3970,8 @@ fts_query(
 		}
 
 		/* Calculate the inverse document frequency of the terms. */
-		if (query.error == DB_SUCCESS) {
+		if (query.error == DB_SUCCESS
+		    && query.flags != FTS_OPT_RANKING) {
 			fts_query_calculate_idf(&query);
 		}
 
diff --git a/storage/xtradb/fts/fts0tlex.cc b/storage/xtradb/fts/fts0tlex.cc
index ef17ab1acf2..b744fbf0763 100644
--- a/storage/xtradb/fts/fts0tlex.cc
+++ b/storage/xtradb/fts/fts0tlex.cc
@@ -447,7 +447,7 @@ static yyconst flex_int16_t yy_chk[29] =
 #line 1 "fts0tlex.l"
 /*****************************************************************************
 
-Copyright (c) 2007, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -802,7 +802,7 @@ case 3:
 YY_RULE_SETUP
 #line 54 "fts0tlex.l"
 {
-	val->token = strdup(fts0tget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0tget_text(yyscanner)), fts0tget_leng(yyscanner));
 
 	return(FTS_TEXT);
 }
@@ -811,7 +811,7 @@ case 4:
 YY_RULE_SETUP
 #line 60 "fts0tlex.l"
 {
-	val->token = strdup(fts0tget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0tget_text(yyscanner)), fts0tget_leng(yyscanner));
 
 	return(FTS_TERM);
 }
diff --git a/storage/xtradb/fts/fts0tlex.l b/storage/xtradb/fts/fts0tlex.l
index a18c2a55081..4f55a83afe5 100644
--- a/storage/xtradb/fts/fts0tlex.l
+++ b/storage/xtradb/fts/fts0tlex.l
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -52,13 +52,13 @@ this program; if not, write to the Free Software Foundation, Inc.,
 }
 
 \"[^\"\n]*\"	{
-	val->token = strdup(fts0tget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0tget_text(yyscanner)), fts0tget_leng(yyscanner));
 
 	return(FTS_TEXT);
 }
 
 [^" \n\%]*	{
-	val->token = strdup(fts0tget_text(yyscanner));
+	val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0tget_text(yyscanner)), fts0tget_leng(yyscanner));
 
 	return(FTS_TERM);
 }
diff --git a/storage/xtradb/handler/ha_innodb.cc b/storage/xtradb/handler/ha_innodb.cc
index c21b188d3e4..020d94f0f60 100644
--- a/storage/xtradb/handler/ha_innodb.cc
+++ b/storage/xtradb/handler/ha_innodb.cc
@@ -4025,7 +4025,7 @@ innobase_commit_ordered_2(
 {
 	DBUG_ENTER("innobase_commit_ordered_2");
 
-	/* We need current binlog position for ibbackup to work. */
+	/* We need current binlog position for mysqlbackup to work. */
 retry:
 	if (innobase_commit_concurrency > 0) {
 		mysql_mutex_lock(&commit_cond_m);
@@ -4713,7 +4713,7 @@ innobase_savepoint(
 	error = trx_savepoint_for_mysql(trx, name, (ib_int64_t)0);
 
 	if (error == DB_SUCCESS && trx->fts_trx != NULL) {
-		fts_savepoint_take(trx, name);
+		fts_savepoint_take(trx, trx->fts_trx, name);
 	}
 
 	DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL));
@@ -11670,16 +11670,6 @@ ha_innobase::get_memory_buffer_size() const
 	return(innobase_buffer_pool_size);
 }
 
-UNIV_INTERN
-bool
-ha_innobase::is_corrupt() const
-{
-	if (share->ib_table)
-		return ((bool)share->ib_table->is_corrupt);
-	else
-		return (FALSE);
-}
-
 /*********************************************************************//**
 Calculates the key number used inside MySQL for an Innobase index. We will
 first check the "index translation table" for a match of the index to get
@@ -12858,9 +12848,13 @@ ha_innobase::get_foreign_key_list(
 
 	mutex_enter(&(dict_sys->mutex));
 
-	for (foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::iterator it
+		= prebuilt->table->foreign_set.begin();
+	     it != prebuilt->table->foreign_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		pf_key_info = get_foreign_key_info(thd, foreign);
 		if (pf_key_info) {
 			f_key_list->push_back(pf_key_info);
@@ -12896,9 +12890,13 @@ ha_innobase::get_parent_foreign_key_list(
 
 	mutex_enter(&(dict_sys->mutex));
 
-	for (foreign = UT_LIST_GET_FIRST(prebuilt->table->referenced_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it
+		= prebuilt->table->referenced_set.begin();
+	     it != prebuilt->table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		pf_key_info = get_foreign_key_info(thd, foreign);
 		if (pf_key_info) {
 			f_key_list->push_back(pf_key_info);
@@ -12931,8 +12929,8 @@ ha_innobase::can_switch_engines(void)
 			"determining if there are foreign key constraints";
 	row_mysql_freeze_data_dictionary(prebuilt->trx);
 
-	can_switch = !UT_LIST_GET_FIRST(prebuilt->table->referenced_list)
-			&& !UT_LIST_GET_FIRST(prebuilt->table->foreign_list);
+	can_switch = prebuilt->table->referenced_set.empty()
+		&& prebuilt->table->foreign_set.empty();
 
 	row_mysql_unfreeze_data_dictionary(prebuilt->trx);
 	prebuilt->trx->op_info = "";
@@ -14750,7 +14748,7 @@ innobase_xa_prepare(
 		|| !thd_test_options(
 			thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) {
 
-		/* For ibbackup to work the order of transactions in binlog
+		/* For mysqlbackup to work the order of transactions in binlog
 		and InnoDB must be the same. Consider the situation
 
 		  thread1> prepare; write to binlog; ...
diff --git a/storage/xtradb/handler/ha_innodb.h b/storage/xtradb/handler/ha_innodb.h
index 773a9b6b04d..dab9c5be53d 100644
--- a/storage/xtradb/handler/ha_innodb.h
+++ b/storage/xtradb/handler/ha_innodb.h
@@ -129,7 +129,6 @@ class ha_innobase: public handler
 	double read_time(uint index, uint ranges, ha_rows rows);
 	longlong get_memory_buffer_size() const;
 	my_bool is_fake_change_enabled(THD *thd);
-	bool is_corrupt() const;
 
 	int write_row(uchar * buf);
 	int update_row(const uchar * old_data, uchar * new_data);
diff --git a/storage/xtradb/handler/handler0alter.cc b/storage/xtradb/handler/handler0alter.cc
index 090bc22b93e..f98b8671862 100644
--- a/storage/xtradb/handler/handler0alter.cc
+++ b/storage/xtradb/handler/handler0alter.cc
@@ -591,15 +591,9 @@ innobase_init_foreign(
 		/* Check if any existing foreign key has the same id,
 		this is needed only if user supplies the constraint name */
 
-		for (const dict_foreign_t* existing_foreign
-			= UT_LIST_GET_FIRST(table->foreign_list);
-		     existing_foreign != 0;
-		     existing_foreign = UT_LIST_GET_NEXT(
-			     foreign_list, existing_foreign)) {
-
-			if (ut_strcmp(existing_foreign->id, foreign->id) == 0) {
-				return(false);
-			}
+		if (table->foreign_set.find(foreign)
+		    != table->foreign_set.end()) {
+			return(false);
 		}
         }
 
@@ -2237,14 +2231,18 @@ innobase_check_foreigns_low(
 	const char*		col_name,
 	bool			drop)
 {
+	dict_foreign_t*	foreign;
 	ut_ad(mutex_own(&dict_sys->mutex));
 
 	/* Check if any FOREIGN KEY constraints are defined on this
 	column. */
-	for (const dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-		     user_table->foreign_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+
+	for (dict_foreign_set::iterator it = user_table->foreign_set.begin();
+	     it != user_table->foreign_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		if (!drop && !(foreign->type
 			       & (DICT_FOREIGN_ON_DELETE_SET_NULL
 				  | DICT_FOREIGN_ON_UPDATE_SET_NULL))) {
@@ -2276,10 +2274,13 @@ innobase_check_foreigns_low(
 
 	/* Check if any FOREIGN KEY constraints in other tables are
 	referring to the column that is being dropped. */
-	for (const dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-		     user_table->referenced_list);
-	     foreign;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it
+		= user_table->referenced_set.begin();
+	     it != user_table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		if (innobase_dropping_foreign(foreign, drop_fk, n_drop_fk)) {
 			continue;
 		}
@@ -3614,11 +3615,12 @@ check_if_ok_to_rename:
 				continue;
 			}
 
-			for (dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-				     prebuilt->table->foreign_list);
-			     foreign != NULL;
-			     foreign = UT_LIST_GET_NEXT(
-				     foreign_list, foreign)) {
+			for (dict_foreign_set::iterator it
+				= prebuilt->table->foreign_set.begin();
+			     it != prebuilt->table->foreign_set.end();
+			     ++it) {
+
+				dict_foreign_t*	foreign = *it;
 				const char* fid = strchr(foreign->id, '/');
 
 				DBUG_ASSERT(fid);
@@ -4459,10 +4461,12 @@ err_exit:
 rename_foreign:
 	trx->op_info = "renaming column in SYS_FOREIGN_COLS";
 
-	for (const dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-		     user_table->foreign_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) {
+	for (dict_foreign_set::iterator it = user_table->foreign_set.begin();
+	     it != user_table->foreign_set.end();
+	     ++it) {
+
+		dict_foreign_t*	foreign = *it;
+
 		for (unsigned i = 0; i < foreign->n_fields; i++) {
 			if (strcmp(foreign->foreign_col_names[i], from)) {
 				continue;
@@ -4492,10 +4496,12 @@ rename_foreign:
 		}
 	}
 
-	for (const dict_foreign_t* foreign = UT_LIST_GET_FIRST(
-		     user_table->referenced_list);
-	     foreign != NULL;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
+	for (dict_foreign_set::iterator it
+		= user_table->referenced_set.begin();
+	     it != user_table->referenced_set.end();
+	     ++it) {
+
+		dict_foreign_t*	foreign = *it;
 		for (unsigned i = 0; i < foreign->n_fields; i++) {
 			if (strcmp(foreign->referenced_col_names[i], from)) {
 				continue;
@@ -4819,8 +4825,8 @@ innobase_update_foreign_cache(
 		column names. No need to pass col_names or to drop
 		constraints from the data dictionary cache. */
 		DBUG_ASSERT(!ctx->col_names);
-		DBUG_ASSERT(UT_LIST_GET_LEN(user_table->foreign_list) == 0);
-		DBUG_ASSERT(UT_LIST_GET_LEN(user_table->referenced_list) == 0);
+		DBUG_ASSERT(user_table->foreign_set.empty());
+		DBUG_ASSERT(user_table->referenced_set.empty());
 		user_table = ctx->new_table;
 	} else {
 		/* Drop the foreign key constraints if the
diff --git a/storage/xtradb/handler/i_s.cc b/storage/xtradb/handler/i_s.cc
index 4a66065788f..69a75f5a4fe 100644
--- a/storage/xtradb/handler/i_s.cc
+++ b/storage/xtradb/handler/i_s.cc
@@ -8287,6 +8287,15 @@ i_s_innodb_changed_pages_fill(
 		limit_lsn_range_from_condition(table, cond, &min_lsn,
 					       &max_lsn);
 	}
+	
+	/* If the log tracker is running and our max_lsn > current tracked LSN,
+	cap the max lsn so that we don't try to read any partial runs as the
+	tracked LSN advances. */
+	if (srv_track_changed_pages) {
+		ib_uint64_t		tracked_lsn = log_get_tracked_lsn();
+		if (max_lsn > tracked_lsn)
+			max_lsn = tracked_lsn;
+	}
 
 	if (!log_online_bitmap_iterator_init(&i, min_lsn, max_lsn)) {
 		my_error(ER_CANT_FIND_SYSTEM_REC, MYF(0));
diff --git a/storage/xtradb/include/buf0buf.h b/storage/xtradb/include/buf0buf.h
index 39b06b69924..904822a7ce6 100644
--- a/storage/xtradb/include/buf0buf.h
+++ b/storage/xtradb/include/buf0buf.h
@@ -436,7 +436,7 @@ buf_page_create(
 	mtr_t*	mtr);	/*!< in: mini-transaction handle */
 #else /* !UNIV_HOTBACKUP */
 /********************************************************************//**
-Inits a page to the buffer buf_pool, for use in ibbackup --restore. */
+Inits a page to the buffer buf_pool, for use in mysqlbackup --restore. */
 UNIV_INTERN
 void
 buf_page_init_for_backup_restore(
diff --git a/storage/xtradb/include/buf0buf.ic b/storage/xtradb/include/buf0buf.ic
index b0d8e03ecb9..10f0e02cb8f 100644
--- a/storage/xtradb/include/buf0buf.ic
+++ b/storage/xtradb/include/buf0buf.ic
@@ -1181,12 +1181,6 @@ buf_page_hash_get_low(
 		ut_a(buf_page_in_file(bpage));
 		ut_ad(bpage->in_page_hash);
 		ut_ad(!bpage->in_zip_hash);
-#if UNIV_WORD_SIZE == 4
-		/* On 32-bit systems, there is no padding in
-		buf_page_t.  On other systems, Valgrind could complain
-		about uninitialized pad bytes. */
-		UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage);
-#endif
 	}
 
 	return(bpage);
diff --git a/storage/xtradb/include/dict0crea.h b/storage/xtradb/include/dict0crea.h
index 6ec1079957b..67eab9058da 100644
--- a/storage/xtradb/include/dict0crea.h
+++ b/storage/xtradb/include/dict0crea.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -124,28 +124,24 @@ dict_create_add_foreign_id(
 	const char*	name,	/*!< in: table name */
 	dict_foreign_t*	foreign)/*!< in/out: foreign key */
 	__attribute__((nonnull));
-/********************************************************************//**
-Adds foreign key definitions to data dictionary tables in the database. We
-look at table->foreign_list, and also generate names to constraints that were
-not named by the user. A generated constraint has a name of the format
-databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are
-given locally for this table, that is, the number is not global, as in the
-old format constraints < 4.0.18 it used to be.
-@return	error code or DB_SUCCESS */
+
+/** Adds the given set of foreign key objects to the dictionary tables
+in the database. This function does not modify the dictionary cache. The
+caller must ensure that all foreign key objects contain a valid constraint
+name in foreign->id.
+@param[in]	local_fk_set	set of foreign key objects, to be added to
+the dictionary tables
+@param[in]	table		table to which the foreign key objects in
+local_fk_set belong to
+@param[in,out]	trx		transaction
+@return error code or DB_SUCCESS */
 UNIV_INTERN
 dberr_t
 dict_create_add_foreigns_to_dictionary(
 /*===================================*/
-	ulint		start_id,/*!< in: if we are actually doing ALTER TABLE
-				ADD CONSTRAINT, we want to generate constraint
-				numbers which are bigger than in the table so
-				far; we number the constraints from
-				start_id + 1 up; start_id should be set to 0 if
-				we are creating a new table, or if the table
-				so far has no constraints for which the name
-				was generated here */
-	dict_table_t*	table,	/*!< in: table */
-	trx_t*		trx)	/*!< in: transaction */
+	const dict_foreign_set&	local_fk_set,
+	const dict_table_t*	table,
+	trx_t*			trx)
 	__attribute__((nonnull, warn_unused_result));
 /****************************************************************//**
 Creates the tablespaces and datafiles system tables inside InnoDB
diff --git a/storage/xtradb/include/dict0mem.h b/storage/xtradb/include/dict0mem.h
index 97a19966747..9652d4d335f 100644
--- a/storage/xtradb/include/dict0mem.h
+++ b/storage/xtradb/include/dict0mem.h
@@ -50,6 +50,8 @@ Created 1/8/1996 Heikki Tuuri
 #include "trx0types.h"
 #include "fts0fts.h"
 #include "os0once.h"
+#include <set>
+#include <algorithm>
 
 /* Forward declaration. */
 struct ib_rbt_t;
@@ -720,12 +722,106 @@ struct dict_foreign_t{
 					does not generate new indexes
 					implicitly */
 	dict_index_t*	referenced_index;/*!< referenced index */
-	UT_LIST_NODE_T(dict_foreign_t)
-			foreign_list;	/*!< list node for foreign keys of the
-					table */
-	UT_LIST_NODE_T(dict_foreign_t)
-			referenced_list;/*!< list node for referenced
-					keys of the table */
+};
+
+/** Compare two dict_foreign_t objects using their ids. Used in the ordering
+of dict_table_t::foreign_set and dict_table_t::referenced_set.  It returns
+true if the first argument is considered to go before the second in the
+strict weak ordering it defines, and false otherwise. */
+struct dict_foreign_compare {
+
+	bool operator()(
+		const dict_foreign_t*	lhs,
+		const dict_foreign_t*	rhs) const
+	{
+		return(ut_strcmp(lhs->id, rhs->id) < 0);
+	}
+};
+
+/** A function object to find a foreign key with the given index as the
+referenced index. Return the foreign key with matching criteria or NULL */
+struct dict_foreign_with_index {
+
+	dict_foreign_with_index(const dict_index_t*	index)
+	: m_index(index)
+	{}
+
+	bool operator()(const dict_foreign_t*	foreign) const
+	{
+		return(foreign->referenced_index == m_index);
+	}
+
+	const dict_index_t*	m_index;
+};
+
+/* A function object to check if the foreign constraint is between different
+tables.  Returns true if foreign key constraint is between different tables,
+false otherwise. */
+struct dict_foreign_different_tables {
+
+	bool operator()(const dict_foreign_t*	foreign) const
+	{
+		return(foreign->foreign_table != foreign->referenced_table);
+	}
+};
+
+/** A function object to check if the foreign key constraint has the same
+name as given.  If the full name of the foreign key constraint doesn't match,
+then, check if removing the database name from the foreign key constraint
+matches. Return true if it matches, false otherwise. */
+struct dict_foreign_matches_id {
+
+	dict_foreign_matches_id(const char* id)
+		: m_id(id)
+	{}
+
+	bool operator()(const dict_foreign_t*	foreign) const
+	{
+		if (0 == innobase_strcasecmp(foreign->id, m_id)) {
+			return(true);
+		}
+		if (const char* pos = strchr(foreign->id, '/')) {
+			if (0 == innobase_strcasecmp(m_id, pos + 1)) {
+				return(true);
+			}
+		}
+		return(false);
+	}
+
+	const char*	m_id;
+};
+
+typedef std::set<dict_foreign_t*, dict_foreign_compare> dict_foreign_set;
+
+/*********************************************************************//**
+Frees a foreign key struct. */
+inline
+void
+dict_foreign_free(
+/*==============*/
+	dict_foreign_t*	foreign)	/*!< in, own: foreign key struct */
+{
+	mem_heap_free(foreign->heap);
+}
+
+/** The destructor will free all the foreign key constraints in the set
+by calling dict_foreign_free() on each of the foreign key constraints.
+This is used to free the allocated memory when a local set goes out
+of scope. */
+struct dict_foreign_set_free {
+
+	dict_foreign_set_free(const dict_foreign_set&	foreign_set)
+		: m_foreign_set(foreign_set)
+	{}
+
+	~dict_foreign_set_free()
+	{
+		std::for_each(m_foreign_set.begin(),
+			      m_foreign_set.end(),
+			      dict_foreign_free);
+	}
+
+	const dict_foreign_set&	m_foreign_set;
 };
 
 /** The flags for ON_UPDATE and ON_DELETE can be ORed; the default is that
@@ -747,6 +843,8 @@ the table, DML from memcached will be blocked. */
 /** Data structure for a database table.  Most fields will be
 initialized to 0, NULL or FALSE in dict_mem_table_create(). */
 struct dict_table_t{
+
+
 	table_id_t	id;	/*!< id of the table */
 	mem_heap_t*	heap;	/*!< memory heap */
 	char*		name;	/*!< table name */
@@ -801,13 +899,16 @@ struct dict_table_t{
 	hash_node_t	id_hash; /*!< hash chain node */
 	UT_LIST_BASE_NODE_T(dict_index_t)
 			indexes; /*!< list of indexes of the table */
-	UT_LIST_BASE_NODE_T(dict_foreign_t)
-			foreign_list;/*!< list of foreign key constraints
+
+	dict_foreign_set	foreign_set;
+				/*!< set of foreign key constraints
 				in the table; these refer to columns
 				in other tables */
-	UT_LIST_BASE_NODE_T(dict_foreign_t)
-			referenced_list;/*!< list of foreign key constraints
+
+	dict_foreign_set	referenced_set;
+				/*!< list of foreign key constraints
 				which refer to this table */
+
 	UT_LIST_NODE_T(dict_table_t)
 			table_LRU; /*!< node of the LRU list of tables */
 	unsigned	fk_max_recusive_level:8;
@@ -1053,6 +1154,19 @@ struct dict_table_t{
 #endif /* UNIV_DEBUG */
 };
 
+/** A function object to add the foreign key constraint to the referenced set
+of the referenced table, if it exists in the dictionary cache. */
+struct dict_foreign_add_to_referenced_table {
+	void operator()(dict_foreign_t*	foreign) const
+	{
+		if (dict_table_t* table = foreign->referenced_table) {
+			std::pair<dict_foreign_set::iterator, bool>	ret
+				= table->referenced_set.insert(foreign);
+			ut_a(ret.second);
+		}
+	}
+};
+
 #ifndef UNIV_NONINL
 #include "dict0mem.ic"
 #endif
diff --git a/storage/xtradb/include/fil0fil.h b/storage/xtradb/include/fil0fil.h
index f32dc1f699f..f7ff367484e 100644
--- a/storage/xtradb/include/fil0fil.h
+++ b/storage/xtradb/include/fil0fil.h
@@ -49,7 +49,7 @@ struct fil_space_t;
 typedef std::list<const char*> space_name_list_t;
 
 /** When mysqld is run, the default directory "." is the mysqld datadir,
-but in the MySQL Embedded Server Library and ibbackup it is not the default
+but in the MySQL Embedded Server Library and mysqlbackup it is not the default
 directory, and we must set the base file path explicitly */
 extern const char*	fil_path_to_mysql_datadir;
 
@@ -426,8 +426,8 @@ exists and the space id in it matches. Replays the create operation if a file
 at that path does not exist yet. If the database directory for the file to be
 created does not exist, then we create the directory, too.
 
-Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the
-datadir that we should use in replaying the file operations.
+Note that mysqlbackup --apply-log sets fil_path_to_mysql_datadir to point to
+the datadir that we should use in replaying the file operations.
 @return end of log record, or NULL if the record was not completely
 contained between ptr and end_ptr */
 UNIV_INTERN
@@ -680,9 +680,9 @@ fil_space_for_table_exists_in_mem(
 #else /* !UNIV_HOTBACKUP */
 /********************************************************************//**
 Extends all tablespaces to the size stored in the space header. During the
-ibbackup --apply-log phase we extended the spaces on-demand so that log records
-could be appllied, but that may have left spaces still too small compared to
-the size stored in the space header. */
+mysqlbackup --apply-log phase we extended the spaces on-demand so that log
+records could be appllied, but that may have left spaces still too small
+compared to the size stored in the space header. */
 UNIV_INTERN
 void
 fil_extend_tablespaces_to_stored_len(void);
diff --git a/storage/xtradb/include/fts0ast.h b/storage/xtradb/include/fts0ast.h
index c0aac6d8e4c..50ee587e282 100644
--- a/storage/xtradb/include/fts0ast.h
+++ b/storage/xtradb/include/fts0ast.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2007, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -76,6 +76,7 @@ enum fts_ast_oper_t {
 struct fts_lexer_t;
 struct fts_ast_node_t;
 struct fts_ast_state_t;
+struct fts_ast_string_t;
 
 typedef dberr_t (*fts_ast_callback)(fts_ast_oper_t, fts_ast_node_t*, void*);
 
@@ -101,16 +102,16 @@ extern
 fts_ast_node_t*
 fts_ast_create_node_term(
 /*=====================*/
-	void*		arg,			/*!< in: ast state */
-	const char*	ptr);			/*!< in: term string */
+	void*			arg,		/*!< in: ast state */
+	const fts_ast_string_t*	ptr);		/*!< in: term string */
 /********************************************************************
 Create an AST text node */
 extern
 fts_ast_node_t*
 fts_ast_create_node_text(
 /*=====================*/
-	void*		arg,			/*!< in: ast state */
-	const char*	ptr);			/*!< in: text string */
+	void*			arg,		/*!< in: ast state */
+	const fts_ast_string_t*	ptr);		/*!< in: text string */
 /********************************************************************
 Create an AST expr list node */
 extern
@@ -233,16 +234,66 @@ fts_lexer_free(
 						free */
 	__attribute__((nonnull));
 
+/**
+Create an ast string object, with NUL-terminator, so the string
+has one more byte than len
+@param[in] str		pointer to string
+@param[in] len		length of the string
+@return ast string with NUL-terminator */
+UNIV_INTERN
+fts_ast_string_t*
+fts_ast_string_create(
+	const byte*	str,
+	ulint		len);
+
+/**
+Free an ast string instance
+@param[in,out] ast_str		string to free */
+UNIV_INTERN
+void
+fts_ast_string_free(
+	fts_ast_string_t*	ast_str);
+
+/**
+Translate ast string of type FTS_AST_NUMB to unsigned long by strtoul
+@param[in] str		string to translate
+@param[in] base		the base
+@return translated number */
+UNIV_INTERN
+ulint
+fts_ast_string_to_ul(
+	const fts_ast_string_t*	ast_str,
+	int			base);
+
+/**
+Print the ast string
+@param[in] str		string to print */
+UNIV_INTERN
+void
+fts_ast_string_print(
+	const fts_ast_string_t*	ast_str);
+
+/* String of length len.
+We always store the string of length len with a terminating '\0',
+regardless of there is any 0x00 in the string itself */
+struct fts_ast_string_t {
+	/*!< Pointer to string. */
+	byte*		str;
+
+	/*!< Length of the string. */
+	ulint		len;
+};
+
 /* Query term type */
 struct fts_ast_term_t {
-	byte*		ptr;			/*!< Pointer to term string.*/
-	ibool		wildcard;		/*!< TRUE if wild card set.*/
+	fts_ast_string_t*	ptr;		/*!< Pointer to term string.*/
+	ibool			wildcard;	/*!< TRUE if wild card set.*/
 };
 
 /* Query text type */
 struct fts_ast_text_t {
-	byte*		ptr;			/*!< Pointer to term string.*/
-	ulint		distance;		/*!< > 0 if proximity distance
+	fts_ast_string_t*	ptr;		/*!< Pointer to text string.*/
+	ulint			distance;	/*!< > 0 if proximity distance
 						set */
 };
 
diff --git a/storage/xtradb/include/fts0fts.h b/storage/xtradb/include/fts0fts.h
index 5bea5bc0e97..a2996ecacc8 100644
--- a/storage/xtradb/include/fts0fts.h
+++ b/storage/xtradb/include/fts0fts.h
@@ -745,6 +745,7 @@ void
 fts_savepoint_take(
 /*===============*/
 	trx_t*		trx,			/*!< in: transaction */
+	fts_trx_t*	fts_trx,		/*!< in: fts transaction */
 	const char*	name)			/*!< in: savepoint name */
 	__attribute__((nonnull));
 /**********************************************************************//**
diff --git a/storage/xtradb/include/fts0pars.h b/storage/xtradb/include/fts0pars.h
index 50f636944e5..8108e811599 100644
--- a/storage/xtradb/include/fts0pars.h
+++ b/storage/xtradb/include/fts0pars.h
@@ -53,9 +53,9 @@ typedef union YYSTYPE
 /* Line 2068 of yacc.c  */
 #line 61 "fts0pars.y"
 
-	int		oper;
-	char*		token;
-	fts_ast_node_t*	node;
+	int			oper;
+	fts_ast_string_t*	token;
+	fts_ast_node_t*		node;
 
 
 
diff --git a/storage/xtradb/include/log0log.h b/storage/xtradb/include/log0log.h
index 641d5b5e663..cd65fcac50b 100644
--- a/storage/xtradb/include/log0log.h
+++ b/storage/xtradb/include/log0log.h
@@ -622,6 +622,18 @@ void
 log_mem_free(void);
 /*==============*/
 
+/****************************************************************//**
+Safely reads the log_sys->tracked_lsn value.  Uses atomic operations
+if available, otherwise this field is protected with the log system
+mutex.  The writer counterpart function is log_set_tracked_lsn() in
+log0online.c.
+
+@return log_sys->tracked_lsn value. */
+UNIV_INLINE
+lsn_t
+log_get_tracked_lsn(void);
+/*=====================*/
+
 extern log_t*	log_sys;
 
 /* Values used as flags */
@@ -703,13 +715,13 @@ extern log_t*	log_sys;
 					megabyte.
 
 					This information might have been used
-					since ibbackup version 0.35 but
+					since mysqlbackup version 0.35 but
 					before 1.41 to decide if unused ends of
 					non-auto-extending data files
 					in space 0 can be truncated.
 
 					This information was made obsolete
-					by ibbackup --compress. */
+					by mysqlbackup --compress. */
 #define LOG_CHECKPOINT_FSP_MAGIC_N	(12 + LOG_CHECKPOINT_ARRAY_END)
 					/*!< Not used (0);
 					This magic number tells if the
@@ -738,7 +750,7 @@ extern log_t*	log_sys;
 					/* a 32-byte field which contains
 					the string 'ibbackup' and the
 					creation time if the log file was
-					created by ibbackup --restore;
+					created by mysqlbackup --restore;
 					when mysqld is first time started
 					on the restored database, it can
 					print helpful info for the user */
diff --git a/storage/xtradb/include/log0log.ic b/storage/xtradb/include/log0log.ic
index 7f2ea04ac07..bc076c954ad 100644
--- a/storage/xtradb/include/log0log.ic
+++ b/storage/xtradb/include/log0log.ic
@@ -551,3 +551,24 @@ log_free_check(void)
 	}
 }
 #endif /* !UNIV_HOTBACKUP */
+
+/****************************************************************//**
+Safely reads the log_sys->tracked_lsn value.  Uses atomic operations
+if available, otherwise this field is protected with the log system
+mutex.  The writer counterpart function is log_set_tracked_lsn() in
+log0online.c.
+
+@return log_sys->tracked_lsn value. */
+UNIV_INLINE
+lsn_t
+log_get_tracked_lsn(void)
+/*=====================*/
+{
+#ifdef HAVE_ATOMIC_BUILTINS_64
+	return os_atomic_increment_uint64(&log_sys->tracked_lsn, 0);
+#else
+	ut_ad(mutex_own(&(log_sys->mutex)));
+	return log_sys->tracked_lsn;
+#endif
+}
+
diff --git a/storage/xtradb/include/os0file.h b/storage/xtradb/include/os0file.h
index 1ab71d80829..0c9f634266a 100644
--- a/storage/xtradb/include/os0file.h
+++ b/storage/xtradb/include/os0file.h
@@ -131,7 +131,7 @@ enum os_file_create_t {
 
 #define OS_FILE_READ_ONLY		333
 #define	OS_FILE_READ_WRITE		444
-#define	OS_FILE_READ_ALLOW_DELETE	555	/* for ibbackup */
+#define	OS_FILE_READ_ALLOW_DELETE	555	/* for mysqlbackup */
 
 /* Options for file_create */
 #define	OS_FILE_AIO			61
diff --git a/storage/xtradb/include/os0sync.h b/storage/xtradb/include/os0sync.h
index ed805db7393..c11beae39b4 100644
--- a/storage/xtradb/include/os0sync.h
+++ b/storage/xtradb/include/os0sync.h
@@ -357,6 +357,10 @@ Atomic compare-and-swap and increment for InnoDB. */
 
 # define HAVE_ATOMIC_BUILTINS
 
+# ifdef HAVE_IB_GCC_ATOMIC_BUILTINS_BYTE
+#  define HAVE_ATOMIC_BUILTINS_BYTE
+# endif
+
 # ifdef HAVE_IB_GCC_ATOMIC_BUILTINS_64
 #  define HAVE_ATOMIC_BUILTINS_64
 # endif
@@ -440,6 +444,7 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */
 #elif defined(HAVE_IB_SOLARIS_ATOMICS)
 
 # define HAVE_ATOMIC_BUILTINS
+# define HAVE_ATOMIC_BUILTINS_BYTE
 # define HAVE_ATOMIC_BUILTINS_64
 
 /* If not compiling with GCC or GCC doesn't support the atomic
@@ -524,6 +529,7 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */
 #elif defined(HAVE_WINDOWS_ATOMICS)
 
 # define HAVE_ATOMIC_BUILTINS
+# define HAVE_ATOMIC_BUILTINS_BYTE
 
 # ifndef _WIN32
 #  define HAVE_ATOMIC_BUILTINS_64
@@ -695,7 +701,15 @@ for synchronization */
 	} while (0);
 
 /** barrier definitions for memory ordering */
-#ifdef HAVE_IB_GCC_ATOMIC_THREAD_FENCE
+#if defined __i386__ || defined __x86_64__ || defined _M_IX86 || defined _M_X64 || defined __WIN__
+/* Performance regression was observed at some conditions for Intel
+architecture. Disable memory barrier for Intel architecture for now. */
+# define os_rmb do { } while(0)
+# define os_wmb do { } while(0)
+# define os_isync do { } while(0)
+# define IB_MEMORY_BARRIER_STARTUP_MSG \
+	"Memory barrier is not used"
+#elif defined(HAVE_IB_GCC_ATOMIC_THREAD_FENCE)
 # define HAVE_MEMORY_BARRIER
 # define os_rmb	__atomic_thread_fence(__ATOMIC_ACQUIRE)
 # define os_wmb	__atomic_thread_fence(__ATOMIC_RELEASE)
@@ -723,7 +737,7 @@ for synchronization */
 # define os_wmb	__machine_w_barrier()
 # define os_isync os_rmb; os_wmb
 # define IB_MEMORY_BARRIER_STARTUP_MSG \
-	"Soralis memory ordering functions are used for memory barrier"
+	"Solaris memory ordering functions are used for memory barrier"
 
 #elif defined(HAVE_WINDOWS_MM_FENCE)
 # define HAVE_MEMORY_BARRIER
diff --git a/storage/xtradb/include/sync0rw.ic b/storage/xtradb/include/sync0rw.ic
index 4051cb72e7c..8aadc406132 100644
--- a/storage/xtradb/include/sync0rw.ic
+++ b/storage/xtradb/include/sync0rw.ic
@@ -112,6 +112,7 @@ rw_lock_set_waiter_flag(
 	(void) os_compare_and_swap_ulint(&lock->waiters, 0, 1);
 #else /* INNODB_RW_LOCKS_USE_ATOMICS */
 	lock->waiters = 1;
+	os_wmb;
 #endif /* INNODB_RW_LOCKS_USE_ATOMICS */
 }
 
@@ -129,6 +130,7 @@ rw_lock_reset_waiter_flag(
 	(void) os_compare_and_swap_ulint(&lock->waiters, 1, 0);
 #else /* INNODB_RW_LOCKS_USE_ATOMICS */
 	lock->waiters = 0;
+	os_wmb;
 #endif /* INNODB_RW_LOCKS_USE_ATOMICS */
 }
 
@@ -257,13 +259,16 @@ rw_lock_lock_word_decr(
 {
 #ifdef INNODB_RW_LOCKS_USE_ATOMICS
 	lint local_lock_word;
-        os_rmb;
-	while ((local_lock_word= lock->lock_word) > 0) {
+
+	os_rmb;
+	local_lock_word = lock->lock_word;
+	while (local_lock_word > 0) {
 		if (os_compare_and_swap_lint(&lock->lock_word,
 					     local_lock_word,
 					     local_lock_word - amount)) {
 			return(TRUE);
 		}
+		local_lock_word = lock->lock_word;
 	}
 	return(FALSE);
 #else /* INNODB_RW_LOCKS_USE_ATOMICS */
@@ -620,10 +625,6 @@ rw_lock_s_unlock_func(
 
 		/* A waiting next-writer exists, either high priority or
 		regular, sharing the same wait event.  */
-		if (lock->high_priority_wait_ex_waiter) {
-
-			lock->high_priority_wait_ex_waiter = 0;
-		}
 		os_event_set(lock->base_lock.wait_ex_event);
 		sync_array_object_signalled();
 
diff --git a/storage/xtradb/include/sync0sync.h b/storage/xtradb/include/sync0sync.h
index 788f765f919..8c5dde4c142 100644
--- a/storage/xtradb/include/sync0sync.h
+++ b/storage/xtradb/include/sync0sync.h
@@ -50,6 +50,8 @@ extern "C" my_bool	timed_mutexes;
 #ifdef _WIN32
 typedef LONG lock_word_t;	/*!< On Windows, InterlockedExchange operates
 				on LONG variable */
+#elif defined(HAVE_ATOMIC_BUILTINS) && !defined(HAVE_ATOMIC_BUILTINS_BYTE)
+typedef ulint lock_word_t;
 #else
 typedef byte lock_word_t;
 #endif
diff --git a/storage/xtradb/include/sync0sync.ic b/storage/xtradb/include/sync0sync.ic
index 19dee950cca..6bd80ee7dea 100644
--- a/storage/xtradb/include/sync0sync.ic
+++ b/storage/xtradb/include/sync0sync.ic
@@ -83,7 +83,11 @@ ib_mutex_test_and_set(
 	ib_mutex_t*	mutex)	/*!< in: mutex */
 {
 #if defined(HAVE_ATOMIC_BUILTINS)
+# if defined(HAVE_ATOMIC_BUILTINS_BYTE)
 	return(os_atomic_test_and_set_byte(&mutex->lock_word, 1));
+# else
+	return(os_atomic_test_and_set_ulint(&mutex->lock_word, 1));
+# endif
 #else
 	ibool	ret;
 
@@ -95,7 +99,7 @@ ib_mutex_test_and_set(
 		ut_a(mutex->lock_word == 0);
 
 		mutex->lock_word = 1;
-                os_wmb;
+		os_wmb;
 	}
 
 	return((byte) ret);
diff --git a/storage/xtradb/include/univ.i b/storage/xtradb/include/univ.i
index a808e773db2..8511f87ef87 100644
--- a/storage/xtradb/include/univ.i
+++ b/storage/xtradb/include/univ.i
@@ -44,10 +44,10 @@ Created 1/20/1994 Heikki Tuuri
 
 #define INNODB_VERSION_MAJOR	5
 #define INNODB_VERSION_MINOR	6
-#define INNODB_VERSION_BUGFIX	19
+#define INNODB_VERSION_BUGFIX	20
 
 #ifndef PERCONA_INNODB_VERSION
-#define PERCONA_INNODB_VERSION 67.0
+#define PERCONA_INNODB_VERSION 68.0
 #endif
 
 /* Enable UNIV_LOG_ARCHIVE in XtraDB */
diff --git a/storage/xtradb/log/log0log.cc b/storage/xtradb/log/log0log.cc
index 58ef40e468c..a34a7c1d1f1 100644
--- a/storage/xtradb/log/log0log.cc
+++ b/storage/xtradb/log/log0log.cc
@@ -197,25 +197,6 @@ log_buf_pool_get_oldest_modification(void)
 }
 
 /****************************************************************//**
-Safely reads the log_sys->tracked_lsn value.  Uses atomic operations
-if available, otherwise this field is protected with the log system
-mutex.  The writer counterpart function is log_set_tracked_lsn() in
-log0online.c.
-
-@return log_sys->tracked_lsn value. */
-UNIV_INLINE
-lsn_t
-log_get_tracked_lsn()
-{
-#ifdef HAVE_ATOMIC_BUILTINS_64
-	return os_atomic_increment_uint64(&log_sys->tracked_lsn, 0);
-#else
-	ut_ad(mutex_own(&(log_sys->mutex)));
-	return log_sys->tracked_lsn;
-#endif
-}
-
-/****************************************************************//**
 Checks if the log groups have a big enough margin of free space in
 so that a new log entry can be written without overwriting log data
 that is not read by the changed page bitmap thread.
@@ -639,7 +620,7 @@ log_pad_current_log_block(void)
 	byte		b		= MLOG_DUMMY_RECORD;
 	ulint		pad_length;
 	ulint		i;
-	ib_uint64_t	lsn;
+	lsn_t		lsn;
 
 	/* We retrieve lsn only because otherwise gcc crashed on HP-UX */
 	lsn = log_reserve_and_open(OS_FILE_LOG_BLOCK_SIZE);
@@ -647,6 +628,12 @@ log_pad_current_log_block(void)
 	pad_length = OS_FILE_LOG_BLOCK_SIZE
 		- (log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE)
 		- LOG_BLOCK_TRL_SIZE;
+	if (pad_length
+	    == (OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE
+		- LOG_BLOCK_TRL_SIZE)) {
+
+		pad_length = 0;
+	}
 
 	for (i = 0; i < pad_length; i++) {
 		log_write_low(&b, 1);
@@ -1347,7 +1334,7 @@ log_group_file_header_flush(
 	mach_write_to_4(buf + LOG_GROUP_ID, group->id);
 	mach_write_to_8(buf + LOG_FILE_START_LSN, start_lsn);
 
-	/* Wipe over possible label of ibbackup --restore */
+	/* Wipe over possible label of mysqlbackup --restore */
 	memcpy(buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, "    ", 4);
 
 	mach_write_to_4(buf + LOG_FILE_OS_FILE_LOG_BLOCK_SIZE,
@@ -2122,7 +2109,7 @@ log_reset_first_header_and_checkpoint(
 
 	lsn = start + LOG_BLOCK_HDR_SIZE;
 
-	/* Write the label of ibbackup --restore */
+	/* Write the label of mysqlbackup --restore */
 	strcpy((char*) hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP,
 	       "ibbackup ");
 	ut_sprintf_timestamp((char*) hdr_buf
@@ -3153,8 +3140,7 @@ void
 log_archive_all(void)
 /*=================*/
 {
-	ib_uint64_t	present_lsn;
-	ulint		dummy;
+	lsn_t	present_lsn;
 
 	mutex_enter(&(log_sys->mutex));
 
@@ -3171,6 +3157,9 @@ log_archive_all(void)
 	log_pad_current_log_block();
 
 	for (;;) {
+
+		ulint	archived_bytes;
+
 		mutex_enter(&(log_sys->mutex));
 
 		if (present_lsn <= log_sys->archived_lsn) {
@@ -3182,7 +3171,10 @@ log_archive_all(void)
 
 		mutex_exit(&(log_sys->mutex));
 
-		log_archive_do(TRUE, &dummy);
+		log_archive_do(TRUE, &archived_bytes);
+
+		if (archived_bytes == 0)
+			return;
 	}
 }
 
diff --git a/storage/xtradb/log/log0online.cc b/storage/xtradb/log/log0online.cc
index 127e09e0448..189723a8006 100644
--- a/storage/xtradb/log/log0online.cc
+++ b/storage/xtradb/log/log0online.cc
@@ -1188,6 +1188,9 @@ log_online_write_bitmap(void)
 
 		bmp_tree_node = (ib_rbt_node_t*)
 			rbt_next(log_bmp_sys->modified_pages, bmp_tree_node);
+
+		DBUG_EXECUTE_IF("bitmap_page_2_write_error",
+				DBUG_SET("+d,bitmap_page_write_error"););
 	}
 
 	rbt_reset(log_bmp_sys->modified_pages);
@@ -1253,6 +1256,7 @@ log_online_follow_redo_log(void)
 /*********************************************************************//**
 Diagnose a bitmap file range setup failure and free the partially-initialized
 bitmap file range.  */
+UNIV_COLD
 static
 void
 log_online_diagnose_inconsistent_dir(
@@ -1434,26 +1438,30 @@ log_online_setup_bitmap_file_range(
 		return FALSE;
 	}
 
-#ifdef UNIV_DEBUG
-	if (!bitmap_files->files[0].seq_num) {
+	if (!bitmap_files->files[0].seq_num
+	    || bitmap_files->files[0].seq_num != first_file_seq_num) {
 
 		log_online_diagnose_inconsistent_dir(bitmap_files);
 		return FALSE;
 	}
-	ut_ad(bitmap_files->files[0].seq_num == first_file_seq_num);
+
 	{
 		size_t i;
 		for (i = 1; i < bitmap_files->count; i++) {
 			if (!bitmap_files->files[i].seq_num) {
 				break;
 			}
-			ut_ad(bitmap_files->files[i].seq_num
-			      > bitmap_files->files[i - 1].seq_num);
-			ut_ad(bitmap_files->files[i].start_lsn
-			      >= bitmap_files->files[i - 1].start_lsn);
+			if ((bitmap_files->files[i].seq_num
+			      <= bitmap_files->files[i - 1].seq_num)
+			    || (bitmap_files->files[i].start_lsn
+				< bitmap_files->files[i - 1].start_lsn)) {
+
+				log_online_diagnose_inconsistent_dir(
+								bitmap_files);
+				return FALSE;
+			}
 		}
 	}
-#endif
 
 	return TRUE;
 }
@@ -1576,6 +1584,17 @@ log_online_bitmap_iterator_init(
 {
 	ut_a(i);
 
+	if (UNIV_UNLIKELY(min_lsn > max_lsn)) {
+
+		/* Empty range */
+		i->in_files.count = 0;
+		i->in_files.files = NULL;
+		i->in.file = os_file_invalid;
+		i->page = NULL;
+		i->failed = FALSE;
+		return TRUE;
+	}
+
 	if (!log_online_setup_bitmap_file_range(&i->in_files, min_lsn,
 		max_lsn)) {
 
diff --git a/storage/xtradb/log/log0recv.cc b/storage/xtradb/log/log0recv.cc
index 0db2b6ef5ed..3e0ec3d15fa 100644
--- a/storage/xtradb/log/log0recv.cc
+++ b/storage/xtradb/log/log0recv.cc
@@ -66,7 +66,7 @@ Created 9/20/1997 Heikki Tuuri
 
 
 /** This is set to FALSE if the backup was originally taken with the
-ibbackup --include regexp option: then we do not want to create tables in
+mysqlbackup --include regexp option: then we do not want to create tables in
 directories which were not included */
 UNIV_INTERN ibool	recv_replay_file_ops	= TRUE;
 #endif /* !UNIV_HOTBACKUP */
@@ -2127,7 +2127,7 @@ recv_apply_log_recs_for_backup(void)
 
 			/* Extend the tablespace's last file if the page_no
 			does not fall inside its bounds; we assume the last
-			file is auto-extending, and ibbackup copied the file
+			file is auto-extending, and mysqlbackup copied the file
 			when it still was smaller */
 
 			success = fil_extend_space_to_desired_size(
@@ -2498,10 +2498,10 @@ loop:
 #ifdef UNIV_HOTBACKUP
 			if (recv_replay_file_ops) {
 
-				/* In ibbackup --apply-log, replay an .ibd file
-				operation, if possible; note that
-				fil_path_to_mysql_datadir is set in ibbackup to
-				point to the datadir we should use there */
+				/* In mysqlbackup --apply-log, replay an .ibd
+				file operation, if possible; note that
+				fil_path_to_mysql_datadir is set in mysqlbackup
+				to point to the datadir we should use there */
 
 				if (NULL == fil_op_log_parse_or_replay(
 					    body, end_ptr, type,
@@ -3166,17 +3166,17 @@ recv_recovery_from_checkpoint_start_func(
 		if (srv_read_only_mode) {
 
 			ib_logf(IB_LOG_LEVEL_ERROR,
-				"Cannot restore from ibbackup, InnoDB running "
-				"in read-only mode!");
+				"Cannot restore from mysqlbackup, InnoDB "
+				"running in read-only mode!");
 
 			return(DB_ERROR);
 		}
 
-		/* This log file was created by ibbackup --restore: print
+		/* This log file was created by mysqlbackup --restore: print
 		a note to the user about it */
 
 		ib_logf(IB_LOG_LEVEL_INFO,
-			"The log file was created by ibbackup --apply-log "
+			"The log file was created by mysqlbackup --apply-log "
 			"at %s. The following crash recovery is part of a "
 			"normal restore.",
 			log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP);
diff --git a/storage/xtradb/os/os0file.cc b/storage/xtradb/os/os0file.cc
index ec3f104af43..9ccfb39981d 100644
--- a/storage/xtradb/os/os0file.cc
+++ b/storage/xtradb/os/os0file.cc
@@ -1980,7 +1980,7 @@ os_file_delete_if_exists_func(
 	bool	ret;
 	ulint	count	= 0;
 loop:
-	/* In Windows, deleting an .ibd file may fail if ibbackup is copying
+	/* In Windows, deleting an .ibd file may fail if mysqlbackup is copying
 	it */
 
 	ret = DeleteFile((LPCTSTR) name);
@@ -2005,7 +2005,7 @@ loop:
 		ib_logf(IB_LOG_LEVEL_WARN, "Delete of file %s failed.", name);
 	}
 
-	os_thread_sleep(1000000);	/* sleep for a second */
+	os_thread_sleep(500000);	/* sleep for 0.5 second */
 
 	if (count > 2000) {
 
@@ -2042,7 +2042,7 @@ os_file_delete_func(
 	BOOL	ret;
 	ulint	count	= 0;
 loop:
-	/* In Windows, deleting an .ibd file may fail if ibbackup is copying
+	/* In Windows, deleting an .ibd file may fail if mysqlbackup is copying
 	it */
 
 	ret = DeleteFile((LPCTSTR) name);
@@ -2065,7 +2065,7 @@ loop:
 
 		fprintf(stderr,
 			"InnoDB: Warning: cannot delete file %s\n"
-			"InnoDB: Are you running ibbackup"
+			"InnoDB: Are you running mysqlbackup"
 			" to back up the file?\n", name);
 	}
 
diff --git a/storage/xtradb/page/page0zip.cc b/storage/xtradb/page/page0zip.cc
index c4c8354aa1e..cb97e666e75 100644
--- a/storage/xtradb/page/page0zip.cc
+++ b/storage/xtradb/page/page0zip.cc
@@ -3283,24 +3283,8 @@ page_zip_validate_low(
 	temp_page_buf = static_cast<byte*>(ut_malloc(2 * UNIV_PAGE_SIZE));
 	temp_page = static_cast<byte*>(ut_align(temp_page_buf, UNIV_PAGE_SIZE));
 
-#ifdef UNIV_DEBUG_VALGRIND
-	/* Get detailed information on the valid bits in case the
-	UNIV_MEM_ASSERT_RW() checks fail.  The v-bits of page[],
-	page_zip->data[] or page_zip could be viewed at temp_page[] or
-	temp_page_zip in a debugger when running valgrind --db-attach. */
-	(void) VALGRIND_GET_VBITS(page, temp_page, UNIV_PAGE_SIZE);
 	UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE);
-# if UNIV_WORD_SIZE == 4
-	VALGRIND_GET_VBITS(page_zip, &temp_page_zip, sizeof temp_page_zip);
-	/* On 32-bit systems, there is no padding in page_zip_des_t.
-	On other systems, Valgrind could complain about uninitialized
-	pad bytes. */
-	UNIV_MEM_ASSERT_RW(page_zip, sizeof *page_zip);
-# endif
-	(void) VALGRIND_GET_VBITS(page_zip->data, temp_page,
-				  page_zip_get_size(page_zip));
 	UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip));
-#endif /* UNIV_DEBUG_VALGRIND */
 
 	temp_page_zip = *page_zip;
 	valid = page_zip_decompress(&temp_page_zip, temp_page, TRUE);
diff --git a/storage/xtradb/row/row0ins.cc b/storage/xtradb/row/row0ins.cc
index c3c94a01c09..75eb5735a14 100644
--- a/storage/xtradb/row/row0ins.cc
+++ b/storage/xtradb/row/row0ins.cc
@@ -1718,12 +1718,11 @@ do_possible_lock_wait:
 		table case (check_ref == 0), since MDL lock will prevent
 		concurrent DDL and DML on the same table */
 		if (!check_ref) {
-			for (const dict_foreign_t* check_foreign
-				= UT_LIST_GET_FIRST( table->referenced_list);
-			     check_foreign;
-			     check_foreign = UT_LIST_GET_NEXT(
-					referenced_list, check_foreign)) {
-				if (check_foreign == foreign) {
+			for (dict_foreign_set::iterator it
+				= table->referenced_set.begin();
+			     it != table->referenced_set.end();
+			     ++it) {
+				if (*it == foreign) {
 					verified = true;
 					break;
 				}
@@ -1776,12 +1775,15 @@ row_ins_check_foreign_constraints(
 
 	trx = thr_get_trx(thr);
 
-	foreign = UT_LIST_GET_FIRST(table->foreign_list);
-
 	DEBUG_SYNC_C_IF_THD(thr_get_trx(thr)->mysql_thd,
 			    "foreign_constraint_check_for_ins");
 
-	while (foreign) {
+	for (dict_foreign_set::iterator it = table->foreign_set.begin();
+	     it != table->foreign_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		if (foreign->foreign_index == index) {
 			dict_table_t*	ref_table = NULL;
 			dict_table_t*	foreign_table = foreign->foreign_table;
@@ -1837,8 +1839,6 @@ row_ins_check_foreign_constraints(
 				return(err);
 			}
 		}
-
-		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
 	}
 
 	return(DB_SUCCESS);
@@ -2888,7 +2888,7 @@ row_ins_clust_index_entry(
 	dberr_t	err;
 	ulint	n_uniq;
 
-	if (UT_LIST_GET_FIRST(index->table->foreign_list)) {
+	if (!index->table->foreign_set.empty()) {
 		err = row_ins_check_foreign_constraints(
 			index->table, index, entry, thr);
 		if (err != DB_SUCCESS) {
@@ -2946,7 +2946,7 @@ row_ins_sec_index_entry(
 	mem_heap_t*	offsets_heap;
 	mem_heap_t*	heap;
 
-	if (UT_LIST_GET_FIRST(index->table->foreign_list)) {
+	if (!index->table->foreign_set.empty()) {
 		err = row_ins_check_foreign_constraints(index->table, index,
 							entry, thr);
 		if (err != DB_SUCCESS) {
diff --git a/storage/xtradb/row/row0mysql.cc b/storage/xtradb/row/row0mysql.cc
index 671714c5b3d..ebf991e6ff8 100644
--- a/storage/xtradb/row/row0mysql.cc
+++ b/storage/xtradb/row/row0mysql.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2000, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2000, 2014, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -62,6 +62,7 @@ Created 9/17/2000 Heikki Tuuri
 #include "m_string.h"
 #include "my_sys.h"
 #include "ha_prototypes.h"
+#include <algorithm>
 
 /** Provide optional 4.x backwards compatibility for 5.0 and above */
 UNIV_INTERN ibool	row_rollback_on_timeout	= FALSE;
@@ -1576,8 +1577,6 @@ init_fts_doc_id_for_ref(
 {
 	dict_foreign_t* foreign;
 
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
-
 	table->fk_max_recusive_level = 0;
 
 	(*depth)++;
@@ -1589,17 +1588,25 @@ init_fts_doc_id_for_ref(
 
 	/* Loop through this table's referenced list and also
 	recursively traverse each table's foreign table list */
-	while (foreign && foreign->foreign_table) {
-		if (foreign->foreign_table->fts) {
-			fts_init_doc_id(foreign->foreign_table);
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
+
+		if (foreign->foreign_table == NULL) {
+			break;
 		}
 
-		if (UT_LIST_GET_LEN(foreign->foreign_table->referenced_list)
-		    > 0 && foreign->foreign_table != table) {
-			init_fts_doc_id_for_ref(foreign->foreign_table, depth);
+		if (foreign->foreign_table->fts != NULL) {
+			fts_init_doc_id(foreign->foreign_table);
 		}
 
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
+		if (!foreign->foreign_table->referenced_set.empty()
+		    && foreign->foreign_table != table) {
+			init_fts_doc_id_for_ref(
+				foreign->foreign_table, depth);
+		}
 	}
 }
 
@@ -2839,43 +2846,47 @@ row_discard_tablespace_foreign_key_checks(
 	const trx_t*		trx,	/*!< in: transaction handle */
 	const dict_table_t*	table)	/*!< in: table to be discarded */
 {
-	const dict_foreign_t*	foreign;
+
+	if (srv_read_only_mode || !trx->check_foreigns) {
+		return(DB_SUCCESS);
+	}
 
 	/* Check if the table is referenced by foreign key constraints from
 	some other table (not the table itself) */
+	dict_foreign_set::iterator	it
+		= std::find_if(table->referenced_set.begin(),
+			       table->referenced_set.end(),
+			       dict_foreign_different_tables());
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign && foreign->foreign_table == table;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
-
+	if (it == table->referenced_set.end()) {
+		return(DB_SUCCESS);
 	}
 
-	if (!srv_read_only_mode && foreign && trx->check_foreigns) {
+	const dict_foreign_t*	foreign	= *it;
+	FILE*			ef	= dict_foreign_err_file;
 
-		FILE*	ef	= dict_foreign_err_file;
+	ut_ad(foreign->foreign_table != table);
+	ut_ad(foreign->referenced_table == table);
 
-		/* We only allow discarding a referenced table if
-		FOREIGN_KEY_CHECKS is set to 0 */
+	/* We only allow discarding a referenced table if
+	FOREIGN_KEY_CHECKS is set to 0 */
 
-		mutex_enter(&dict_foreign_err_mutex);
+	mutex_enter(&dict_foreign_err_mutex);
 
-		rewind(ef);
+	rewind(ef);
 
-		ut_print_timestamp(ef);
+	ut_print_timestamp(ef);
 
-		fputs("  Cannot DISCARD table ", ef);
-		ut_print_name(stderr, trx, TRUE, table->name);
-		fputs("\n"
-		      "because it is referenced by ", ef);
-		ut_print_name(stderr, trx, TRUE, foreign->foreign_table_name);
-		putc('\n', ef);
+	fputs("  Cannot DISCARD table ", ef);
+	ut_print_name(stderr, trx, TRUE, table->name);
+	fputs("\n"
+	      "because it is referenced by ", ef);
+	ut_print_name(stderr, trx, TRUE, foreign->foreign_table_name);
+	putc('\n', ef);
 
-		mutex_exit(&dict_foreign_err_mutex);
-
-		return(DB_CANNOT_DROP_CONSTRAINT);
-	}
+	mutex_exit(&dict_foreign_err_mutex);
 
-	return(DB_SUCCESS);
+	return(DB_CANNOT_DROP_CONSTRAINT);
 }
 
 /*********************************************************************//**
@@ -3178,7 +3189,6 @@ row_truncate_table_for_mysql(
 	dict_table_t*	table,	/*!< in: table handle */
 	trx_t*		trx)	/*!< in: transaction handle */
 {
-	dict_foreign_t*	foreign;
 	dberr_t		err;
 	mem_heap_t*	heap;
 	byte*		buf;
@@ -3270,18 +3280,17 @@ row_truncate_table_for_mysql(
 	/* Check if the table is referenced by foreign key constraints from
 	some other table (not the table itself) */
 
-	for (foreign = UT_LIST_GET_FIRST(table->referenced_list);
-	     foreign != 0 && foreign->foreign_table == table;
-	     foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) {
-
-		/* Do nothing. */
-	}
+	dict_foreign_set::iterator	it
+		= std::find_if(table->referenced_set.begin(),
+			       table->referenced_set.end(),
+			       dict_foreign_different_tables());
 
 	if (!srv_read_only_mode
-	    && foreign
+	    && it != table->referenced_set.end()
 	    && trx->check_foreigns) {
 
-		FILE*	ef	= dict_foreign_err_file;
+		FILE*		ef	= dict_foreign_err_file;
+		dict_foreign_t*	foreign	= *it;
 
 		/* We only allow truncating a referenced table if
 		FOREIGN_KEY_CHECKS is set to 0 */
@@ -3882,42 +3891,45 @@ row_drop_table_for_mysql(
 	/* Check if the table is referenced by foreign key constraints from
 	some other table (not the table itself) */
 
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
+	if (!srv_read_only_mode && trx->check_foreigns) {
 
-	while (foreign && foreign->foreign_table == table) {
-check_next_foreign:
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
-	}
+		for (dict_foreign_set::iterator it
+			= table->referenced_set.begin();
+		     it != table->referenced_set.end();
+		     ++it) {
 
-	if (!srv_read_only_mode
-	    && foreign
-	    && trx->check_foreigns
-	    && !(drop_db && dict_tables_have_same_db(
-			 name, foreign->foreign_table_name_lookup))) {
-		FILE*	ef	= dict_foreign_err_file;
+			foreign = *it;
 
-		/* We only allow dropping a referenced table if
-		FOREIGN_KEY_CHECKS is set to 0 */
+			const bool	ref_ok = drop_db
+				&& dict_tables_have_same_db(
+					name,
+					foreign->foreign_table_name_lookup);
 
-		err = DB_CANNOT_DROP_CONSTRAINT;
+			if (foreign->foreign_table != table && !ref_ok) {
 
-		mutex_enter(&dict_foreign_err_mutex);
-		rewind(ef);
-		ut_print_timestamp(ef);
+				FILE*	ef	= dict_foreign_err_file;
 
-		fputs("  Cannot drop table ", ef);
-		ut_print_name(ef, trx, TRUE, name);
-		fputs("\n"
-		      "because it is referenced by ", ef);
-		ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
-		putc('\n', ef);
-		mutex_exit(&dict_foreign_err_mutex);
+				/* We only allow dropping a referenced table
+				if FOREIGN_KEY_CHECKS is set to 0 */
 
-		goto funct_exit;
-	}
+				err = DB_CANNOT_DROP_CONSTRAINT;
+
+				mutex_enter(&dict_foreign_err_mutex);
+				rewind(ef);
+				ut_print_timestamp(ef);
 
-	if (foreign && trx->check_foreigns) {
-		goto check_next_foreign;
+				fputs("  Cannot drop table ", ef);
+				ut_print_name(ef, trx, TRUE, name);
+				fputs("\n"
+				      "because it is referenced by ", ef);
+				ut_print_name(ef, trx, TRUE,
+					      foreign->foreign_table_name);
+				putc('\n', ef);
+				mutex_exit(&dict_foreign_err_mutex);
+
+				goto funct_exit;
+			}
+		}
 	}
 
 	/* TODO: could we replace the counter n_foreign_key_checks_running
diff --git a/storage/xtradb/row/row0upd.cc b/storage/xtradb/row/row0upd.cc
index 3ead385c2cd..1cdd447cd93 100644
--- a/storage/xtradb/row/row0upd.cc
+++ b/storage/xtradb/row/row0upd.cc
@@ -53,7 +53,7 @@ Created 12/27/1996 Heikki Tuuri
 #include "pars0sym.h"
 #include "eval0eval.h"
 #include "buf0lru.h"
-
+#include <algorithm>
 
 /* What kind of latch and lock can we assume when the control comes to
    -------------------------------------------------------------------
@@ -138,12 +138,10 @@ row_upd_index_is_referenced(
 	trx_t*		trx)	/*!< in: transaction */
 {
 	dict_table_t*	table		= index->table;
-	dict_foreign_t*	foreign;
 	ibool		froze_data_dict	= FALSE;
 	ibool		is_referenced	= FALSE;
 
-	if (!UT_LIST_GET_FIRST(table->referenced_list)) {
-
+	if (table->referenced_set.empty()) {
 		return(FALSE);
 	}
 
@@ -152,19 +150,13 @@ row_upd_index_is_referenced(
 		froze_data_dict = TRUE;
 	}
 
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
-
-	while (foreign) {
-		if (foreign->referenced_index == index) {
-
-			is_referenced = TRUE;
-			goto func_exit;
-		}
+	dict_foreign_set::iterator	it
+		= std::find_if(table->referenced_set.begin(),
+			       table->referenced_set.end(),
+			       dict_foreign_with_index(index));
 
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
-	}
+	is_referenced = (it != table->referenced_set.end());
 
-func_exit:
 	if (froze_data_dict) {
 		row_mysql_unfreeze_data_dictionary(trx);
 	}
@@ -202,7 +194,7 @@ row_upd_check_references_constraints(
 	dberr_t		err;
 	ibool		got_s_lock	= FALSE;
 
-	if (UT_LIST_GET_FIRST(table->referenced_list) == NULL) {
+	if (table->referenced_set.empty()) {
 
 		return(DB_SUCCESS);
 	}
@@ -229,9 +221,13 @@ row_upd_check_references_constraints(
 	}
 
 run_again:
-	foreign = UT_LIST_GET_FIRST(table->referenced_list);
 
-	while (foreign) {
+	for (dict_foreign_set::iterator it = table->referenced_set.begin();
+	     it != table->referenced_set.end();
+	     ++it) {
+
+		foreign = *it;
+
 		/* Note that we may have an update which updates the index
 		record, but does NOT update the first fields which are
 		referenced in a foreign key constraint. Then the update does
@@ -284,8 +280,6 @@ run_again:
 				goto func_exit;
 			}
 		}
-
-		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
 	}
 
 	err = DB_SUCCESS;
diff --git a/storage/xtradb/srv/srv0start.cc b/storage/xtradb/srv/srv0start.cc
index bf2a6a16616..003ad305309 100644
--- a/storage/xtradb/srv/srv0start.cc
+++ b/storage/xtradb/srv/srv0start.cc
@@ -1713,6 +1713,19 @@ innobase_start_or_create_for_mysql(void)
 		"" IB_ATOMICS_STARTUP_MSG "");
 
 	ib_logf(IB_LOG_LEVEL_INFO,
+		"" IB_MEMORY_BARRIER_STARTUP_MSG "");
+
+#ifndef HAVE_MEMORY_BARRIER
+#if defined __i386__ || defined __x86_64__ || defined _M_IX86 || defined _M_X64 || defined __WIN__
+#else
+	ib_logf(IB_LOG_LEVEL_WARN,
+		"MySQL was built without a memory barrier capability on this"
+		" architecture, which might allow a mutex/rw_lock violation"
+		" under high thread concurrency. This may cause a hang.");
+#endif /* IA32 or AMD64 */
+#endif /* HAVE_MEMORY_BARRIER */
+
+	ib_logf(IB_LOG_LEVEL_INFO,
 		"Compressed tables use zlib " ZLIB_VERSION
 #ifdef UNIV_ZIP_DEBUG
 	      " with validation"
@@ -2706,13 +2719,6 @@ files_checked:
 		srv_undo_logs = ULONG_UNDEFINED;
 	}
 
-	/* Flush the changes made to TRX_SYS_PAGE by trx_sys_create_rsegs()*/
-	if (!srv_force_recovery && !srv_read_only_mode) {
-		bool success = buf_flush_list(ULINT_MAX, LSN_MAX, NULL);
-		ut_a(success);
-		buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST);
-	}
-
 	if (!srv_read_only_mode) {
 		/* Create the thread which watches the timeouts
 		for lock waits */
diff --git a/storage/xtradb/sync/sync0arr.cc b/storage/xtradb/sync/sync0arr.cc
index 6e30ccf07df..7ad9fe8d40b 100644
--- a/storage/xtradb/sync/sync0arr.cc
+++ b/storage/xtradb/sync/sync0arr.cc
@@ -839,6 +839,7 @@ sync_arr_cell_can_wake_up(
 					  cell->wait_object))->base_mutex;
 		}
 
+		os_rmb;
 		if (mutex_get_lock_word(mutex) == 0) {
 
 			return(TRUE);
@@ -849,7 +850,7 @@ sync_arr_cell_can_wake_up(
 
 		lock = static_cast<rw_lock_t*>(cell->wait_object);
 
-                os_rmb;
+		os_rmb;
 		if (lock->lock_word > 0) {
 		/* Either unlocked or only read locked. */
 
@@ -861,7 +862,7 @@ sync_arr_cell_can_wake_up(
 		lock = static_cast<rw_lock_t*>(cell->wait_object);
 
                 /* lock_word == 0 means all readers have left */
-                os_rmb;
+		os_rmb;
 		if (lock->lock_word == 0) {
 
 			return(TRUE);
@@ -871,7 +872,7 @@ sync_arr_cell_can_wake_up(
 		lock = static_cast<rw_lock_t*>(cell->wait_object);
 
                 /* lock_word > 0 means no writer or reserved writer */
-                os_rmb;
+		os_rmb;
 		if (lock->lock_word > 0) {
 
 			return(TRUE);
diff --git a/storage/xtradb/sync/sync0rw.cc b/storage/xtradb/sync/sync0rw.cc
index d5a069b96d3..7fad78ea577 100644
--- a/storage/xtradb/sync/sync0rw.cc
+++ b/storage/xtradb/sync/sync0rw.cc
@@ -462,7 +462,7 @@ lock_loop:
 		}
 
 		HMT_medium();
-		if (lock->lock_word <= 0) {
+		if (i >= SYNC_SPIN_ROUNDS) {
 			os_thread_yield();
 		}
 
@@ -608,10 +608,16 @@ rw_lock_x_lock_wait(
 
 	counter_index = (size_t) os_thread_get_curr_id();
 
+	os_rmb;
 	ut_ad(lock->lock_word <= 0);
 
-	os_rmb;
         HMT_low();
+	if (high_priority) {
+
+		prio_rw_lock = reinterpret_cast<prio_rw_lock_t *>(lock);
+		prio_rw_lock->high_priority_wait_ex_waiter = 1;
+	}
+
 	while (lock->lock_word < 0) {
 		if (srv_spin_wait_delay) {
 			ut_delay(ut_rnd_interval(0, srv_spin_wait_delay));
@@ -631,13 +637,6 @@ rw_lock_x_lock_wait(
 							   file_name,
 							   line, &index);
 
-		if (high_priority) {
-
-			prio_rw_lock
-				= reinterpret_cast<prio_rw_lock_t *>(lock);
-			prio_rw_lock->high_priority_wait_ex_waiter = 1;
-		}
-
 		i = 0;
 
 		/* Check lock_word to ensure wake-up isn't missed.*/
@@ -664,14 +663,16 @@ rw_lock_x_lock_wait(
 			We must pass the while-loop check to proceed.*/
 		} else {
 			sync_array_free_cell(sync_arr, index);
-			if (prio_rw_lock) {
-
-				prio_rw_lock->high_priority_wait_ex_waiter = 0;
-			}
 		}
 		HMT_low();
 	}
 	HMT_medium();
+
+	if (prio_rw_lock) {
+
+		prio_rw_lock->high_priority_wait_ex_waiter = 0;
+	}
+
 	rw_lock_stats.rw_x_spin_round_count.add(counter_index, i);
 }
 
@@ -712,8 +713,11 @@ rw_lock_x_lock_low(
 
 	} else {
 		os_thread_id_t	thread_id = os_thread_get_curr_id();
-		if (!pass)
+
+		if (!pass) {
 			os_rmb;
+		}
+
 		/* Decrement failed: relock or failed lock */
 		if (!pass && lock->recursive
 		    && os_thread_eq(lock->writer_thread, thread_id)) {
@@ -817,7 +821,7 @@ lock_loop:
 			os_rmb;
 		}
 		HMT_medium();
-		if (i == SYNC_SPIN_ROUNDS) {
+		if (i >= SYNC_SPIN_ROUNDS) {
 			os_thread_yield();
 		} else {
 			goto lock_loop;
diff --git a/storage/xtradb/sync/sync0sync.cc b/storage/xtradb/sync/sync0sync.cc
index 661cdb4395e..67d4835ed95 100644
--- a/storage/xtradb/sync/sync0sync.cc
+++ b/storage/xtradb/sync/sync0sync.cc
@@ -591,16 +591,16 @@ mutex_loop:
 spin_loop:
 
         HMT_low();
+	os_rmb;
 	while (mutex_get_lock_word(mutex) != 0 && i < SYNC_SPIN_ROUNDS) {
 		if (srv_spin_wait_delay) {
 			ut_delay(ut_rnd_interval(0, srv_spin_wait_delay));
 		}
-                os_rmb;              // Ensure future reads sees new values
 		i++;
 	}
         HMT_medium();
 
-	if (i == SYNC_SPIN_ROUNDS) {
+	if (i >= SYNC_SPIN_ROUNDS) {
 		os_thread_yield();
 	}
 
diff --git a/storage/xtradb/trx/trx0sys.cc b/storage/xtradb/trx/trx0sys.cc
index aab99a793f6..6a03ba5ed57 100644
--- a/storage/xtradb/trx/trx0sys.cc
+++ b/storage/xtradb/trx/trx0sys.cc
@@ -961,7 +961,7 @@ trx_sys_print_mysql_binlog_offset_from_page(
 	    == TRX_SYS_MYSQL_LOG_MAGIC_N) {
 
 		fprintf(stderr,
-			"ibbackup: Last MySQL binlog file position %lu %lu,"
+			"mysqlbackup: Last MySQL binlog file position %lu %lu,"
 			" file name %s\n",
 			(ulong) mach_read_from_4(
 				sys_header + TRX_SYS_MYSQL_LOG_INFO
@@ -1012,9 +1012,9 @@ trx_sys_read_file_format_id(
 		ut_print_timestamp(stderr);
 
 		fprintf(stderr,
-			"  ibbackup: Error: trying to read system tablespace "
-			"file format,\n"
-			"  ibbackup: but could not open the tablespace "
+			"  mysqlbackup: Error: trying to read system "
+			"tablespace file format,\n"
+			"  mysqlbackup: but could not open the tablespace "
 			"file %s!\n", pathname);
 		return(FALSE);
 	}
@@ -1031,9 +1031,9 @@ trx_sys_read_file_format_id(
 		ut_print_timestamp(stderr);
 
 		fprintf(stderr,
-			"  ibbackup: Error: trying to read system tablespace "
-			"file format,\n"
-			"  ibbackup: but failed to read the tablespace "
+			"  mysqlbackup: Error: trying to read system "
+			"tablespace file format,\n"
+			"  mysqlbackup: but failed to read the tablespace "
 			"file %s!\n", pathname);
 
 		os_file_close(file);
@@ -1092,9 +1092,9 @@ trx_sys_read_pertable_file_format_id(
 		ut_print_timestamp(stderr);
 
 		fprintf(stderr,
-			"  ibbackup: Error: trying to read per-table "
+			"  mysqlbackup: Error: trying to read per-table "
 			"tablespace format,\n"
-			"  ibbackup: but could not open the tablespace "
+			"  mysqlbackup: but could not open the tablespace "
 			"file %s!\n", pathname);
 
 		return(FALSE);
@@ -1111,9 +1111,9 @@ trx_sys_read_pertable_file_format_id(
 		ut_print_timestamp(stderr);
 
 		fprintf(stderr,
-			"  ibbackup: Error: trying to per-table data file "
+			"  mysqlbackup: Error: trying to per-table data file "
 			"format,\n"
-			"  ibbackup: but failed to read the tablespace "
+			"  mysqlbackup: but failed to read the tablespace "
 			"file %s!\n", pathname);
 
 		os_file_close(file);