Merge 10.2 into 10.3

15 files changed, 118 insertions, 342 deletions

diff --git a/extra/mariabackup/backup_copy.cc b/extra/mariabackup/backup_copy.cc
index a0c5fbcca1b..bb5ca71a0b8 100644
--- a/extra/mariabackup/backup_copy.cc
+++ b/extra/mariabackup/backup_copy.cc
@@ -1203,6 +1203,7 @@ cleanup:
 
 
 
+static
 bool
 backup_files(const char *from, bool prep_mode)
 {
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc
index 179172d3629..71621eb7b7c 100644
--- a/extra/mariabackup/xtrabackup.cc
+++ b/extra/mariabackup/xtrabackup.cc
@@ -172,7 +172,6 @@ typedef struct xb_filter_entry_struct	xb_filter_entry_t;
 lsn_t checkpoint_lsn_start;
 lsn_t checkpoint_no_start;
 static lsn_t log_copy_scanned_lsn;
-static bool log_copying;
 static bool log_copying_running;
 static bool io_watching_thread_running;
 
@@ -202,9 +201,9 @@ my_bool opt_ssl_verify_server_cert;
 /* === metadata of backup === */
 #define XTRABACKUP_METADATA_FILENAME "xtrabackup_checkpoints"
 char metadata_type[30] = ""; /*[full-backuped|log-applied|incremental]*/
-lsn_t metadata_from_lsn;
+static lsn_t metadata_from_lsn;
 lsn_t metadata_to_lsn;
-lsn_t metadata_last_lsn;
+static lsn_t metadata_last_lsn;
 
 static ds_file_t*	dst_log_file;
 
@@ -2442,25 +2441,12 @@ skip:
 	return(FALSE);
 }
 
-/** How to copy a redo log segment in backup */
-enum copy_logfile {
-	/** Initial copying: copy at least one block */
-	COPY_FIRST,
-	/** Tracking while copying data files */
-	COPY_ONLINE,
-	/** Final copying: copy until the end of the log */
-	COPY_LAST
-};
-
 /** Copy redo log blocks to the data sink.
-@param[in]	copy		how to copy the log
-@param[in]	start_lsn	buffer start LSN
-@param[in]	end_lsn		buffer end LSN
-@return	last scanned LSN (equals to last copied LSN if copy=COPY_LAST)
+@param start_lsn	buffer start LSN
+@param end_lsn		buffer end LSN
+@return	last scanned LSN
 @retval	0	on failure */
-static
-lsn_t
-xtrabackup_copy_log(copy_logfile copy, lsn_t start_lsn, lsn_t end_lsn)
+static lsn_t xtrabackup_copy_log(lsn_t start_lsn, lsn_t end_lsn)
 {
 	lsn_t	scanned_lsn	= start_lsn;
 	const byte* log_block = log_sys.buf;
@@ -2475,6 +2461,9 @@ xtrabackup_copy_log(copy_logfile copy, lsn_t start_lsn, lsn_t end_lsn)
 		    && scanned_checkpoint - checkpoint >= 0x80000000UL) {
 			/* Garbage from a log buffer flush which was made
 			before the most recent database recovery */
+			msg("mariabackup: checkpoint wrap: "
+			    LSN_PF ",%zx,%zx\n",
+			    scanned_lsn, scanned_checkpoint, checkpoint);
 			break;
 		}
 
@@ -2495,6 +2484,8 @@ xtrabackup_copy_log(copy_logfile copy, lsn_t start_lsn, lsn_t end_lsn)
 			   >= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE
 			   || data_len <= LOG_BLOCK_HDR_SIZE) {
 			/* We got a garbage block (abrupt end of the log). */
+			msg("mariabackup: garbage block: " LSN_PF ",%zu\n",
+			    scanned_lsn, data_len);
 			break;
 		} else {
 			/* We got a partial block (abrupt end of the log). */
@@ -2514,7 +2505,7 @@ xtrabackup_copy_log(copy_logfile copy, lsn_t start_lsn, lsn_t end_lsn)
 
 	log_sys.log.scanned_lsn = scanned_lsn;
 
-	end_lsn = copy == COPY_LAST
+	end_lsn = metadata_to_lsn
 		? ut_uint64_align_up(scanned_lsn, OS_FILE_LOG_BLOCK_SIZE)
 		: scanned_lsn & ~lsn_t(OS_FILE_LOG_BLOCK_SIZE - 1);
 
@@ -2534,10 +2525,8 @@ xtrabackup_copy_log(copy_logfile copy, lsn_t start_lsn, lsn_t end_lsn)
 }
 
 /** Copy redo log until the current end of the log is reached
-@param copy	how to copy the log
 @return	whether the operation failed */
-static bool
-xtrabackup_copy_logfile(copy_logfile copy)
+static bool xtrabackup_copy_logfile()
 {
 	ut_a(dst_log_file != NULL);
 	ut_ad(recv_sys != NULL);
@@ -2550,32 +2539,28 @@ xtrabackup_copy_logfile(copy_logfile copy)
 
 	start_lsn = ut_uint64_align_down(log_copy_scanned_lsn,
 					 OS_FILE_LOG_BLOCK_SIZE);
-	/* When copying the first or last part of the log, retry a few
-	times to ensure that all log up to the last checkpoint will be
-	read. */
 	do {
 		end_lsn = start_lsn + RECV_SCAN_SIZE;
 
 		xtrabackup_io_throttling();
 
 		log_mutex_enter();
-
 		lsn_t lsn= start_lsn;
-		for(int retries= 0; retries < 100; retries++) {
-			if (log_sys.log.read_log_seg(&lsn, end_lsn)) {
+		for (int retries= 0; retries < 100; retries++) {
+			if (log_sys.log.read_log_seg(&lsn, end_lsn)
+			    || lsn != start_lsn) {
 				break;
 			}
-			msg("Retrying read of a redo log block");
+			msg("Retrying read of log at LSN=" LSN_PF "\n", lsn);
 			my_sleep(1000);
 		}
 
-		start_lsn = xtrabackup_copy_log(copy, start_lsn, lsn);
+		start_lsn = (lsn == start_lsn)
+			? 0 : xtrabackup_copy_log(start_lsn, lsn);
 
 		log_mutex_exit();
 
 		if (!start_lsn) {
-			ds_close(dst_log_file);
-			dst_log_file = NULL;
 			msg("mariabackup: Error: xtrabackup_copy_logfile()"
 			    " failed.\n");
 			return(true);
@@ -2601,12 +2586,23 @@ static os_thread_ret_t DECLARE_THREAD(log_copying_thread)(void*)
 	*/
 	my_thread_init();
 
-	do {
+	for (;;) {
 		os_event_reset(log_copying_stop);
 		os_event_wait_time_low(log_copying_stop,
 				       xtrabackup_log_copy_interval * 1000ULL,
 				       0);
-	} while (log_copying && xtrabackup_copy_logfile(COPY_ONLINE));
+		if (xtrabackup_copy_logfile()) {
+			break;
+		}
+
+		log_mutex_enter();
+		bool completed = metadata_to_lsn
+			&& metadata_to_lsn < log_copy_scanned_lsn;
+		log_mutex_exit();
+		if (completed) {
+			break;
+		}
+	}
 
 	log_copying_running = false;
 	my_thread_end();
@@ -2621,7 +2617,7 @@ static os_thread_ret_t DECLARE_THREAD(io_watching_thread)(void*)
 	/* currently, for --backup only */
 	ut_a(xtrabackup_backup);
 
-	while (log_copying) {
+	while (log_copying_running && !metadata_to_lsn) {
 		os_thread_sleep(1000000); /*1 sec*/
 		io_ticket = xtrabackup_throttle;
 		os_event_set(wait_throttle);
@@ -3638,16 +3634,16 @@ end:
 
 static void stop_backup_threads()
 {
-	log_copying = false;
-
-	if (log_copying_stop) {
+	if (log_copying_stop && log_copying_running) {
 		os_event_set(log_copying_stop);
-		msg("mariabackup: Stopping log copying thread.\n");
+		fputs("mariabackup: Stopping log copying thread", stderr);
+		fflush(stderr);
 		while (log_copying_running) {
-			msg(".");
+			putc('.', stderr);
+			fflush(stderr);
 			os_thread_sleep(200000); /*0.2 sec*/
 		}
-		msg("\n");
+		putc('\n', stderr);
 		os_event_destroy(log_copying_stop);
 	}
 
@@ -3662,10 +3658,10 @@ static void stop_backup_threads()
 
 /** Implement the core of --backup
 @return	whether the operation succeeded */
-static
-bool
-xtrabackup_backup_low()
+static bool xtrabackup_backup_low()
 {
+	ut_ad(!metadata_to_lsn);
+
 	/* read the latest checkpoint lsn */
 	{
 		ulint	max_cp_field;
@@ -3674,13 +3670,15 @@ xtrabackup_backup_low()
 
 		if (recv_find_max_checkpoint(&max_cp_field) == DB_SUCCESS
 		    && log_sys.log.format != 0) {
+			if (max_cp_field == LOG_CHECKPOINT_1) {
+				log_header_read(max_cp_field);
+			}
 			metadata_to_lsn = mach_read_from_8(
 				log_sys.checkpoint_buf + LOG_CHECKPOINT_LSN);
 			msg("mariabackup: The latest check point"
 			    " (for incremental): '" LSN_PF "'\n",
 			    metadata_to_lsn);
 		} else {
-			metadata_to_lsn = 0;
 			msg("mariabackup: Error: recv_find_max_checkpoint() failed.\n");
 		}
 		log_mutex_exit();
@@ -3688,11 +3686,7 @@ xtrabackup_backup_low()
 
 	stop_backup_threads();
 
-	if (!dst_log_file || xtrabackup_copy_logfile(COPY_LAST)) {
-		return false;
-	}
-
-	if (ds_close(dst_log_file)) {
+	if (ds_close(dst_log_file) || !metadata_to_lsn) {
 		dst_log_file = NULL;
 		return false;
 	}
@@ -3771,6 +3765,7 @@ xtrabackup_backup_func()
 	srv_read_only_mode = TRUE;
 
 	srv_operation = SRV_OPERATION_BACKUP;
+	metadata_to_lsn = 0;
 
 	if (xb_close_files)
 		msg("mariabackup: warning: close-files specified. Use it "
@@ -3781,7 +3776,12 @@ xtrabackup_backup_func()
 	/* initialize components */
         if(innodb_init_param()) {
 fail:
+		metadata_to_lsn = log_copying_running;
 		stop_backup_threads();
+		if (dst_log_file) {
+			ds_close(dst_log_file);
+			dst_log_file = NULL;
+		}
 		if (fil_system.is_initialised()) {
 			innodb_shutdown();
 		}
@@ -3996,9 +3996,7 @@ reread_log_header:
 		goto log_write_fail;
 	}
 
-	/* start flag */
-	log_copying = TRUE;
-
+	log_copying_running = true;
 	/* start io throttle */
 	if(xtrabackup_throttle) {
 		os_thread_id_t io_watching_thread_id;
@@ -4016,6 +4014,8 @@ reread_log_header:
 	if (err != DB_SUCCESS) {
 		msg("mariabackup: error: xb_load_tablespaces() failed with"
 		    " error %s.\n", ut_strerr(err));
+fail_before_log_copying_thread_start:
+		log_copying_running = false;
 		goto fail;
 	}
 
@@ -4023,11 +4023,10 @@ reread_log_header:
 	log_copy_scanned_lsn = checkpoint_lsn_start;
 	recv_sys->recovered_lsn = log_copy_scanned_lsn;
 
-	if (xtrabackup_copy_logfile(COPY_FIRST))
-		goto fail;
+	if (xtrabackup_copy_logfile())
+		goto fail_before_log_copying_thread_start;
 
 	log_copying_stop = os_event_create(0);
-	log_copying_running = true;
 	os_thread_create(log_copying_thread, NULL, &log_copying_thread_id);
 
 	/* FLUSH CHANGED_PAGE_BITMAPS call */
diff --git a/extra/mariabackup/xtrabackup.h b/extra/mariabackup/xtrabackup.h
index c77485cb4de..2db5bc29b51 100644
--- a/extra/mariabackup/xtrabackup.h
+++ b/extra/mariabackup/xtrabackup.h
@@ -56,9 +56,7 @@ extern xb_page_bitmap *changed_page_bitmap;
 extern char		*xtrabackup_incremental;
 extern my_bool		xtrabackup_incremental_force_scan;
 
-extern lsn_t		metadata_from_lsn;
 extern lsn_t		metadata_to_lsn;
-extern lsn_t		metadata_last_lsn;
 
 extern xb_stream_fmt_t	xtrabackup_stream_fmt;
 extern ibool		xtrabackup_stream;
diff --git a/mysql-test/suite/innodb/r/innodb-blob.result b/mysql-test/suite/innodb/r/innodb-blob.result
index d48bfdf0f80..c2b46661e31 100644
--- a/mysql-test/suite/innodb/r/innodb-blob.result
+++ b/mysql-test/suite/innodb/r/innodb-blob.result
@@ -1,4 +1,4 @@
-call mtr.add_suppression("InnoDB: The log sequence numbers [0-9]+ and [0-9]+ in ibdata files do not match the log sequence number [0-9]+ in the ib_logfiles!");
+FLUSH TABLES;
 CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ENGINE=InnoDB;
 CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=InnoDB;
 CREATE TABLE t3 (a INT PRIMARY KEY, b TEXT, c TEXT) ENGINE=InnoDB;
diff --git a/mysql-test/suite/innodb/r/innodb_defragment_small.result b/mysql-test/suite/innodb/r/innodb_defragment_small.result
index 7471c84bb44..fcb3bf2e07f 100644
--- a/mysql-test/suite/innodb/r/innodb_defragment_small.result
+++ b/mysql-test/suite/innodb/r/innodb_defragment_small.result
@@ -1,6 +1,13 @@
 SET @innodb_defragment_orig=@@GLOBAL.innodb_defragment;
+SET @innodb_optimize_fulltext_orig=@@GLOBAL.innodb_optimize_fulltext_only;
 SET GLOBAL innodb_defragment = 1;
-CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(256), KEY(a, b)) ENGINE=INNODB;
+SET GLOBAL innodb_optimize_fulltext_only = 0;
+#
+# MDEV-12198 innodb_defragment=1 crashes server on
+# OPTIMIZE TABLE when FULLTEXT index exists
+#
+CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(256),
+KEY(a, b), FULLTEXT KEY(b)) ENGINE=INNODB;
 OPTIMIZE TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
@@ -11,12 +18,15 @@ INSERT INTO t1 VALUES (400000, REPEAT('A', 256));
 OPTIMIZE TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
-DROP TABLE t1;
 #
-# MDEV-12198 innodb_defragment=1 crashes server on
-# OPTIMIZE TABLE when FULLTEXT index exists
+# MDEV-15824 innodb_defragment=ON trumps
+# innodb_optimize_fulltext_only=ON in OPTIMIZE TABLE
 #
-CREATE TABLE t1 (c TEXT, FULLTEXT KEY (c)) ENGINE=InnoDB;
+SET GLOBAL innodb_optimize_fulltext_only = 1;
+OPTIMIZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+SET GLOBAL innodb_defragment = 0;
 OPTIMIZE TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
@@ -27,3 +37,4 @@ Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
 DROP TABLE t1;
 SET GLOBAL innodb_defragment = @innodb_defragment_orig;
+SET GLOBAL innodb_optimize_fulltext_only = @innodb_optimize_fulltext_orig;
diff --git a/mysql-test/suite/innodb/t/innodb-blob.test b/mysql-test/suite/innodb/t/innodb-blob.test
index 1c91305b0ee..fbf0641880b 100644
--- a/mysql-test/suite/innodb/t/innodb-blob.test
+++ b/mysql-test/suite/innodb/t/innodb-blob.test
@@ -6,13 +6,13 @@
 # The 7000 in this test is a bit less than half the innodb_page_size.
 --source include/have_innodb_16k.inc
 
-# DEBUG_SYNC must be compiled in.
+--source include/have_debug.inc
 --source include/have_debug_sync.inc
 
 # Embedded server does not support restarting
 --source include/not_embedded.inc
 
-call mtr.add_suppression("InnoDB: The log sequence numbers [0-9]+ and [0-9]+ in ibdata files do not match the log sequence number [0-9]+ in the ib_logfiles!");
+FLUSH TABLES;
 
 CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ENGINE=InnoDB;
 CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=InnoDB;
diff --git a/mysql-test/suite/innodb/t/innodb_defragment_small.test b/mysql-test/suite/innodb/t/innodb_defragment_small.test
index 8500c173af7..6259dac448e 100644
--- a/mysql-test/suite/innodb/t/innodb_defragment_small.test
+++ b/mysql-test/suite/innodb/t/innodb_defragment_small.test
@@ -1,10 +1,17 @@
 --source include/have_innodb.inc
 
 SET @innodb_defragment_orig=@@GLOBAL.innodb_defragment;
+SET @innodb_optimize_fulltext_orig=@@GLOBAL.innodb_optimize_fulltext_only;
 SET GLOBAL innodb_defragment = 1;
+SET GLOBAL innodb_optimize_fulltext_only = 0;
 
-# Small tests copied from innodb.innodb_defragment
-CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(256), KEY(a, b)) ENGINE=INNODB;
+--echo #
+--echo # MDEV-12198 innodb_defragment=1 crashes server on
+--echo # OPTIMIZE TABLE when FULLTEXT index exists
+--echo #
+
+CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(256),
+                 KEY(a, b), FULLTEXT KEY(b)) ENGINE=INNODB;
 OPTIMIZE TABLE t1;
 
 INSERT INTO t1 VALUES (100000, REPEAT('A', 256));
@@ -13,16 +20,17 @@ INSERT INTO t1 VALUES (300000, REPEAT('A', 256));
 INSERT INTO t1 VALUES (400000, REPEAT('A', 256));
 
 OPTIMIZE TABLE t1;
-DROP TABLE t1;
 
 --echo #
---echo # MDEV-12198 innodb_defragment=1 crashes server on
---echo # OPTIMIZE TABLE when FULLTEXT index exists
+--echo # MDEV-15824 innodb_defragment=ON trumps
+--echo # innodb_optimize_fulltext_only=ON in OPTIMIZE TABLE
 --echo #
 
-CREATE TABLE t1 (c TEXT, FULLTEXT KEY (c)) ENGINE=InnoDB;
-
+SET GLOBAL innodb_optimize_fulltext_only = 1;
 OPTIMIZE TABLE t1;
+SET GLOBAL innodb_defragment = 0;
+OPTIMIZE TABLE t1;
+
 DROP TABLE t1;
 
 CREATE TABLE t1 (c POINT PRIMARY KEY, SPATIAL INDEX(c)) ENGINE=InnoDB;
@@ -30,3 +38,4 @@ OPTIMIZE TABLE t1;
 DROP TABLE t1;
 
 SET GLOBAL innodb_defragment = @innodb_defragment_orig;
+SET GLOBAL innodb_optimize_fulltext_only = @innodb_optimize_fulltext_orig;
diff --git a/storage/innobase/btr/btr0defragment.cc b/storage/innobase/btr/btr0defragment.cc
index 678668a7809..0e11b6af8a4 100644
--- a/storage/innobase/btr/btr0defragment.cc
+++ b/storage/innobase/btr/btr0defragment.cc
@@ -40,57 +40,6 @@ Modified 30/07/2014 Jan Lindström jan.lindstrom@mariadb.com
 
 #include <list>
 
-/**************************************************//**
-Custom nullptr implementation for under g++ 4.6
-*******************************************************/
-// #pragma once
-/*
-namespace std
-{
- // based on SC22/WG21/N2431 = J16/07-0301
- struct nullptr_t
- {
- template<typename any> operator any * () const
- {
- return 0;
- }
- template<class any, typename T> operator T any:: * () const
- {
- return 0;
- }
-
-#ifdef _MSC_VER
- struct pad {};
- pad __[sizeof(void*)/sizeof(pad)];
-#else
- char __[sizeof(void*)];
-#endif
-private:
- // nullptr_t();// {}
- // nullptr_t(const nullptr_t&);
- // void operator = (const nullptr_t&);
- void operator &() const;
- template<typename any> void operator +(any) const
- {
- // I Love MSVC 2005!
- }
- template<typename any> void operator -(any) const
- {
- // I Love MSVC 2005!
- }
- };
-static const nullptr_t __nullptr = {};
-}
-
-#ifndef nullptr
-#define nullptr std::__nullptr
-#endif
-*/
-
-/**************************************************//**
-End of Custom nullptr implementation for under g++ 4.6
-*******************************************************/
-
 /* When there's no work, either because defragment is disabled, or because no
 query is submitted, thread checks state every BTR_DEFRAGMENT_SLEEP_IN_USECS.*/
 #define BTR_DEFRAGMENT_SLEEP_IN_USECS		1000000
diff --git a/storage/innobase/fil/fil0fil.cc b/storage/innobase/fil/fil0fil.cc
index b9c6235f92f..28d27890f70 100644
--- a/storage/innobase/fil/fil0fil.cc
+++ b/storage/innobase/fil/fil0fil.cc
@@ -1106,7 +1106,7 @@ fil_mutex_enter_and_prepare_for_io(
 /*===============================*/
 	ulint	space_id)	/*!< in: space id */
 {
-	for (ulint count = 0, count2 = 0;;) {
+	for (ulint count = 0;;) {
 		mutex_enter(&fil_system.mutex);
 
 		if (space_id >= SRV_LOG_SPACE_FIRST_ID) {
@@ -1120,41 +1120,6 @@ fil_mutex_enter_and_prepare_for_io(
 			break;
 		}
 
-		if (space->stop_ios) {
-			ut_ad(space->id != 0);
-			/* We are going to do a rename file and want to stop
-			new i/o's for a while. */
-
-			if (count2 > 20000) {
-				ib::warn() << "Tablespace " << space->name
-					<< " has i/o ops stopped for a long"
-					" time " << count2;
-			}
-
-			mutex_exit(&fil_system.mutex);
-
-			/* Wake the i/o-handler threads to make sure pending
-			i/o's are performed */
-			os_aio_simulated_wake_handler_threads();
-
-			/* The sleep here is just to give IO helper threads a
-			bit of time to do some work. It is not required that
-			all IO related to the tablespace being renamed must
-			be flushed here as we do fil_flush() in
-			fil_rename_tablespace() as well. */
-			os_thread_sleep(20000);
-
-			/* Flush tablespaces so that we can close modified
-			files in the LRU list */
-			fil_flush_file_spaces(FIL_TYPE_TABLESPACE);
-
-			os_thread_sleep(20000);
-
-			count2++;
-
-			continue;
-		}
-
 		fil_node_t*	node = UT_LIST_GET_LAST(space->chain);
 		ut_ad(space->id == 0
 		      || node == UT_LIST_GET_FIRST(space->chain));
@@ -3027,86 +2992,33 @@ fil_rename_tablespace(
 	const char*	new_name,
 	const char*	new_path_in)
 {
-	bool		sleep		= false;
-	bool		flush		= false;
 	fil_space_t*	space;
 	fil_node_t*	node;
-	ulint		count		= 0;
 	ut_a(id != 0);
 
 	ut_ad(strchr(new_name, '/') != NULL);
-retry:
-	count++;
-
-	if (!(count % 1000)) {
-		ib::warn() << "Cannot rename file " << old_path
-			<< " (space id " << id << "), retried " << count
-			<< " times."
-			" There are either pending IOs or flushes or"
-			" the file is being extended.";
-	}
 
 	mutex_enter(&fil_system.mutex);
 
 	space = fil_space_get_by_id(id);
 
-	DBUG_EXECUTE_IF("fil_rename_tablespace_failure_1", space = NULL; );
-
 	if (space == NULL) {
 		ib::error() << "Cannot find space id " << id
 			<< " in the tablespace memory cache, though the file '"
 			<< old_path
 			<< "' in a rename operation should have that id.";
-func_exit:
 		mutex_exit(&fil_system.mutex);
 		return(false);
 	}
 
-	if (count > 25000) {
-		space->stop_ios = false;
-		goto func_exit;
-	}
-
-	/* We temporarily close the .ibd file because we do not trust that
-	operating systems can rename an open file. For the closing we have to
-	wait until there are no pending i/o's or flushes on the file. */
-
-	space->stop_ios = true;
-
 	/* The following code must change when InnoDB supports
 	multiple datafiles per tablespace. */
 	ut_a(UT_LIST_GET_LEN(space->chain) == 1);
 	node = UT_LIST_GET_FIRST(space->chain);
-
-	if (node->n_pending > 0
-	    || node->n_pending_flushes > 0
-	    || node->being_extended) {
-		/* There are pending i/o's or flushes or the file is
-		currently being extended, sleep for a while and
-		retry */
-		sleep = true;
-	} else if (node->modification_counter > node->flush_counter) {
-		/* Flush the space */
-		sleep = flush = true;
-	} else if (node->is_open()) {
-		/* Close the file */
-
-		fil_node_close_file(node);
-	}
+	space->n_pending_ops++;
 
 	mutex_exit(&fil_system.mutex);
 
-	if (sleep) {
-		os_thread_sleep(20000);
-
-		if (flush) {
-			fil_flush(id);
-		}
-
-		sleep = flush = false;
-		goto retry;
-	}
-	ut_ad(space->stop_ios);
 	char*	new_file_name = new_path_in == NULL
 		? fil_make_filepath(NULL, new_name, IBD, false)
 		: mem_strdup(new_path_in);
@@ -3125,20 +3037,14 @@ func_exit:
 	/* log_sys.mutex is above fil_system.mutex in the latching order */
 	ut_ad(log_mutex_own());
 	mutex_enter(&fil_system.mutex);
+	ut_ad(space->n_pending_ops);
+	space->n_pending_ops--;
 	ut_ad(space->name == old_space_name);
 	ut_ad(node->name == old_file_name);
 
-	bool	success;
-
-	DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
-			goto skip_rename; );
-
-	success = os_file_rename(
+	bool	success = os_file_rename(
 		innodb_data_file_key, old_file_name, new_file_name);
 
-	DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
-			skip_rename: success = false; );
-
 	ut_ad(node->name == old_file_name);
 
 	if (success) {
@@ -3159,8 +3065,6 @@ func_exit:
 		old_space_name = new_space_name;
 	}
 
-	ut_ad(space->stop_ios);
-	space->stop_ios = false;
 	mutex_exit(&fil_system.mutex);
 
 	ut_free(old_file_name);
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index c991c3de587..5c6b992bf9b 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -14308,23 +14308,22 @@ ha_innobase::optimize(
 
 	This works OK otherwise, but MySQL locks the entire table during
 	calls to OPTIMIZE, which is undesirable. */
+	bool try_alter = true;
 
 	if (srv_defragment) {
 		int err= defragment_table(
 			m_prebuilt->table->name.m_name, NULL, false);
 
 		if (err == 0) {
-			return (HA_ADMIN_OK);
+			try_alter = false;
 		} else {
 			push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN,
 					    uint(err),
 				"InnoDB: Cannot defragment table %s: returned error code %d\n",
 				m_prebuilt->table->name, err);
 
-			if (err == ER_SP_ALREADY_EXISTS) {
-				return (HA_ADMIN_OK);
-			} else {
-				return (HA_ADMIN_TRY_ALTER);
+			if(err == ER_SP_ALREADY_EXISTS) {
+				try_alter = false;
 			}
 		}
 	}
@@ -14335,11 +14334,10 @@ ha_innobase::optimize(
 			fts_sync_table(m_prebuilt->table, false, true, false);
 			fts_optimize_table(m_prebuilt->table);
 		}
-		return(HA_ADMIN_OK);
-	} else {
-
-		return(HA_ADMIN_TRY_ALTER);
+		try_alter = false;
 	}
+
+	return try_alter ? HA_ADMIN_TRY_ALTER : HA_ADMIN_OK;
 }
 
 /*******************************************************************//**
diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h
index 8f4e9d10fd9..a67a92f3b89 100644
--- a/storage/innobase/include/fil0fil.h
+++ b/storage/innobase/include/fil0fil.h
@@ -85,10 +85,6 @@ struct fil_space_t {
 				Protected by log_sys.mutex.
 				If and only if this is nonzero, the
 				tablespace will be in named_spaces. */
-	bool		stop_ios;/*!< true if we want to rename the
-				.ibd file of tablespace and want to
-				stop temporarily posting of new i/o
-				requests on the file */
 	bool		stop_new_ops;
 				/*!< we set this true when we start
 				deleting a single-table tablespace.
diff --git a/storage/innobase/include/ut0timer.h b/storage/innobase/include/ut0timer.h
index ea4dddec683..71bcd29cf48 100644
--- a/storage/innobase/include/ut0timer.h
+++ b/storage/innobase/include/ut0timer.h
@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 2013, 2014, Facebook, Inc. All Rights Reserved.
-Copyright (c) 2014, SkySQL Ab. All Rights Reserved.
+Copyright (c) 2014, 2018, MariaDB Corporation.
 
 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
@@ -19,7 +19,7 @@ this program; if not, write to the Free Software Foundation, Inc.,
 
 /********************************************************************//**
 @file include/ut0timer.h
-Timer rountines
+Timer routines
 
 Created 30/07/2014 Jan Lindström jan.lindstrom@skysql.com
 modified from https://github.com/facebook/mysql-5.6/commit/c75a413edeb96eb99bf11d7269bdfea06f96d6b6
@@ -28,8 +28,6 @@ modified from https://github.com/facebook/mysql-5.6/commit/c75a413edeb96eb99bf11
 #define ut0timer_h
 
 #include "univ.i"
-#include "data0type.h"
-#include <my_rdtsc.h>
 
 /* Current timer stats */
 extern struct my_timer_unit_info ut_timer;
@@ -48,39 +46,6 @@ UNIV_INTERN
 void ut_init_timer(void);
 
 /**************************************************************//**
-Return time passed since time then, automatically adjusted
-for the estimated timer overhead.
-@return	time passed since "then" */
-UNIV_INLINE
-ulonglong
-ut_timer_since(
-/*===========*/
-	ulonglong	then); /*!< in: time where to calculate */
-/**************************************************************//**
-Get time passed since "then", and update then to now
-@return time passed sinche "then" */
-UNIV_INLINE
-ulonglong
-ut_timer_since_and_update(
-/*======================*/
-	ulonglong	*then); /*!< in: time where to calculate */
-/**************************************************************//**
-Convert native timer units in a ulonglong into seconds in a double
-@return time in a seconds */
-UNIV_INLINE
-double
-ut_timer_to_seconds(
-/*=================*/
-	ulonglong	when); /*!< in: time where to calculate */
-/**************************************************************//**
-Convert native timer units in a ulonglong into milliseconds in a double
-@return time in milliseconds */
-UNIV_INLINE
-double
-ut_timer_to_milliseconds(
-/*=====================*/
-	ulonglong	when); /*!< in: time where to calculate */
-/**************************************************************//**
 Convert native timer units in a ulonglong into microseconds in a double
 @return time in microseconds */
 UNIV_INLINE
diff --git a/storage/innobase/include/ut0timer.ic b/storage/innobase/include/ut0timer.ic
index 46dcd0cb718..34886481efa 100644
--- a/storage/innobase/include/ut0timer.ic
+++ b/storage/innobase/include/ut0timer.ic
@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 2013, 2014, Facebook, Inc. All Rights Reserved.
-Copyright (c) 2014, SkySQL Ab. All Rights Reserved.
+Copyright (c) 2014, 2018, MariaDB Corporation.
 
 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
@@ -19,70 +19,13 @@ this program; if not, write to the Free Software Foundation, Inc.,
 
 /********************************************************************//**
 @file include/ut0timer.ic
-Timer rountines
+Timer routines
 
 Created 30/07/2014 Jan Lindström jan.lindstrom@skysql.com
 modified from https://github.com/facebook/mysql-5.6/commit/c75a413edeb96eb99bf11d7269bdfea06f96d6b6
 *************************************************************************/
 
 /**************************************************************//**
-Return time passed since time then, automatically adjusted
-for the estimated timer overhead.
-@return	time passed since "then" */
-UNIV_INLINE
-ulonglong
-ut_timer_since(
-/*===========*/
-	ulonglong	then) /*!< in: time where to calculate */
-{
-	return (ut_timer_now() - then) - ut_timer.overhead;
-}
-
-/**************************************************************//**
-Get time passed since "then", and update then to now
-@return time passed sinche "then" */
-UNIV_INLINE
-ulonglong
-ut_timer_since_and_update(
-/*======================*/
-	ulonglong	*then) /*!< in: time where to calculate */
-{
-	ulonglong now = ut_timer_now();
-	ulonglong ret = (now - (*then)) - ut_timer.overhead;
-	*then = now;
-	return ret;
-}
-
-/**************************************************************//**
-Convert native timer units in a ulonglong into seconds in a double
-@return time in a seconds */
-UNIV_INLINE
-double
-ut_timer_to_seconds(
-/*=================*/
-	ulonglong	when) /*!< in: time where to calculate */
-{
-	double ret = (double)(when);
-	ret /= (double)(ut_timer.frequency);
-	return ret;
-}
-
-/**************************************************************//**
-Convert native timer units in a ulonglong into milliseconds in a double
-@return time in milliseconds */
-UNIV_INLINE
-double
-ut_timer_to_milliseconds(
-/*=====================*/
-	ulonglong	when) /*!< in: time where to calculate */
-{
-	double ret = (double)(when);
-	ret *= 1000.0;
-	ret /= (double)(ut_timer.frequency);
-	return ret;
-}
-
-/**************************************************************//**
 Convert native timer units in a ulonglong into microseconds in a double
 @return time in microseconds */
 UNIV_INLINE
diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
index 8dcf936532a..86072dac658 100644
--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -3844,7 +3844,8 @@ os_file_create_simple_func(
 		/* Use default security attributes and no template file. */
 
 		file = CreateFile(
-			(LPCTSTR) name, access, FILE_SHARE_READ, NULL,
+			(LPCTSTR) name, access,
+			FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
 			create_flag, attributes, NULL);
 
 		if (file == INVALID_HANDLE_VALUE) {
@@ -4088,7 +4089,7 @@ os_file_create_func(
 	DWORD		create_flag;
 	DWORD		share_mode = srv_operation != SRV_OPERATION_NORMAL
 		? FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE
-		: FILE_SHARE_READ;
+		: FILE_SHARE_READ | FILE_SHARE_DELETE;
 
 	if (create_mode != OS_FILE_OPEN && create_mode != OS_FILE_OPEN_RAW) {
 		WAIT_ALLOW_WRITES();
@@ -4294,7 +4295,7 @@ os_file_create_simple_no_error_handling_func(
 	DWORD		attributes	= 0;
 	DWORD		share_mode = srv_operation != SRV_OPERATION_NORMAL
 		? FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE
-		: FILE_SHARE_READ;
+		: FILE_SHARE_READ | FILE_SHARE_DELETE;
 
 	ut_a(name);
 
diff --git a/support-files/CMakeLists.txt b/support-files/CMakeLists.txt
index 52184baef7e..b5767432fc2 100644
--- a/support-files/CMakeLists.txt
+++ b/support-files/CMakeLists.txt
@@ -41,10 +41,12 @@ ELSE()
   SET(inst_location ${INSTALL_SUPPORTFILESDIR})
 ENDIF()
 
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/wsrep.cnf.sh
-               ${CMAKE_CURRENT_BINARY_DIR}/wsrep.${ini_file_extension} @ONLY)
-INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/wsrep.${ini_file_extension}
+IF(WITH_WSREP)
+  CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/wsrep.cnf.sh
+                 ${CMAKE_CURRENT_BINARY_DIR}/wsrep.${ini_file_extension} @ONLY)
+  INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/wsrep.${ini_file_extension}
           DESTINATION ${inst_location} COMPONENT IniFiles)
+ENDIF()
 
 IF(UNIX)
   SET(prefix ${CMAKE_INSTALL_PREFIX})