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authorunknown <jani@hynda.mysql.fi>2007-09-27 17:05:07 +0300
committerunknown <jani@hynda.mysql.fi>2007-09-27 17:05:07 +0300
commitf4afcec393e9c75531220c1fe1f5d387891549fa (patch)
treef199672f3b02bf9f3109ee96272febb917f2e036 /mysys/mf_keycache.c
parent9a640f848e465f2bebd27072fa651a230e9632f9 (diff)
parent8b5dddbc006afe8f6dae8408cea7481c17dade72 (diff)
downloadmariadb-git-f4afcec393e9c75531220c1fe1f5d387891549fa.tar.gz
Merge hynda.mysql.fi:/home/my/mysql-5.1-main
into hynda.mysql.fi:/home/my/mysql-maria BitKeeper/etc/ignore: auto-union BUILD/SETUP.sh: Auto merged BitKeeper/deleted/.del-CMakeLists.txt~99a50df6: Auto merged Makefile.am: Auto merged client/mysqldump.c: Auto merged configure.in: Auto merged include/Makefile.am: Auto merged include/keycache.h: Auto merged include/m_string.h: Auto merged include/my_sys.h: Auto merged libmysqld/Makefile.am: Auto merged mysql-test/extra/rpl_tests/rpl_insert_delayed.test: Auto merged mysql-test/lib/mtr_cases.pl: Auto merged mysql-test/lib/mtr_misc.pl: Auto merged mysql-test/lib/mtr_process.pl: Auto merged mysql-test/lib/mtr_report.pl: Auto merged mysql-test/lib/mtr_timer.pl: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/r/alter_table.result: Auto merged mysql-test/r/merge.result: Auto merged mysql-test/r/mysqldump.result: Auto merged mysql-test/r/query_cache.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/view.result: Auto merged mysql-test/suite/ndb/r/ps_7ndb.result: Auto merged mysql-test/suite/rpl/r/rpl_events.result: Auto merged mysql-test/suite/rpl/r/rpl_insert.result: Auto merged mysql-test/suite/rpl/r/rpl_row_insert_delayed.result: Auto merged mysql-test/suite/rpl/r/rpl_stm_flsh_tbls.result: Auto merged mysql-test/suite/rpl/r/rpl_stm_insert_delayed.result: Auto merged mysql-test/suite/rpl/r/rpl_switch_stm_row_mixed.result: Auto merged mysql-test/suite/rpl/t/rpl_insert.test: Auto merged mysql-test/suite/rpl/t/rpl_stm_flsh_tbls.test: Auto merged mysql-test/suite/rpl/t/rpl_switch_stm_row_mixed.test: Auto merged mysql-test/t/alter_table.test: Auto merged mysql-test/t/myisam.test: Auto merged mysql-test/t/mysqldump.test: Auto merged mysql-test/t/query_cache.test: Auto merged mysql-test/t/subselect.test: Auto merged mysql-test/t/view.test: Auto merged mysys/array.c: Auto merged mysys/mf_keycache.c: Auto merged mysys/my_init.c: Auto merged mysys/my_symlink2.c: Auto merged mysys/safemalloc.c: Auto merged mysys/thr_lock.c: Auto merged sql/Makefile.am: Auto merged sql/filesort.cc: Auto merged sql/ha_ndbcluster.cc: Auto merged sql/ha_partition.cc: Auto merged sql/ha_partition.h: Auto merged sql/handler.h: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/item_xmlfunc.cc: Auto merged sql/lock.cc: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/net_serv.cc: Auto merged sql/opt_range.cc: Auto merged sql/set_var.cc: Auto merged sql/slave.cc: Auto merged sql/slave.h: Auto merged sql/sql_class.cc: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_table.cc: Auto merged sql/share/errmsg.txt: Auto merged sql/sql_test.cc: Auto merged sql/table.h: Auto merged sql/udf_example.c: Auto merged sql/uniques.cc: Auto merged sql/unireg.cc: Auto merged storage/csv/ha_tina.h: Auto merged storage/myisam/ft_boolean_search.c: Auto merged storage/myisam/ft_nlq_search.c: Auto merged storage/myisam/ft_parser.c: Auto merged storage/myisam/ft_stopwords.c: Auto merged storage/myisam/ha_myisam.cc: Auto merged storage/myisam/ha_myisam.h: Auto merged storage/myisam/mi_check.c: Auto merged storage/myisam/mi_create.c: Auto merged storage/myisam/mi_delete.c: Auto merged storage/myisam/mi_dynrec.c: Auto merged storage/myisam/mi_extra.c: Auto merged storage/myisam/mi_key.c: Auto merged storage/myisam/mi_locking.c: Auto merged storage/myisam/mi_log.c: Auto merged storage/myisam/mi_packrec.c: Auto merged storage/myisam/mi_rkey.c: Auto merged storage/myisam/mi_search.c: Auto merged storage/myisam/mi_test1.c: Auto merged storage/myisam/mi_test2.c: Auto merged storage/myisam/mi_update.c: Auto merged storage/myisam/mi_write.c: Auto merged storage/myisam/myisamchk.c: Auto merged storage/myisam/myisamlog.c: Auto merged storage/myisam/myisampack.c: Auto merged storage/myisam/sort.c: Auto merged storage/myisam/sp_test.c: Auto merged storage/myisammrg/ha_myisammrg.cc: Auto merged storage/myisammrg/ha_myisammrg.h: Auto merged storage/ndb/src/mgmapi/mgmapi.cpp: Auto merged support-files/compiler_warnings.supp: Auto merged client/mysqltest.c: Manual merge between mysql-5.1 and mysql-maria include/my_base.h: Manual merge between mysql-5.1 and mysql-maria include/my_global.h: Manual merge between mysql-5.1 and mysql-maria include/myisam.h: Manual merge between mysql-5.1 and mysql-maria libmysql/Makefile.shared: Manual merge between mysql-5.1 and mysql-maria mysql-test/r/events_logs_tests.result: Manual merge between mysql-5.1 and mysql-maria mysql-test/suite/rpl/r/rpl_row_flsh_tbls.result: Manual merge between mysql-5.1 and mysql-maria mysql-test/suite/rpl/t/rpl_row_flsh_tbls.test: Manual merge between mysql-5.1 and mysql-maria mysql-test/t/disabled.def: Manual merge between mysql-5.1 and mysql-maria mysql-test/t/events_logs_tests.test: Manual merge between mysql-5.1 and mysql-maria mysys/my_compress.c: Manual merge between mysql-5.1 and mysql-maria mysys/my_getsystime.c: Manual merge between mysql-5.1 and mysql-maria mysys/my_open.c: Manual merge between mysql-5.1 and mysql-maria sql/handler.cc: Manual merge between mysql-5.1 and mysql-maria sql/set_var.h: Manual merge between mysql-5.1 and mysql-maria sql/sql_class.h: Manual merge between mysql-5.1 and mysql-maria sql/sql_show.cc: Manual merge between mysql-5.1 and mysql-maria sql/sql_sort.h: Manual merge between mysql-5.1 and mysql-maria sql/sql_yacc.yy: Manual merge between mysql-5.1 and mysql-maria sql/table.cc: Manual merge between mysql-5.1 and mysql-maria storage/csv/ha_tina.cc: Manual merge between mysql-5.1 and mysql-maria storage/myisam/mi_open.c: Manual merge between mysql-5.1 and mysql-maria storage/myisam/myisamdef.h: Manual merge between mysql-5.1 and mysql-maria unittest/mysys/my_atomic-t.c: Manual merge between mysql-5.1 and mysql-maria
Diffstat (limited to 'mysys/mf_keycache.c')
-rw-r--r--mysys/mf_keycache.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/mysys/mf_keycache.c b/mysys/mf_keycache.c
index c81da9a469a..ea05ea6e127 100644
--- a/mysys/mf_keycache.c
+++ b/mysys/mf_keycache.c
@@ -105,6 +105,7 @@
#include <keycache.h>
#include "my_static.h"
#include <m_string.h>
+#include <my_bit.h>
#include <errno.h>
#include <stdarg.h>
@@ -1262,12 +1263,12 @@ static void unlink_block(KEY_CACHE *keycache, BLOCK_LINK *block)
KEYCACHE_THREAD_TRACE("unlink_block");
#if defined(KEYCACHE_DEBUG)
+ KEYCACHE_DBUG_ASSERT(keycache->blocks_available != 0);
keycache->blocks_available--;
KEYCACHE_DBUG_PRINT("unlink_block",
("unlinked block %u status=%x #requests=%u #available=%u",
BLOCK_NUMBER(block), block->status,
block->requests, keycache->blocks_available));
- KEYCACHE_DBUG_ASSERT(keycache->blocks_available >= 0);
#endif
}
@@ -2360,9 +2361,9 @@ restart:
(block->hash_link->diskpos == filepos)));
*page_st=page_status;
KEYCACHE_DBUG_PRINT("find_key_block",
- ("fd: %d pos: %lu block->status: %u page_status: %u",
+ ("fd: %d pos: %lu block->status: %u page_status: %d",
file, (ulong) filepos, block->status,
- (uint) page_status));
+ page_status));
#if !defined(DBUG_OFF) && defined(EXTRA_DEBUG)
DBUG_EXECUTE("check_keycache2",
@@ -2513,10 +2514,10 @@ static void read_block(KEY_CACHE *keycache,
*/
uchar *key_cache_read(KEY_CACHE *keycache,
- File file, my_off_t filepos, int level,
- uchar *buff, uint length,
- uint block_length __attribute__((unused)),
- int return_buffer __attribute__((unused)))
+ File file, my_off_t filepos, int level,
+ uchar *buff, uint length,
+ uint block_length __attribute__((unused)),
+ int return_buffer __attribute__((unused)))
{
my_bool locked_and_incremented= FALSE;
int error=0;
@@ -2534,12 +2535,13 @@ uchar *key_cache_read(KEY_CACHE *keycache,
uint status;
int page_st;
- /*
+
+ /*
When the key cache is once initialized, we use the cache_lock to
reliably distinguish the cases of normal operation, resizing, and
disabled cache. We always increment and decrement
'cnt_for_resize_op' so that a resizer can wait for pending I/O.
- */
+ */
keycache_pthread_mutex_lock(&keycache->cache_lock);
/*
Cache resizing has two phases: Flushing and re-initializing. In
@@ -2566,7 +2568,7 @@ uchar *key_cache_read(KEY_CACHE *keycache,
do
{
/* Cache could be disabled in a later iteration. */
-
+
if (!keycache->can_be_used)
goto no_key_cache;
/* Start reading at the beginning of the cache block. */
@@ -2976,9 +2978,10 @@ int key_cache_write(KEY_CACHE *keycache,
int error=0;
DBUG_ENTER("key_cache_write");
DBUG_PRINT("enter",
- ("fd: %u pos: %lu length: %u block_length: %u key_block_length: %u",
- (uint) file, (ulong) filepos, length, block_length,
- keycache ? keycache->key_cache_block_size : 0));
+ ("fd: %u pos: %lu length: %u block_length: %u"
+ " key_block_length: %u",
+ (uint) file, (ulong) filepos, length, block_length,
+ keycache ? keycache->key_cache_block_size : 0));
if (!dont_write)
{
@@ -3170,7 +3173,7 @@ int key_cache_write(KEY_CACHE *keycache,
if (!dont_write)
{
- /* Not used in the server. buff has been written to disk at start. */
+ /* Not used in the server. buff has been written to disk at start. */
if ((block->status & BLOCK_CHANGED) &&
(!offset && read_length >= keycache->key_cache_block_size))
link_to_file_list(keycache, block, block->hash_link->file, 1);
@@ -3184,7 +3187,6 @@ int key_cache_write(KEY_CACHE *keycache,
a flush.
*/
block->status&= ~BLOCK_FOR_UPDATE;
-
set_if_smaller(block->offset, offset);
set_if_bigger(block->length, read_length+offset);