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[PATCH] sem2mutex: fs/

Browse source 
Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <[email protected]>
Cc: Eric Van Hensbergen <[email protected]>
Cc: Robert Love <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Trond Myklebust <[email protected]>
Cc: Dave Kleikamp <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ingo Molnar 2006-03-26 01:37:12 -08:00 • committed by Linus Torvalds
commit 353ab6e97b
11 changed files with 99 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

27
fs/jfs/jfs_logmgr.c
View file

@ -69,6 +69,7 @@
#include <linux/bio.h>
#include <linux/suspend.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
@ -165,7 +166,7 @@ do { \
*/
static LIST_HEAD(jfs_external_logs);
static struct jfs_log *dummy_log = NULL;
static DECLARE_MUTEX(jfs_log_sem);
static DEFINE_MUTEX(jfs_log_mutex);
/*
* forward references
@ -1085,20 +1086,20 @@ int lmLogOpen(struct super_block *sb)
if (sbi->mntflag & JFS_INLINELOG)
return open_inline_log(sb);
down(&jfs_log_sem);
mutex_lock(&jfs_log_mutex);
list_for_each_entry(log, &jfs_external_logs, journal_list) {
if (log->bdev->bd_dev == sbi->logdev) {
if (memcmp(log->uuid, sbi->loguuid,
sizeof(log->uuid))) {
jfs_warn("wrong uuid on JFS journal\n");
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return -EINVAL;
}
/*
* add file system to log active file system list
*/
if ((rc = lmLogFileSystem(log, sbi, 1))) {
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return rc;
}
goto journal_found;
@ -1106,7 +1107,7 @@ int lmLogOpen(struct super_block *sb)
}
if (!(log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL))) {
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return -ENOMEM;
}
INIT_LIST_HEAD(&log->sb_list);
@ -1151,7 +1152,7 @@ journal_found:
sbi->log = log;
LOG_UNLOCK(log);
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return 0;
/*
@ -1168,7 +1169,7 @@ journal_found:
blkdev_put(bdev);
free: /* free log descriptor */
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
kfree(log);
jfs_warn("lmLogOpen: exit(%d)", rc);
@ -1212,11 +1213,11 @@ static int open_dummy_log(struct super_block *sb)
{
int rc;
down(&jfs_log_sem);
mutex_lock(&jfs_log_mutex);
if (!dummy_log) {
dummy_log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL);
if (!dummy_log) {
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return -ENOMEM;
}
INIT_LIST_HEAD(&dummy_log->sb_list);
@ -1229,7 +1230,7 @@ static int open_dummy_log(struct super_block *sb)
if (rc) {
kfree(dummy_log);
dummy_log = NULL;
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return rc;
}
}
@ -1238,7 +1239,7 @@ static int open_dummy_log(struct super_block *sb)
list_add(&JFS_SBI(sb)->log_list, &dummy_log->sb_list);
JFS_SBI(sb)->log = dummy_log;
LOG_UNLOCK(dummy_log);
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
return 0;
}
@ -1466,7 +1467,7 @@ int lmLogClose(struct super_block *sb)
jfs_info("lmLogClose: log:0x%p", log);
down(&jfs_log_sem);
mutex_lock(&jfs_log_mutex);
LOG_LOCK(log);
list_del(&sbi->log_list);
LOG_UNLOCK(log);
@ -1516,7 +1517,7 @@ int lmLogClose(struct super_block *sb)
kfree(log);
out:
up(&jfs_log_sem);
mutex_unlock(&jfs_log_mutex);
jfs_info("lmLogClose: exit(%d)", rc);
return rc;
}