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[PATCH] sem2mutex: fs/

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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 <mingo@elte.hu>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-03-26 01:37:12 -08:00
committed by Linus Torvalds
parent e655a250d5
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;
}