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JFS: semaphore to mutex conversion.

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

build and boot tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
This commit is contained in:
Ingo Molnar
2006-01-24 15:22:50 -06:00
committed by Dave Kleikamp
parent 0a0fc0ddbe
commit 1de87444f8
15 changed files with 103 additions and 101 deletions
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14
fs/jfs/inode.c
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@@ -89,16 +89,16 @@ int jfs_commit_inode(struct inode *inode, int wait)
}
tid = txBegin(inode->i_sb, COMMIT_INODE);
down(&JFS_IP(inode)->commit_sem);
mutex_lock(&JFS_IP(inode)->commit_mutex);
/*
* Retest inode state after taking commit_sem
* Retest inode state after taking commit_mutex
*/
if (inode->i_nlink && test_cflag(COMMIT_Dirty, inode))
rc = txCommit(tid, 1, &inode, wait ? COMMIT_SYNC : 0);
txEnd(tid);
up(&JFS_IP(inode)->commit_sem);
mutex_unlock(&JFS_IP(inode)->commit_mutex);
return rc;
}
@@ -335,18 +335,18 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
tid = txBegin(ip->i_sb, 0);
/*
* The commit_sem cannot be taken before txBegin.
* The commit_mutex cannot be taken before txBegin.
* txBegin may block and there is a chance the inode
* could be marked dirty and need to be committed
* before txBegin unblocks
*/
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
newsize = xtTruncate(tid, ip, length,
COMMIT_TRUNCATE | COMMIT_PWMAP);
if (newsize < 0) {
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
break;
}
@@ -355,7 +355,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
txCommit(tid, 1, &ip, 0);
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
} while (newsize > length); /* Truncate isn't always atomic */
}