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[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

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This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.

Modified-by: Ingo Molnar <mingo@elte.hu>

(finished the conversion)

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jes Sorensen
2006-01-09 15:59:24 -08:00
committed by Ingo Molnar
parent 794ee1baee
commit 1b1dcc1b57
113 changed files with 563 additions and 573 deletions
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6
fs/ufs/super.c
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@@ -1275,7 +1275,7 @@ static ssize_t ufs_quota_write(struct super_block *sb, int type,
size_t towrite = len;
struct buffer_head *bh;
down(&inode->i_sem);
mutex_lock(&inode->i_mutex);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
sb->s_blocksize - offset : towrite;
@@ -1297,7 +1297,7 @@ static ssize_t ufs_quota_write(struct super_block *sb, int type,
}
out:
if (len == towrite) {
up(&inode->i_sem);
mutex_unlock(&inode->i_mutex);
return err;
}
if (inode->i_size < off+len-towrite)
@@ -1305,7 +1305,7 @@ out:
inode->i_version++;
inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
up(&inode->i_sem);
mutex_unlock(&inode->i_mutex);
return len - towrite;
}