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authorJan Kara <jack@suse.cz>2012-04-25 21:28:12 +0200
committerJan Kara <jack@suse.cz>2012-05-15 23:34:38 +0200
commit67f1648d217c3b8165ca114c7838164f31e15790 (patch)
tree9c9fcd9dce9d7c3a1ad7863a4cdcbcf5ec235924 /fs/reiserfs
parent0b7f7cefaea96ef25dbe54b8e16d2d61560d8b9d (diff)
downloadvexpress-lsk-67f1648d217c3b8165ca114c7838164f31e15790.tar.gz
reiserfs: Remove i_mutex use from reiserfs_quota_write()
We don't need i_mutex in reiserfs_quota_write() because writes to quota file are serialized by dqio_mutex anyway. Changes to quota files outside of quota code are forbidded and enforced by NOATIME and IMMUTABLE bits. Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/super.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 8b7616ef06d..c07b7d70944 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2270,7 +2270,6 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
(unsigned long long)off, (unsigned long long)len);
return -EIO;
}
- mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
sb->s_blocksize - offset : towrite;
@@ -2302,16 +2301,13 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
blk++;
}
out:
- if (len == towrite) {
- mutex_unlock(&inode->i_mutex);
+ if (len == towrite)
return err;
- }
if (inode->i_size < off + len - towrite)
i_size_write(inode, off + len - towrite);
inode->i_version++;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
- mutex_unlock(&inode->i_mutex);
return len - towrite;
}