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Btrfs: unlock on error in btrfs_delalloc_reserve_metadata()
author
Dan Carpenter
<dan.carpenter@oracle.com>
Mon, 30 Jul 2012 08:15:15 +0000
(
02:15
-0600)
committer
Chris Mason
<chris.mason@oracle.com>
Tue, 28 Aug 2012 20:53:25 +0000
(16:53 -0400)
We should release this mutex before returning the error code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
fs/btrfs/extent-tree.c
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diff --git
a/fs/btrfs/extent-tree.c
b/fs/btrfs/extent-tree.c
index
4e1b153
..
45c69c4
100644
(file)
--- a/
fs/btrfs/extent-tree.c
+++ b/
fs/btrfs/extent-tree.c
@@
-4571,8
+4571,10
@@
int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
if (root->fs_info->quota_enabled) {
ret = btrfs_qgroup_reserve(root, num_bytes +
nr_extents * root->leafsize);
- if (ret)
+ if (ret) {
+ mutex_unlock(&BTRFS_I(inode)->delalloc_mutex);
return ret;
+ }
}
ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush);