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Btrfs: unlock on error in btrfs_delalloc_reserve_metadata()

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We should release this mutex before returning the error code.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
This commit is contained in:
Dan Carpenter 2012-07-30 02:15:15 -06:00 committed by Chris Mason
parent 57a5a88203
commit 55e591ffde
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/extent-tree.c
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@ -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);