We should release this mutex before returning the error code.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Applies to linux-next.
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4e1b153..45c69c4 100644
--- 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);
--
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