3.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: David Sterba <dste...@suse.cz>
commit 9c4f61f01d269815bb7c37be3ede59c5587747c6 upstream.
We can search and add the orphan item in one go,
btrfs_insert_orphan_item will find out if the item already exists.
Signed-off-by: David Sterba <dste...@suse.cz>
Cc: Chris Mason <c...@fb.com>
Cc: Roman Mamedov <r...@romanrm.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/btrfs/tree-log.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1266,21 +1266,13 @@ out:
}
static int insert_orphan_item(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, u64 offset)
+ struct btrfs_root *root, u64 ino)
{
int ret;
- struct btrfs_path *path;
- path = btrfs_alloc_path();
- if (!path)
- return -ENOMEM;
-
- ret = btrfs_find_item(root, path, BTRFS_ORPHAN_OBJECTID,
- offset, BTRFS_ORPHAN_ITEM_KEY, NULL);
- if (ret > 0)
- ret = btrfs_insert_orphan_item(trans, root, offset);
-
- btrfs_free_path(path);
+ ret = btrfs_insert_orphan_item(trans, root, ino);
+ if (ret == -EEXIST)
+ ret = 0;
return ret;
}
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