Wang Shilong
2014-Jan-14 12:36 UTC
[PATCH] Btrfs: don't miss roots in deletion during walking backrefs
btrfs_read_fs_root_no_name() will check its root refs, and will
return us ENOENT if this root in deletion.
However, in some case, for example qgroup, we still need to track
those roots, fix it.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
---
fs/btrfs/backref.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 835b6c9..ec4a1d2 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -303,7 +303,7 @@ static int __resolve_indirect_ref(struct btrfs_fs_info
*fs_info,
root_key.objectid = ref->root_id;
root_key.type = BTRFS_ROOT_ITEM_KEY;
root_key.offset = (u64)-1;
- root = btrfs_read_fs_root_no_name(fs_info, &root_key);
+ root = btrfs_get_fs_root(fs_info, &root_key, false);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
goto out;
--
1.8.3.1
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