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authorWang Shilong <wangsl.fnst@cn.fujitsu.com>2014-01-23 06:47:49 +0100
committerChris Mason <clm@fb.com>2014-01-29 16:06:23 +0100
commit95def2ede1a9dd12b164932eaf5fefb67aefc41c (patch)
treeb9af144d22220cbbc08ce544ad0f0ea83a2e1537 /fs/btrfs/backref.c
parentBtrfs: fix protection between walking backrefs and root deletion (diff)
downloadlinux-95def2ede1a9dd12b164932eaf5fefb67aefc41c.tar.xz
linux-95def2ede1a9dd12b164932eaf5fefb67aefc41c.zip
Btrfs: fix to catch all errors when resolving indirect ref
We can only tolerate ENOENT here, for other errors, we should return directly. Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to '')
-rw-r--r--fs/btrfs/backref.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 10ae5700ab1e..55ffcf44b909 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -388,10 +388,16 @@ static int __resolve_indirect_refs(struct btrfs_fs_info *fs_info,
continue;
err = __resolve_indirect_ref(fs_info, path, time_seq, ref,
parents, extent_item_pos);
- if (err == -ENOMEM)
- goto out;
- if (err)
+ /*
+ * we can only tolerate ENOENT,otherwise,we should catch error
+ * and return directly.
+ */
+ if (err == -ENOENT) {
continue;
+ } else if (err) {
+ ret = err;
+ goto out;
+ }
/* we put the first parent into the ref at hand */
ULIST_ITER_INIT(&uiter);