On 07/19/2018 03:05 PM, Qu Wenruo wrote:
DATA RELOC tree should also never be empty.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200407
Reported-by: Xu Wen <wen...@gatech.edu>
Signed-off-by: Qu Wenruo <w...@suse.com>
Reviewed-by: Su Yue <suy.f...@cn.fujitsu.com>
---
It's possible just fold this fix into commit "btrfs: tree-checker: Detect
invalid empty essential tree".
And for the test image, it can already be rejected by misc-next branch
by the enhanced dev-extent checker.
---
fs/btrfs/tree-checker.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 4c82a628df85..db835635372f 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -504,7 +504,8 @@ static int check_leaf(struct btrfs_fs_info *fs_info, struct
extent_buffer *leaf,
owner == BTRFS_CHUNK_TREE_OBJECTID ||
owner == BTRFS_EXTENT_TREE_OBJECTID ||
owner == BTRFS_DEV_TREE_OBJECTID ||
- owner == BTRFS_FS_TREE_OBJECTID) {
+ owner == BTRFS_FS_TREE_OBJECTID ||
+ owner == BTRFS_DATA_RELOC_TREE_OBJECTID) {
generic_err(fs_info, leaf, 0,
"invalid root, root %llu must never be empty",
owner);
--
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