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-rw-r--r--fs/btrfs/relocation.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 0ec8ffa37ab0..c4af0cdb783d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2728,7 +2728,14 @@ static int do_relocation(struct btrfs_trans_handle *trans,
bytenr = btrfs_node_blockptr(upper->eb, slot);
if (lowest) {
- BUG_ON(bytenr != node->bytenr);
+ if (bytenr != node->bytenr) {
+ btrfs_err(root->fs_info,
+ "lowest leaf/node mismatch: bytenr %llu node->bytenr %llu slot %d upper %llu",
+ bytenr, node->bytenr, slot,
+ upper->eb->start);
+ err = -EIO;
+ goto next;
+ }
} else {
if (node->eb->start == bytenr)
goto next;