From: Robbie Ko <robbi...@synology.com>
There a some case similar as before.
add check parent generation in the did_overwrite_ref.
Signed-off-by: Robbie Ko <robbi...@synology.com>
---
fs/btrfs/send.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index d908624..e090db2 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1939,6 +1939,19 @@ static int did_overwrite_ref(struct send_ctx *sctx,
if (ret <= 0)
goto out;
+ if (dir != BTRFS_FIRST_FREE_OBJECTID) {
+ ret = get_inode_info(sctx->send_root, dir, NULL, &gen, NULL,
+ NULL, NULL, NULL);
+ if (ret < 0 && ret != -ENOENT)
+ goto out;
+ if (ret) {
+ ret = 0;
+ goto out;
+ }
+ if (gen != dir_gen)
+ goto out;
+ }
+
/* check if the ref was overwritten by another ref */
ret = lookup_dir_item_inode(sctx->send_root, dir, name, name_len,
&ow_inode, &other_type);
--
1.9.1
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