diff options
Diffstat (limited to 'fs/btrfs/send.c')
| -rw-r--r-- | fs/btrfs/send.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index d3f3b43cae0..0efc2e2f253 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1668,6 +1668,7 @@ static int will_overwrite_ref(struct send_ctx *sctx, u64 dir, u64 dir_gen, u64 *who_ino, u64 *who_gen) { int ret = 0; + u64 gen; u64 other_inode = 0; u8 other_type = 0; @@ -1678,6 +1679,24 @@ static int will_overwrite_ref(struct send_ctx *sctx, u64 dir, u64 dir_gen, if (ret <= 0) goto out; + /* + * If we have a parent root we need to verify that the parent dir was + * not delted and then re-created, if it was then we have no overwrite + * and we can just unlink this entry. + */ + if (sctx->parent_root) { + ret = get_inode_info(sctx->parent_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; + } + ret = lookup_dir_item_inode(sctx->parent_root, dir, name, name_len, &other_inode, &other_type); if (ret < 0 && ret != -ENOENT) |