Btrfs: add correct parent to check_dirs when dir got moved

We only added the parent for the new position of a moved dir.
We also need to add the old parent of the moved dir.

Reported-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
Signed-off-by: Alexander Block <ablock84@googlemail.com>

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 9e3f6d1..328654e 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -2805,6 +2805,17 @@ verbose_printk("btrfs: process_recorded_refs %llu\n", sctx->cur_ino);
                        if (ret < 0)
                                goto out;
                }
+       } else if (S_ISDIR(sctx->cur_inode_mode) &&
+                  !list_empty(&sctx->deleted_refs)) {
+               /*
+                * We have a moved dir. Add the old parent to check_dirs
+                */
+               cur = list_entry(sctx->deleted_refs.next, struct recorded_ref,
+                               list);
+               ret = ulist_add(check_dirs, cur->dir, cur->dir_gen,
+                               GFP_NOFS);
+               if (ret < 0)
+                       goto out;
        } else if (!S_ISDIR(sctx->cur_inode_mode)) {
                /*
                 * We have a non dir inode. Go through all deleted refs and