diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index f8dc582db690..a2f3cd7a619c 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1343,6 +1343,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq) struct tree_mod_elem *tm; struct extent_buffer *eb = NULL; struct extent_buffer *eb_root; + u64 eb_root_owner = 0; struct extent_buffer *old; struct tree_mod_root *old_root = NULL; u64 old_generation = 0; @@ -1380,6 +1381,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq) free_extent_buffer(old); } } else if (old_root) { + eb_root_owner = btrfs_header_owner(eb_root); btrfs_tree_read_unlock(eb_root); free_extent_buffer(eb_root); eb = alloc_dummy_extent_buffer(fs_info, logical); @@ -1396,7 +1398,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq) if (old_root) { btrfs_set_header_bytenr(eb, eb->start); btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV); - btrfs_set_header_owner(eb, btrfs_header_owner(eb_root)); + btrfs_set_header_owner(eb, eb_root_owner); btrfs_set_header_level(eb, old_root->level); btrfs_set_header_generation(eb, old_generation); }