1 files changed, 16 insertions, 3 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index fa57247887e3..eb2db3bde236 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2093,16 +2093,17 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
         struct inode *inode;
         int ret = 0, nr_unlink = 0, nr_truncate = 0;
 
-        path = btrfs_alloc_path();
-        if (!path)
+        if (!xchg(&root->clean_orphans, 0))
                 return;
+
+        path = btrfs_alloc_path();
+        BUG_ON(!path);
         path->reada = -1;
 
         key.objectid = BTRFS_ORPHAN_OBJECTID;
         btrfs_set_key_type(&key, BTRFS_ORPHAN_ITEM_KEY);
         key.offset = (u64)-1;
 
-
         while (1) {
                 ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
                 if (ret < 0) {
@@ -3298,6 +3299,11 @@ void btrfs_delete_inode(struct inode *inode)
         }
         btrfs_wait_ordered_range(inode, 0, (u64)-1);
 
+        if (root->fs_info->log_root_recovering) {
+                BUG_ON(!list_empty(&BTRFS_I(inode)->i_orphan));
+                goto no_delete;
+        }
+
         if (inode->i_nlink > 0) {
                 BUG_ON(btrfs_root_refs(&root->root_item) != 0);
                 goto no_delete;
@@ -3705,6 +3711,13 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
         }
         srcu_read_unlock(&root->fs_info->subvol_srcu, index);
 
+        if (root != sub_root) {
+                down_read(&root->fs_info->cleanup_work_sem);
+                if (!(inode->i_sb->s_flags & MS_RDONLY))
+                        btrfs_orphan_cleanup(sub_root);
+                up_read(&root->fs_info->cleanup_work_sem);
+        }
+
         return inode;
 }