1 files changed, 5 insertions, 1 deletions

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index cc8ca193d830..8ad529e3e67e 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -176,7 +176,11 @@ static void start_caching(struct btrfs_root *root)
 
         tsk = kthread_run(caching_kthread, root, "btrfs-ino-cache-%llu\n",
                           root->root_key.objectid);
-        BUG_ON(IS_ERR(tsk)); /* -ENOMEM */
+        if (IS_ERR(tsk)) {
+                btrfs_warn(root->fs_info, "failed to start inode caching task");
+                btrfs_clear_and_info(root, CHANGE_INODE_CACHE,
+                                "disabling inode map caching");
+        }
 }
 
 int btrfs_find_free_ino(struct btrfs_root *root, u64 *objectid)