1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index e50316c4af15..1f0ec19b23f6 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -556,6 +556,9 @@ int btrfs_find_free_objectid(struct btrfs_root *root, u64 *objectid)
         mutex_lock(&root->objectid_mutex);
 
         if (unlikely(root->highest_objectid >= BTRFS_LAST_FREE_OBJECTID)) {
+                btrfs_warn(root->fs_info,
+                           "the objectid of root %llu reaches its highest value",
+                           root->root_key.objectid);
                 ret = -ENOSPC;
                 goto out;
         }