diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index f51b509f2d9b861c92ab323c3f1c8e26ad08e780..e9522f2f25ccbc41370a6dba7ecac68a3b447a23 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1939,12 +1939,19 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root) } inode_id = delayed_nodes[n - 1]->inode_id + 1; - - for (i = 0; i < n; i++) - refcount_inc(&delayed_nodes[i]->refs); + for (i = 0; i < n; i++) { + /* + * Don't increase refs in case the node is dead and + * about to be removed from the tree in the loop below + */ + if (!refcount_inc_not_zero(&delayed_nodes[i]->refs)) + delayed_nodes[i] = NULL; + } spin_unlock(&root->inode_lock); for (i = 0; i < n; i++) { + if (!delayed_nodes[i]) + continue; __btrfs_kill_delayed_node(delayed_nodes[i]); btrfs_release_delayed_node(delayed_nodes[i]); }