From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:58656 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750957AbdFTMPO (ORCPT ); Tue, 20 Jun 2017 08:15:14 -0400 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 39B74AAB9 for ; Tue, 20 Jun 2017 12:15:13 +0000 (UTC) From: jeffm@suse.com To: linux-btrfs@vger.kernel.org Cc: Jeff Mahoney Subject: [PATCH] btrfs: add cond_resched to btrfs_qgroup_trace_leaf_items Date: Tue, 20 Jun 2017 08:15:26 -0400 Message-Id: <20170620121526.13661-1-jeffm@suse.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: From: Jeff Mahoney On an uncontended system, we can end up hitting soft lockups while doing replace_path. At the core, and frequently called is btrfs_qgroup_trace_leaf_items, so it makes sense to add a cond_resched there. Signed-off-by: Jeff Mahoney --- fs/btrfs/qgroup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index deffbeb74a0b..7a3cfa22e178 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1559,6 +1559,7 @@ int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, if (ret) return ret; } + cond_resched(); return 0; } -- 2.11.0