From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor2.suse.de ([195.135.220.15]:49415 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751665AbaE2QBc (ORCPT ); Thu, 29 May 2014 12:01:32 -0400 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id B3D6CAC50 for ; Thu, 29 May 2014 16:01:29 +0000 (UTC) Date: Thu, 29 May 2014 18:01:29 +0200 From: David Sterba To: Jeff Mahoney Cc: linux-btrfs Subject: Re: [PATCH] btrfs: free delayed node outside of root->inode_lock Message-ID: <20140529160129.GF29992@suse.cz> Reply-To: dsterba@suse.cz References: <5384D110.1070006@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <5384D110.1070006@suse.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, May 27, 2014 at 01:53:20PM -0400, Jeff Mahoney wrote: > On heavy workloads, we're seeing soft lockup warnings on > root->inode_lock in __btrfs_release_delayed_node. The low hanging fruit > is to reduce the size of the critical section. > > Signed-off-by: Jeff Mahoney Reviewed-by: David Sterba