From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f195.google.com ([209.85.220.195]:42831 "EHLO mail-qk0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751066AbeAIRfl (ORCPT ); Tue, 9 Jan 2018 12:35:41 -0500 Received: by mail-qk0-f195.google.com with SMTP id q1so2475139qkb.9 for ; Tue, 09 Jan 2018 09:35:41 -0800 (PST) Date: Tue, 9 Jan 2018 12:35:40 -0500 From: Josef Bacik To: Liu Bo Cc: linux-btrfs@vger.kernel.org Subject: Re: [PATCH v2 10/10] Btrfs: noinline merge_extent_mapping Message-ID: <20180109173539.mgeitocd3xiwmftx@destiny> References: <20180105195117.5131-1-bo.li.liu@oracle.com> <20180105195117.5131-11-bo.li.liu@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20180105195117.5131-11-bo.li.liu@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, Jan 05, 2018 at 12:51:17PM -0700, Liu Bo wrote: > In order to debug subtle bugs around merge_extent_mapping(), perf probe > can be used to check the arguments, but sometimes merge_extent_mapping() > got inlined by compiler and couldn't be probed. > > This is adding noinline attribute to merge_extent_mapping(). > > Signed-off-by: Liu Bo Reviewed-by: Josef Bacik Thanks, Josef