From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752656AbcCAJA5 (ORCPT ); Tue, 1 Mar 2016 04:00:57 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:41235 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752076AbcCAJAz (ORCPT ); Tue, 1 Mar 2016 04:00:55 -0500 X-AuditID: cbfee61a-f79266d000003652-c3-56d55a440008 From: Chao Yu To: "'Yang Shi'" , jaegeuk@kernel.org, cm224.lee@samsung.com, tglx@linutronix.de, rostedt@goodmis.org, bigeasy@linutronix.de Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-rt-users@vger.kernel.org, linaro-kernel@lists.linaro.org References: <1456532725-4126-1-git-send-email-yang.shi@linaro.org> In-reply-to: <1456532725-4126-1-git-send-email-yang.shi@linaro.org> Subject: RE: [PATCH] f2fs: mutex can't be used by down_write_nest_lock() Date: Tue, 01 Mar 2016 16:59:39 +0800 Message-id: <00d101d17398$dbbaca10$93305e30$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: AQG1uJYsencY64H3Hb/6PvIzULyP6Z97kCmQ Content-language: zh-cn X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrGIsWRmVeSWpSXmKPExsVy+t9jAV3XqKthBm9OsVpMuziJ2eLavkYm iyfrZzFbvD/0jNni0iJ3iz17T7JYXN41h83i9MQeZot9HQ+YLDZvmspssWjJX2YHbo+WfbfY PTat6mTzuHNtD5vHu3Pn2D1u/3vM7LF7wWcmj74tqxg9Pm+SC+CI4rJJSc3JLEst0rdL4Mq4 1rufteAZa8Xbnn1MDYytrF2MnBwSAiYSkx7vY4OwxSQu3FsPZHNxCAksZZRoPPGdHcJ5xShx 5+AJJpAqNgEVieUd/5lAEiICkxklrm/uBXOYBVYzSmxt2g5WJSTgJPFiy0J2EJtTwFnixem5 LCC2sICHxJ9pB8HiLAKqEn2v/oHt5hWwlPh15woLhC0o8WPyPTCbWUBLYv3O40wQtrzE5jVv mSFuVZDYcfY1YxcjB9AVRhJnVnpClIhLbDxyi2UCo9AsJJNmIZk0C8mkWUhaFjCyrGKUSC1I LihOSs81zEst1ytOzC0uzUvXS87P3cQIjr1nUjsYD+5yP8QowMGoxMM7Y+mVMCHWxLLiytxD jBIczEoivIqRV8OEeFMSK6tSi/Lji0pzUosPMUpzsCiJ8z7+vy5MSCA9sSQ1OzW1ILUIJsvE wSnVwBiVL5PurZr4ZYaI8cHrK1Yftt227EzW0vNKWiIc0y8KnN/A8S+m8/Qm7a6M1C0J0U1/ Hyw46/hUeP/2hTn3bmhp7lmx9mryrWpmlROV7JP/fu3fbcRc/cs0z399+t8ivdCNt6s4XrNu 8ajL/KZ33XmmeM1Jj4OGrTd437PtX3Xz08L3nyeL6PArsRRnJBpqMRcVJwIA/woIjbkCAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Yang, > -----Original Message----- > From: Yang Shi [mailto:yang.shi@linaro.org] > Sent: Saturday, February 27, 2016 8:25 AM > To: jaegeuk@kernel.org; cm224.lee@samsung.com; chao2.yu@samsung.com; tglx@linutronix.de; > rostedt@goodmis.org; bigeasy@linutronix.de > Cc: linux-kernel@vger.kernel.org; linux-f2fs-devel@lists.sourceforge.net; > linux-fsdevel@vger.kernel.org; linux-rt-users@vger.kernel.org; > linaro-kernel@lists.linaro.org; yang.shi@linaro.org > Subject: [PATCH] f2fs: mutex can't be used by down_write_nest_lock() > > fsf2_lock_all() calls down_write_nest_lock() to acquire a rw_sem and check Nitpick, f2fs_lock_all(). Anyway, this patch looks good to me. Reviewed-by: Chao Yu