From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752101AbbIFJnJ (ORCPT ); Sun, 6 Sep 2015 05:43:09 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:33000 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751177AbbIFJnD (ORCPT ); Sun, 6 Sep 2015 05:43:03 -0400 X-AuditID: cbfee61b-f79d56d0000048c5-c7-55ec0aa4c9ee From: Chao Yu To: "'Nicholas Krause'" , jaegeuk@kernel.org Cc: cm224.lee@samsung.com, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org References: <1441474037-6931-1-git-send-email-xerofoify@gmail.com> In-reply-to: <1441474037-6931-1-git-send-email-xerofoify@gmail.com> Subject: RE: [PATCH] f2fs:Fix locking requirements in the function recover_dentry Date: Sun, 06 Sep 2015 17:41:45 +0800 Message-id: <009501d0e888$6b679090$4236b1b0$@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: AQInG3pnK1kaG+yPWSByp4f3S8wZq52Chl3w Content-language: zh-cn X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMLMWRmVeSWpSXmKPExsVy+t9jQd2lXG9CDX5MZ7W4tq+RyeLJ+lnM FpcWuVtc3jWHzeLXFFkHVo+ds+6ye2xa1cnmsXvBZyaPvi2rGD0+b5ILYI3isklJzcksSy3S t0vgyvg6/SFbwRW2isfzT7I3MN5g7WLk5JAQMJH48OwEO4QtJnHh3no2EFtIYBajxN4Gdwj7 FaPEzpeGIDabgIrE8o7/TF2MHBwiAvYSv7q4QcLMAokSNz68Y4Iod5LomHsErIRTwFnicg8P SFhYIFjifct0RhCbRUBV4tHPtWDlvAKWEldun2WFsAUlfky+xwIxUkti/c7jTBC2vMTmNW+Z Ia5UkNhx9jXYHBEBI4l9y9+wQdSIS2w8cotlAqPQLCSjZiEZNQvJqFlIWhYwsqxilEgtSC4o TkrPNcpLLdcrTswtLs1L10vOz93ECI6KZ9I7GA/vcj/EKMDBqMTD+yLndagQa2JZcWXuIUYJ DmYlEd7pr1+FCvGmJFZWpRblxxeV5qQWH2KU5mBREueVXfksVEggPbEkNTs1tSC1CCbLxMEp 1cBoePfImiAVqQPZh08K7t+z72Wm8noLjtq5EhPOnDjQW80Y86YwZW7MokvxF6RVFQ96ySz8 umL28tDI5r+R1+5uWlzrNK1G4b+HPOvbW1MrtL7z7hCILoqf+2D9veCqiT8WZa2bU5FUddBz uk9FYaCEzi4B3lclAvrcJS7VGgukf7pejPmoscNYiaU4I9FQi7moOBEALD5h5oYCAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Nicholas Krause [mailto:xerofoify@gmail.com] > Sent: Sunday, September 06, 2015 1:27 AM > To: jaegeuk@kernel.org > Cc: cm224.lee@samsung.com; chao2.yu@samsung.com; linux-f2fs-devel@lists.sourceforge.net; > linux-kernel@vger.kernel.org > Subject: [PATCH] f2fs:Fix locking requirements in the function recover_dentry > > This fixes locking requirements in the function recover_dentry to > properly lock the critical region between the labels retry and out > with the read/write semaphone of the f2fs's superblock representation > in order to protect against other concurrent threads of execution The protecting is not needed, I've already relayed in last thread, please refer to the link below: http://www.gossamer-threads.com/lists/linux/kernel/2234556?do=post_view_threaded#2234556 Thanks,