From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756499AbXGAHgW (ORCPT ); Sun, 1 Jul 2007 03:36:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756114AbXGAHfw (ORCPT ); Sun, 1 Jul 2007 03:35:52 -0400 Received: from e5.ny.us.ibm.com ([32.97.182.145]:54083 "EHLO e5.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755956AbXGAHfu (ORCPT ); Sun, 1 Jul 2007 03:35:50 -0400 Subject: [EXT4 set 1][PATCH 1/2] Add noextents mount option From: Mingming Cao Reply-To: cmm@us.ibm.com To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Content-Type: text/plain Organization: IBM Linux Technology Center Date: Sun, 01 Jul 2007 03:35:48 -0400 Message-Id: <1183275348.4010.118.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.8.0 (2.8.0-33.el5) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Add a mount option to turn off extents. Signed-off-by: Mingming Cao --- Index: linux-2.6.22-rc4/fs/ext4/super.c =================================================================== --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 17:02:18.000000000 -0700 +++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-11 17:02:22.000000000 -0700 @@ -725,7 +725,7 @@ Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota, Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota, Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota, - Opt_grpquota, Opt_extents, + Opt_grpquota, Opt_extents, Opt_noextents, }; static match_table_t tokens = { @@ -776,6 +776,7 @@ {Opt_usrquota, "usrquota"}, {Opt_barrier, "barrier=%u"}, {Opt_extents, "extents"}, + {Opt_noextents, "noextents"}, {Opt_err, NULL}, {Opt_resize, "resize"}, }; @@ -1111,6 +1112,9 @@ case Opt_extents: set_opt (sbi->s_mount_opt, EXTENTS); break; + case Opt_noextents: + clear_opt (sbi->s_mount_opt, EXTENTS); + break; default: printk (KERN_ERR "EXT4-fs: Unrecognized mount option \"%s\" "