From: Mingming Cao Subject: Re: [EXT4 set 1][PATCH 1/2] Add noextents mount option Date: Tue, 10 Jul 2007 16:48:33 -0400 Message-ID: <1184100513.3759.31.camel@localhost.localdomain> References: <1183275348.4010.118.camel@localhost.localdomain> <20070710163012.6e0ded75.akpm@linux-foundation.org> Reply-To: cmm@us.ibm.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org To: Andrew Morton Return-path: In-Reply-To: <20070710163012.6e0ded75.akpm@linux-foundation.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Tue, 2007-07-10 at 16:30 -0700, Andrew Morton wrote: > On Sun, 01 Jul 2007 03:35:48 -0400 > Mingming Cao wrote: > > > Add a mount option to turn off extents. > > Please update the changelog to describe the reason for making this change. > > Sure, I will update the changelog, mainly this is for wide testing of extents feature in ext4dev. > > 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\" " > > > > > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/