From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp2130.oracle.com ([141.146.126.79]:34962 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753431AbeBAADM (ORCPT ); Wed, 31 Jan 2018 19:03:12 -0500 Date: Wed, 31 Jan 2018 16:03:06 -0800 From: "Darrick J. Wong" Subject: Re: [PATCH 1/4] xfs: add scrub to XFS_BUILD_OPTIONS Message-ID: <20180201000306.GI4849@magnolia> References: <2f4bb05f-fd41-7fa3-22f0-9ec9d2224a47@redhat.com> <20171201222922.GZ21412@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Eric Sandeen Cc: Eric Sandeen , linux-xfs On Fri, Dec 01, 2017 at 04:31:04PM -0600, Eric Sandeen wrote: > On 12/1/17 4:29 PM, Darrick J. Wong wrote: > > On Fri, Dec 01, 2017 at 04:12:34PM -0600, Eric Sandeen wrote: > >> Advertise this config option along with the others. > >> > >> Signed-off-by: Eric Sandeen > >> --- > >> > >> diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h > >> index fcc5dfc..8cee8e8 100644 > >> --- a/fs/xfs/xfs_super.h > >> +++ b/fs/xfs/xfs_super.h > >> @@ -44,6 +44,12 @@ > >> # define XFS_REALTIME_STRING > >> #endif > >> > >> +#ifdef CONFIG_XFS_ONLINE_SCRUB > >> +# define XFS_SCRUB_STRING "scrub, " > >> +#else > >> +# define XFS_SCRUB_STRING > >> +#endif > > > > I don't mind this addition to the build options, though I had pictured > > scrub becoming an integral part of xfs some day and not remaining a > > configurable option. > > It could be removed at that time, unless it's considered an API? > > I'm not hung up on this, if there's no reason for it that's OK. > > > That said I haven't evaluated how much scrub bloats up xfs nor do I know > > if the kernel tinyfication people would actually want to turn it off?? > > > > (For my part I prefer it some day not be Kconfig option so that it won't > > bitrot ala CONFIG_XFS_RT=y.) > > I'd imagine that it'd be turned on more often than RT but that's just a guess. Ok, now that we've merged all this stuff, it looks like disabling the scrub code alone can reduce the module size by ~8%. I can imagine the occasional system builder who wants xfs but doesn't care about online fsck, so I think I'll keep the kconfig option. Therefore, it ought to go in the build string. Looks ok, Reviewed-by: Darrick J. Wong --D > > -Eric > > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html