From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 29 Feb 2008 15:48:36 -0800 (PST) Received: from larry.melbourne.sgi.com (larry.melbourne.sgi.com [134.14.52.130]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with SMTP id m1TNm9wF002553 for ; Fri, 29 Feb 2008 15:48:14 -0800 Message-ID: <47C8997A.9030804@sgi.com> Date: Sat, 01 Mar 2008 10:47:06 +1100 From: Mark Goodwin Reply-To: markgw@sgi.com MIME-Version: 1.0 Subject: Re: [REVIEW] Don't make lazy counters default for mkfs References: <1204166101.13569.102.camel@edge.scott.net.au> <47C87775.2010007@thebarn.com> <47C89137.3070805@sandeen.net> <47C89303.7070902@thebarn.com> In-Reply-To: <47C89303.7070902@thebarn.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Russell Cattelan Cc: Eric Sandeen , nscott@aconex.com, Barry Naujok , "xfs@oss.sgi.com" Russell Cattelan wrote: > Eric Sandeen wrote: >> Russell Cattelan wrote: >> >> >> >>>> Hmm, that still seems pretty soon to me. I'd have thought you'd at >>>> least want to wait until most of the distributions (esp. SUSE for you >>>> guys) have released versions that have kernels sufficiently recent >>>> that the default mkfs will work. Otherwise this will be a recurring >>>> problem. >>>> >>> I don't suppose there is an easy way to query xfs and find out if it >>> can support >>> the lazy SB option? >> >> I thought about that; xfs *could* stick someting in /proc/fs/xfs with >> supported features or somesuch. how about /proc/fs/xfs/features .. any format suggestions? >> But, the kernel you mkfs under isn't necessarily the one you're going to >> need to fall back to tomorrow, though... nor the one you just installed but haven't rebooted into yet > True but at least it could make a bit of a intelligent decision. > and maybe a warning for a while about potentially incompatible flags. yes agree Cheers -- Mark Goodwin markgw@sgi.com Engineering Manager for XFS and PCP Phone: +61-3-99631937 SGI Australian Software Group Cell: +61-4-18969583 -------------------------------------------------------------