|To:||Russell Cattelan <cattelan@xxxxxxxxxxx>|
|Subject:||Re: [REVIEW] Don't make lazy counters default for mkfs|
|From:||Mark Goodwin <markgw@xxxxxxx>|
|Date:||Sat, 01 Mar 2008 10:47:06 +1100|
|Cc:||Eric Sandeen <sandeen@xxxxxxxxxxx>, nscott@xxxxxxxxxx, Barry Naujok <bnaujok@xxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>|
|References:||<op.t67mtawg3jf8g2@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <1204166101.13569.102.camel@xxxxxxxxxxxxxxxxx> <47C87775.2010007@xxxxxxxxxxx> <47C89137.3070805@xxxxxxxxxxx> <47C89303.7070902@xxxxxxxxxxx>|
|User-agent:||Thunderbird 184.108.40.206 (Windows/20071210)|
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@xxxxxxx Engineering Manager for XFS and PCP Phone: +61-3-99631937 SGI Australian Software Group Cell: +61-4-18969583 -------------------------------------------------------------
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