From: Andi Kleen <andi@firstfloor.org>
To: Jody McIntyre <scjody@sun.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [e2fsprogs] Implement resync of declared blocks for software RAID
Date: Tue, 08 Dec 2009 21:26:35 +0100 [thread overview]
Message-ID: <87bpi9xldw.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20091208183046.GH4508@clouds> (Jody McIntyre's message of "Tue, 08 Dec 2009 13:30:48 -0500")
Jody McIntyre <scjody@sun.com> writes:
> This patch resyncs declared blocks on journal recovery. This must be done
> as part of journal replay for filesystems with
> JFS_FEATURE_INCOMPAT_DECLARE_BLOCKS; we have previously guaranteed to MD
> that we will resync any blocks that may have been undergoing writes at
> the time of a system crash.
>
> The SET_RESYNC_ALL and CLEAR_RESYNC_ALL ioctls are used to instruct MD
> to resync all blocks being read and written.
>
> This patch is UNTESTED and is being sent only because I am no longer
> working on declared mode.
Is this the only e2fsprogs patch needed for this feature, apart
from the kernel patches you posted?
Too bad you're not working on it anymore, I definitely liked
the idea.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-12-08 20:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-08 18:30 [e2fsprogs] Implement resync of declared blocks for software RAID Jody McIntyre
2009-12-08 20:26 ` Andi Kleen [this message]
2009-12-08 21:22 ` Jody McIntyre
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