From: NeilBrown <neilb@suse.de>
To: Eivind Sarto <eivindsarto@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: [patch 1/1] raid0: discard requests do not align to chunk boundary
Date: Wed, 4 Jun 2014 12:20:36 +1000 [thread overview]
Message-ID: <20140604122036.11175d7a@notabene.brown> (raw)
In-Reply-To: <4267B3A0-F0E8-407C-86D8-45ABC46D1464@gmail.com>
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On Tue, 3 Jun 2014 14:18:53 -0700 Eivind Sarto <eivindsarto@gmail.com> wrote:
> Raid0 only sets max_discard_sectors, but does not force alignment of discard requests. Discard request
> will be broken up into chunk-sized REQ_DISCARD by blkdev_issue_discard(), but if the sector is not
> chunk-aligned, each REQ_DISCARD to raid0 will all remain unaligned and raid0 will ned to split them all.
>
> This patch will prevent splitting of REQ_DISCARD requests.
>
> -eivind
Which patch would that be, exactly. :-)
NeilBrown
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next prev parent reply other threads:[~2014-06-04 2:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-03 21:18 [patch 1/1] raid0: discard requests do not align to chunk boundary Eivind Sarto
2014-06-04 2:20 ` NeilBrown [this message]
2014-06-04 4:51 ` Eivind Sarto
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