From: Jens Axboe <jens.axboe@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-scsi@vger.kernel.org, mkp@mkp.net, matthew@wil.cx
Subject: Re: [PATCH 1/2] block: add support for discard limits
Date: Thu, 29 Oct 2009 20:06:59 +0100 [thread overview]
Message-ID: <20091029190659.GW10727@kernel.dk> (raw)
In-Reply-To: <20091029151127.257902381@bombadil.infradead.org>
On Thu, Oct 29 2009, Christoph Hellwig wrote:
> To properly support discard on SCSI Arrays we need to take the discard
> granularity and the first aligned discard LBA into account. This patch
> adds block limits for both of them, and trims down dicard requests to fit
> into these limits in blkdev_issue_discard. We also make sure the alignment
> offset is properly adjust for partitions and add sysfs files to expose
> the limits to userspaced.
Except for a few typos, this looks good to me. I'll add it for 2.6.33.
--
Jens Axboe
next prev parent reply other threads:[~2009-10-29 19:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-29 15:08 [PATCH 0/2] scsi discard support Christoph Hellwig
2009-10-29 15:08 ` [PATCH 1/2] block: add support for discard limits Christoph Hellwig
2009-10-29 19:06 ` Jens Axboe [this message]
2009-10-30 5:03 ` Christoph Hellwig
2009-11-02 12:39 ` Jens Axboe
2009-10-30 3:19 ` Martin K. Petersen
2009-10-30 5:05 ` Christoph Hellwig
2009-11-02 13:29 ` Martin K. Petersen
2009-11-02 15:39 ` James Bottomley
2009-11-02 18:16 ` Martin K. Petersen
2009-11-02 16:02 ` Boaz Harrosh
2009-11-02 18:18 ` Martin K. Petersen
2009-11-03 15:16 ` Christoph Hellwig
2009-10-29 15:08 ` [PATCH 2/2] sd: add support for WRITE SAME (16) with unmap bit Christoph Hellwig
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