From: Mike Snitzer <snitzer@redhat.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: jaxboe@fusionio.com, James.Bottomley@hansenpartnership.com,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH 2/2] sd: Fix overflow with big physical blocks
Date: Mon, 27 Sep 2010 13:42:23 -0400 [thread overview]
Message-ID: <20100927174223.GB14180@redhat.com> (raw)
In-Reply-To: <1285605664-27027-3-git-send-email-martin.petersen@oracle.com>
On Mon, Sep 27 2010 at 12:41pm -0400,
Martin K. Petersen <martin.petersen@oracle.com> wrote:
> The hw_sector_size variable could overflow if a device reported huge
> physical blocks. Switch to the more accurate physical_block_size
> terminology and make sure we use an unsigned int to match the range
> permitted by READ CAPACITY(16).
>
> Also print a warning of the physical block size exceeds the page size.
>
> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
(with the understanding that we may/will look to limit
physical_block_size to PAGE_SIZE in a follow-on patch).
next prev parent reply other threads:[~2010-09-27 17:42 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-27 16:41 I/O topology fixes for big physical block size Martin K. Petersen
2010-09-27 16:41 ` [PATCH 1/2] block: Ensure physical block size is unsigned int Martin K. Petersen
2010-09-27 17:40 ` Mike Snitzer
2010-10-08 5:15 ` Martin K. Petersen
2010-10-13 19:12 ` Mike Snitzer
2010-10-13 19:15 ` Jens Axboe
2010-09-27 16:41 ` [PATCH 2/2] sd: Fix overflow with big physical blocks Martin K. Petersen
2010-09-27 17:42 ` Mike Snitzer [this message]
2010-09-27 18:13 ` [PATCH] block: eliminate potential for infinite loop in blkdev_issue_discard Mike Snitzer
2010-10-14 21:37 ` Mike Snitzer
2010-10-15 11:05 ` Jens Axboe
2010-09-27 16:54 ` I/O topology fixes for big physical block size Jens Axboe
2010-09-27 17:20 ` Martin K. Petersen
2010-09-27 22:21 ` Jens Axboe
2010-09-27 22:36 ` Martin K. Petersen
2010-09-27 23:15 ` Mike Snitzer
2010-09-28 4:30 ` Jens Axboe
2010-09-28 5:20 ` Eric Sandeen
2010-09-28 14:15 ` Mike Snitzer
2010-09-28 20:57 ` Ted Ts'o
2010-09-28 21:24 ` Martin K. Petersen
2010-09-28 21:36 ` Eric Sandeen
2010-09-30 16:30 ` Ted Ts'o
2010-09-30 17:07 ` Eric Sandeen
[not found] ` <4CA4C3B6.9000104@redhat.com>
2010-09-30 17:33 ` Mike Snitzer
2010-10-01 14:24 ` Ted Ts'o
2010-10-01 22:19 ` Martin K. Petersen
2010-10-02 2:31 ` Ted Ts'o
2010-10-04 19:49 ` Martin K. Petersen
2010-09-27 17:23 ` Mike Snitzer
2010-09-27 21:58 ` James Bottomley
2010-09-27 22:03 ` Jens Axboe
2010-09-27 22:14 ` Martin K. Petersen
2010-09-27 22:24 ` Jens Axboe
2010-09-28 18:48 ` Martin K. Petersen
2010-09-28 18:54 ` Mike Snitzer
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