From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org,
James.Bottomley@hansenpartnership.com, jaxboe@fusionio.com
Subject: Re: [PATCH 1/5] block: Implement support for WRITE SAME
Date: Wed, 08 Feb 2012 18:12:50 -0500 [thread overview]
Message-ID: <yq139akor65.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20120208225023.GA16401@redhat.com> (Mike Snitzer's message of "Wed, 8 Feb 2012 17:50:23 -0500")
>>>>> "Mike" == Mike Snitzer <snitzer@redhat.com> writes:
>> + BUG_ON(length != bdev_logical_block_size(bdev));
Mike> Why require @length to be passed in if we can easily determine the
Mike> only correct length, via bdev_logical_block_size, locally?
Just sanity checking since the caller is passing in a buffer pointer.
See my comment in the patch series introduction about a page vs a
buffer. I don't really care whether we pick one or the other. Whatever
makes the most sense to dm, md and the filesystems...
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2012-02-08 23:12 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 0:31 Write same support Martin K. Petersen
2012-01-31 0:31 ` [PATCH 1/5] block: Implement support for WRITE SAME Martin K. Petersen
2012-02-07 21:40 ` Vivek Goyal
2012-02-13 22:19 ` Martin K. Petersen
2012-02-14 8:05 ` Rolf Eike Beer
2012-02-15 15:33 ` Vivek Goyal
2012-02-16 3:29 ` Martin K. Petersen
2012-02-16 17:16 ` Vivek Goyal
2012-02-16 19:12 ` Martin K. Petersen
2012-02-08 22:50 ` Mike Snitzer
2012-02-08 23:12 ` Martin K. Petersen [this message]
2012-02-09 3:33 ` Mike Snitzer
2012-02-09 3:40 ` Mike Snitzer
2012-01-31 0:31 ` [PATCH 2/5] block: Make blkdev_issue_zeroout use " Martin K. Petersen
2012-01-31 0:31 ` [PATCH 3/5] block: ioctl to zero block ranges Martin K. Petersen
2012-01-31 0:31 ` [PATCH 4/5] scsi: Add a report opcode helper Martin K. Petersen
2012-01-31 19:53 ` Jeff Garzik
2012-01-31 20:16 ` Martin K. Petersen
2012-01-31 0:31 ` [PATCH 5/5] sd: Implement support for WRITE SAME Martin K. Petersen
2012-02-20 16:16 ` Mike Snitzer
2012-02-20 17:36 ` Martin K. Petersen
2012-02-20 18:28 ` Mike Snitzer
2012-02-03 19:15 ` Write same support Mike Snitzer
2012-02-03 19:20 ` Roland Dreier
2012-02-16 20:02 ` Mike Snitzer
2012-02-16 20:46 ` Martin K. Petersen
2012-02-16 21:09 ` Mike Snitzer
2012-02-16 21:03 ` dm-io async WRITE_SAME results in iSCSI NULL pointer [was: Re: Write same support] Mike Snitzer
2012-02-16 21:25 ` Mike Christie
2012-02-16 21:35 ` Mike Snitzer
2012-02-20 17:44 ` Martin K. Petersen
2012-02-20 18:46 ` Mike Snitzer
2012-02-20 23:44 ` Mike Snitzer
2012-02-21 0:07 ` Martin K. Petersen
2012-02-21 3:18 ` Mike Snitzer
2012-02-21 3:57 ` Martin K. Petersen
2012-02-21 6:55 ` Mike Snitzer
2012-02-21 12:31 ` Martin K. Petersen
2012-02-21 14:42 ` Mike Snitzer
2012-02-21 19:33 ` Mike Snitzer
2012-02-21 21:31 ` Martin K. Petersen
2012-02-21 23:36 ` Mike Snitzer
2012-02-21 19:47 ` Vivek Goyal
2012-02-21 19:56 ` Martin K. Petersen
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