From: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Date: Wed, 10 Jun 2009 19:56:56 +0000 (-0700)
Subject: [SCSI] compat: don't perform unneeded copy in sg_io code
X-Git-Tag: v2.6.31-rc1~285^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df59c0ad05182329688e514e5a9c3836fa208ea3;p=pandora-kernel.git

[SCSI] compat: don't perform unneeded copy in sg_io code

The members from 'status' in struct sg_io_hdr to the last are used to
transfer information from kernel to user space.  The values that user
space sets are just ignored.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---

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