From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 13:55:09 +0000 (+0400)
Subject: blkdev: add blkdev_issue_zeroout helper function
X-Git-Tag: v2.6.35-rc1~442^2~64
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f14d792f9a8fede64ce918dbb517f934497a4f8;p=pandora-kernel.git

blkdev: add blkdev_issue_zeroout helper function

- Add bio_batch helper primitive. This is rather generic primitive
  for submitting/waiting a complex request which consists of several
  bios.
- blkdev_issue_zeroout() generate number of zero filed write bios.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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