tree 1eb1d1803ebe21c05f38bc75c70ee966701a1fe8
parent f31e7e4022841c43c53b847b86b1bf97a08b2c94
author Dmitry Monakhov <dmonakhov@openvz.org> 1272462909 +0400
committer Jens Axboe <jens.axboe@oracle.com> 1272476856 +0200

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>