tree 6d1c1e621527d05d0a6c59ee1bc180f7dcb361a2
parent c25f53b06eba1575d5d0e92a0132455c97825b83
author Kevin Wolf <kwolf@redhat.com> 1385993268 +0100
committer Kevin Wolf <kwolf@redhat.com> 1390581602 +0100

block: Introduce bdrv_aligned_preadv()

This separates the part of bdrv_co_do_readv() that needs to happen
before the request is modified to match the backend alignment, and a
part that needs to be executed afterwards and passes the request to the
BlockDriver.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>