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block: use BDRV_O_NOCACHE instead of s->aligned_buf in raw-posix.c 

Rather than check for a non-NULL aligned_buf to determine if
raw_aio_submit needs to check for alignment, check for the presence
of BDRV_O_NOCACHE in the bs->open_flags.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
master
Jeff Cody 2012-09-20 15:13:23 -04:00 committed by Kevin Wolf
parent 39c9fb9565
commit 9acc5a06d4
1 changed files with 1 additions and 1 deletions
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2
block/raw-posix.c
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@ -354,7 +354,7 @@ static BlockDriverAIOCB *raw_aio_submit(BlockDriverState *bs,
* boundary. Check if this is the case or tell the low-level
* driver that it needs to copy the buffer.
*/
if (s->aligned_buf) {
if ((bs->open_flags & BDRV_O_NOCACHE)) {
if (!qiov_is_aligned(bs, qiov)) {
type |= QEMU_AIO_MISALIGNED;
#ifdef CONFIG_LINUX_AIO