block: Move request_alignment into BlockLimit
It makes more sense to have ALL block size limit constraints
in the same struct. Improve the documentation while at it.
Simplify a couple of conditionals, now that we have audited and
documented that request_alignment is always non-zero.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/bochs.c b/block/bochs.c
index 182c50b..4194f1d 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -190,7 +190,7 @@
static void bochs_refresh_limits(BlockDriverState *bs, Error **errp)
{
- bs->request_alignment = BDRV_SECTOR_SIZE; /* No sub-sector I/O supported */
+ bs->bl.request_alignment = BDRV_SECTOR_SIZE; /* No sub-sector I/O */
}
static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)
