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/vvfat.c b/block/vvfat.c
index 4d44636..fc948cb 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1210,7 +1210,7 @@
static void vvfat_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 inline void vvfat_close_current_file(BDRVVVFATState *s)
