Author: mav
Date: Sat Apr 18 19:37:37 2015
New Revision: 281698
URL: https://svnweb.freebsd.org/changeset/base/281698
Log:
Do not report stripe size if it is equal to sector size.
MFC after: 1 week
Modified:
head/sys/dev/virtio/block/virtio_blk.c
Modified: head/sys/dev/virtio/block/virtio_blk.c
==============================================================================
--- head/sys/dev/virtio/block/virtio_blk.c Sat Apr 18 17:41:09 2015
(r281697)
+++ head/sys/dev/virtio/block/virtio_blk.c Sat Apr 18 19:37:37 2015
(r281698)
@@ -710,7 +710,8 @@ vtblk_alloc_disk(struct vtblk_softc *sc,
dp->d_fwheads = blkcfg->geometry.heads;
}
- if (virtio_with_feature(dev, VIRTIO_BLK_F_TOPOLOGY)) {
+ if (virtio_with_feature(dev, VIRTIO_BLK_F_TOPOLOGY) &&
+ blkcfg->topology.physical_block_exp > 0) {
dp->d_stripesize = dp->d_sectorsize *
(1 << blkcfg->topology.physical_block_exp);
dp->d_stripeoffset = (dp->d_stripesize -
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