diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:16:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:16:46 +0200 |
commit | cb9aa97c21c59ad01c9514d7faf45dc166fba226 (patch) | |
tree | 66a530f154db78b85f5b1406ebc51401df8d3913 /drivers/block/virtio_blk.c | |
parent | 668a6c3654560aef8741642478973e205a4f02bf (diff) | |
parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) |
Merge branch 'linus' into tracing/mmiotrace-mergefixupstip-tracing-mmiotrace-mergefixups-2008-06-16_09.16_Mon
Diffstat (limited to 'drivers/block/virtio_blk.c')
-rw-r--r-- | drivers/block/virtio_blk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 84e064ffee52..dd7ea203f940 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -260,6 +260,10 @@ static int virtblk_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_BLK_F_BARRIER)) blk_queue_ordered(vblk->disk->queue, QUEUE_ORDERED_TAG, NULL); + /* If disk is read-only in the host, the guest should obey */ + if (virtio_has_feature(vdev, VIRTIO_BLK_F_RO)) + set_disk_ro(vblk->disk, 1); + /* Host must always specify the capacity. */ vdev->config->get(vdev, offsetof(struct virtio_blk_config, capacity), &cap, sizeof(cap)); @@ -311,6 +315,7 @@ static void virtblk_remove(struct virtio_device *vdev) /* Stop all the virtqueues. */ vdev->config->reset(vdev); + del_gendisk(vblk->disk); blk_cleanup_queue(vblk->disk->queue); put_disk(vblk->disk); mempool_destroy(vblk->pool); @@ -325,7 +330,7 @@ static struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_BLK_F_BARRIER, VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, - VIRTIO_BLK_F_GEOMETRY, + VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, }; static struct virtio_driver virtio_blk = { |