diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-06-09 12:19:41 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-09 12:19:41 +1000 |
| commit | 8a3e1c670e503ddd6f6c373b307f38b783ee3a50 (patch) | |
| tree | 03094e8425b750d2693a271ebc89b49312e5476a /drivers/block/virtio_blk.c | |
| parent | e026892c85571e12f11abffde5a90bcc704d663e (diff) | |
| parent | 60d5019be8acef268f4676d229c490186d338fbc (diff) | |
Merge branch 'merge'
Conflicts:
arch/powerpc/sysdev/fsl_soc.c
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 84e064ffee5..dd7ea203f94 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 = { |