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authorPaul Mackerras <paulus@samba.org>2008-06-09 12:19:41 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-09 12:19:41 +1000
commit8a3e1c670e503ddd6f6c373b307f38b783ee3a50 (patch)
tree03094e8425b750d2693a271ebc89b49312e5476a /drivers/block
parente026892c85571e12f11abffde5a90bcc704d663e (diff)
parent60d5019be8acef268f4676d229c490186d338fbc (diff)
Merge branch 'merge'
Conflicts: arch/powerpc/sysdev/fsl_soc.c
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/brd.c2
-rw-r--r--drivers/block/virtio_blk.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index a196ef7f147..24b97b0bef9 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -397,6 +397,7 @@ module_param(max_part, int, 0);
MODULE_PARM_DESC(max_part, "Maximum number of partitions per RAM disk");
MODULE_LICENSE("GPL");
MODULE_ALIAS_BLOCKDEV_MAJOR(RAMDISK_MAJOR);
+MODULE_ALIAS("rd");
#ifndef MODULE
/* Legacy boot options - nonmodular */
@@ -447,6 +448,7 @@ static struct brd_device *brd_alloc(int i)
disk->fops = &brd_fops;
disk->private_data = brd;
disk->queue = brd->brd_queue;
+ disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
sprintf(disk->disk_name, "ram%d", i);
set_capacity(disk, rd_size * 2);
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 = {