Merge branch 'for-linus' into for-2.6.33

Conflicts:
	block/cfq-iosched.c

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

2 files changed, 4 insertions, 37 deletions

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index edda9ea7c626..bd112c8c7bcd 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -949,7 +949,7 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
         lo->lo_state = Lo_unbound;
         /* This is safe: open() is still holding a reference. */
         module_put(THIS_MODULE);
-        if (max_part > 0)
+        if (max_part > 0 && bdev)
                 ioctl_by_bdev(bdev, BLKRRPART, 0);
         mutex_unlock(&lo->lo_ctl_mutex);
         /*
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 43f19389647a..51042f0ba7e1 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -3,7 +3,6 @@
 #include <linux/blkdev.h>
 #include <linux/hdreg.h>
 #include <linux/virtio.h>
-#include <linux/virtio_ids.h>
 #include <linux/virtio_blk.h>
 #include <linux/scatterlist.h>
 
@@ -183,34 +182,6 @@ static void do_virtblk_request(struct request_queue *q)
                 vblk->vq->vq_ops->kick(vblk->vq);
 }
 
-/* return ATA identify data
- */
-static int virtblk_identify(struct gendisk *disk, void *argp)
-{
-        struct virtio_blk *vblk = disk->private_data;
-        void *opaque;
-        int err = -ENOMEM;
-
-        opaque = kmalloc(VIRTIO_BLK_ID_BYTES, GFP_KERNEL);
-        if (!opaque)
-                goto out;
-
-        err = virtio_config_buf(vblk->vdev, VIRTIO_BLK_F_IDENTIFY,
-                offsetof(struct virtio_blk_config, identify), opaque,
-                VIRTIO_BLK_ID_BYTES);
-
-        if (err)
-                goto out_kfree;
-
-        if (copy_to_user(argp, opaque, VIRTIO_BLK_ID_BYTES))
-                err = -EFAULT;
-
-out_kfree:
-        kfree(opaque);
-out:
-        return err;
-}
-
 static void virtblk_prepare_flush(struct request_queue *q, struct request *req)
 {
         req->cmd_type = REQ_TYPE_LINUX_BLOCK;
@@ -222,10 +193,6 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 {
         struct gendisk *disk = bdev->bd_disk;
         struct virtio_blk *vblk = disk->private_data;
-        void __user *argp = (void __user *)data;
-
-        if (cmd == HDIO_GET_IDENTITY)
-                return virtblk_identify(disk, argp);
 
         /*
          * Only allow the generic SCSI ioctls if the host can support it.
@@ -233,7 +200,8 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
         if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI))
                 return -ENOTTY;
 
-        return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
+        return scsi_cmd_ioctl(disk->queue, disk, mode, cmd,
+                              (void __user *)data);
 }
 
 /* We provide getgeo only to please some old bootloader/partitioning tools */
@@ -332,7 +300,6 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
         }
 
         vblk->disk->queue->queuedata = vblk;
-        queue_flag_set_unlocked(QUEUE_FLAG_VIRT, vblk->disk->queue);
 
         if (index < 26) {
                 sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26);
@@ -445,7 +412,7 @@ 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_RO, VIRTIO_BLK_F_BLK_SIZE,
-        VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_IDENTIFY, VIRTIO_BLK_F_FLUSH
+        VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_FLUSH
 };
 
 /*