diff options
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 1a50ae70f71..2d19f0cc47f 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -156,11 +156,10 @@ static int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg) return 0; } -static int blkif_ioctl(struct inode *inode, struct file *filep, +static int blkif_ioctl(struct block_device *bdev, fmode_t mode, unsigned command, unsigned long argument) { - struct blkfront_info *info = - inode->i_bdev->bd_disk->private_data; + struct blkfront_info *info = bdev->bd_disk->private_data; int i; dev_dbg(&info->xbdev->dev, "command: 0x%x, argument: 0x%lx\n", @@ -339,12 +338,18 @@ wait: static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size) { struct request_queue *rq; + elevator_t *old_e; rq = blk_init_queue(do_blkif_request, &blkif_io_lock); if (rq == NULL) return -1; - elevator_init(rq, "noop"); + old_e = rq->elevator; + if (IS_ERR_VALUE(elevator_init(rq, "noop"))) + printk(KERN_WARNING + "blkfront: Switch elevator failed, use default\n"); + else + elevator_exit(old_e); /* Hard sector size and max sectors impersonate the equiv. hardware. */ blk_queue_hardsect_size(rq, sector_size); @@ -1014,16 +1019,16 @@ static int blkfront_is_ready(struct xenbus_device *dev) return info->is_ready; } -static int blkif_open(struct inode *inode, struct file *filep) +static int blkif_open(struct block_device *bdev, fmode_t mode) { - struct blkfront_info *info = inode->i_bdev->bd_disk->private_data; + struct blkfront_info *info = bdev->bd_disk->private_data; info->users++; return 0; } -static int blkif_release(struct inode *inode, struct file *filep) +static int blkif_release(struct gendisk *disk, fmode_t mode) { - struct blkfront_info *info = inode->i_bdev->bd_disk->private_data; + struct blkfront_info *info = disk->private_data; info->users--; if (info->users == 0) { /* Check whether we have been instructed to close. We will @@ -1044,7 +1049,7 @@ static struct block_device_operations xlvbd_block_fops = .open = blkif_open, .release = blkif_release, .getgeo = blkif_getgeo, - .ioctl = blkif_ioctl, + .locked_ioctl = blkif_ioctl, }; |