diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nbd.c | 6 | ||||
| -rw-r--r-- | drivers/block/swim3.c | 4 | ||||
| -rw-r--r-- | drivers/block/xen-blkfront.c | 18 |
3 files changed, 24 insertions, 4 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 018753c59b8..b53fdb0a282 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -655,6 +655,7 @@ static int __init nbd_init(void) for (i = 0; i < nbds_max; i++) { struct gendisk *disk = alloc_disk(1); + elevator_t *old_e; if (!disk) goto out; nbd_dev[i].disk = disk; @@ -668,6 +669,11 @@ static int __init nbd_init(void) put_disk(disk); goto out; } + old_e = disk->queue->elevator; + if (elevator_init(disk->queue, "deadline") == 0 || + elevator_init(disk->queue, "noop") == 0) { + elevator_exit(old_e); + } } if (register_blkdev(NBD_MAJOR, "nbd")) { diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index b4e462f154e..730ccea78e4 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -251,10 +251,6 @@ static int floppy_release(struct inode *inode, struct file *filp); static int floppy_check_change(struct gendisk *disk); static int floppy_revalidate(struct gendisk *disk); -#ifndef CONFIG_PMAC_MEDIABAY -#define check_media_bay(which, what) 1 -#endif - static void swim3_select(struct floppy_state *fs, int sel) { struct swim3 __iomem *sw = fs->swim3; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8afce67c0aa..9c6f3f99208 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -37,6 +37,7 @@ #include <linux/interrupt.h> #include <linux/blkdev.h> +#include <linux/hdreg.h> #include <linux/module.h> #include <xen/xenbus.h> @@ -135,6 +136,22 @@ static void blkif_restart_queue_callback(void *arg) schedule_work(&info->work); } +int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg) +{ + /* We don't have real geometry info, but let's at least return + values consistent with the size of the device */ + sector_t nsect = get_capacity(bd->bd_disk); + sector_t cylinders = nsect; + + hg->heads = 0xff; + hg->sectors = 0x3f; + sector_div(cylinders, hg->heads * hg->sectors); + hg->cylinders = cylinders; + if ((sector_t)(hg->cylinders + 1) * hg->heads * hg->sectors < nsect) + hg->cylinders = 0xffff; + return 0; +} + /* * blkif_queue_request * @@ -937,6 +954,7 @@ static struct block_device_operations xlvbd_block_fops = .owner = THIS_MODULE, .open = blkif_open, .release = blkif_release, + .getgeo = blkif_getgeo, }; |