diff options
Diffstat (limited to 'drivers/block/umem.c')
| -rw-r--r-- | drivers/block/umem.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 0f48301342d..15299e7a1ad 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -809,34 +809,23 @@ static int mm_revalidate(struct gendisk *disk) set_capacity(disk, card->mm_size << 1); return 0; } -/* ------------------------------------------------------------------------------------ --- mm_ioctl ------------------------------------------------------------------------------------ -*/ -static int mm_ioctl(struct inode *i, struct file *f, unsigned int cmd, unsigned long arg) + +static int mm_getgeo(struct block_device *bdev, struct hd_geometry *geo) { - if (cmd == HDIO_GETGEO) { - struct cardinfo *card = i->i_bdev->bd_disk->private_data; - int size = card->mm_size * (1024 / MM_HARDSECT); - struct hd_geometry geo; - /* - * get geometry: we have to fake one... trim the size to a - * multiple of 2048 (1M): tell we have 32 sectors, 64 heads, - * whatever cylinders. - */ - geo.heads = 64; - geo.sectors = 32; - geo.start = get_start_sect(i->i_bdev); - geo.cylinders = size / (geo.heads * geo.sectors); - - if (copy_to_user((void __user *) arg, &geo, sizeof(geo))) - return -EFAULT; - return 0; - } + struct cardinfo *card = bdev->bd_disk->private_data; + int size = card->mm_size * (1024 / MM_HARDSECT); - return -EINVAL; + /* + * get geometry: we have to fake one... trim the size to a + * multiple of 2048 (1M): tell we have 32 sectors, 64 heads, + * whatever cylinders. + */ + geo->heads = 64; + geo->sectors = 32; + geo->cylinders = size / (geo->heads * geo->sectors); + return 0; } + /* ----------------------------------------------------------------------------------- -- mm_check_change @@ -855,7 +844,7 @@ static int mm_check_change(struct gendisk *disk) */ static struct block_device_operations mm_fops = { .owner = THIS_MODULE, - .ioctl = mm_ioctl, + .getgeo = mm_getgeo, .revalidate_disk= mm_revalidate, .media_changed = mm_check_change, }; |