diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 1b76fb29fb7..e423a16ba3c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3598,12 +3598,21 @@ static int set_disk_faulty(mddev_t *mddev, dev_t dev) return 0; } +static int md_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + mddev_t *mddev = bdev->bd_disk->private_data; + + geo->heads = 2; + geo->sectors = 4; + geo->cylinders = get_capacity(mddev->gendisk) / 8; + return 0; +} + static int md_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int err = 0; void __user *argp = (void __user *)arg; - struct hd_geometry __user *loc = argp; mddev_t *mddev = NULL; if (!capable(CAP_SYS_ADMIN)) @@ -3765,24 +3774,6 @@ static int md_ioctl(struct inode *inode, struct file *file, * 4 sectors (with a BIG number of cylinders...). This drives * dosfs just mad... ;-) */ - case HDIO_GETGEO: - if (!loc) { - err = -EINVAL; - goto abort_unlock; - } - err = put_user (2, (char __user *) &loc->heads); - if (err) - goto abort_unlock; - err = put_user (4, (char __user *) &loc->sectors); - if (err) - goto abort_unlock; - err = put_user(get_capacity(mddev->gendisk)/8, - (short __user *) &loc->cylinders); - if (err) - goto abort_unlock; - err = put_user (get_start_sect(inode->i_bdev), - (long __user *) &loc->start); - goto done_unlock; } /* @@ -3911,6 +3902,7 @@ static struct block_device_operations md_fops = .open = md_open, .release = md_release, .ioctl = md_ioctl, + .getgeo = md_getgeo, .media_changed = md_media_changed, .revalidate_disk= md_revalidate, }; |