diff options
Diffstat (limited to 'drivers/block/paride')
-rw-r--r-- | drivers/block/paride/pd.c | 34 | ||||
-rw-r--r-- | drivers/block/paride/pf.c | 50 |
2 files changed, 44 insertions, 40 deletions
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index fa49d62626ba..62d2464c12f2 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -747,32 +747,33 @@ static int pd_open(struct inode *inode, struct file *file) return 0; } +static int pd_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct pd_unit *disk = bdev->bd_disk->private_data; + + if (disk->alt_geom) { + geo->heads = PD_LOG_HEADS; + geo->sectors = PD_LOG_SECTS; + geo->cylinders = disk->capacity / (geo->heads * geo->sectors); + } else { + geo->heads = disk->heads; + geo->sectors = disk->sectors; + geo->cylinders = disk->cylinders; + } + + return 0; +} + static int pd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct pd_unit *disk = inode->i_bdev->bd_disk->private_data; - struct hd_geometry __user *geo = (struct hd_geometry __user *) arg; - struct hd_geometry g; switch (cmd) { case CDROMEJECT: if (disk->access == 1) pd_special_command(disk, pd_eject); return 0; - case HDIO_GETGEO: - if (disk->alt_geom) { - g.heads = PD_LOG_HEADS; - g.sectors = PD_LOG_SECTS; - g.cylinders = disk->capacity / (g.heads * g.sectors); - } else { - g.heads = disk->heads; - g.sectors = disk->sectors; - g.cylinders = disk->cylinders; - } - g.start = get_start_sect(inode->i_bdev); - if (copy_to_user(geo, &g, sizeof(struct hd_geometry))) - return -EFAULT; - return 0; default: return -EINVAL; } @@ -815,6 +816,7 @@ static struct block_device_operations pd_fops = { .open = pd_open, .release = pd_release, .ioctl = pd_ioctl, + .getgeo = pd_getgeo, .media_changed = pd_check_media, .revalidate_disk= pd_revalidate }; diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index e9746af29b9f..852b564e903a 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -205,6 +205,7 @@ static int pf_open(struct inode *inode, struct file *file); static void do_pf_request(request_queue_t * q); static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); +static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo); static int pf_release(struct inode *inode, struct file *file); @@ -266,6 +267,7 @@ static struct block_device_operations pf_fops = { .open = pf_open, .release = pf_release, .ioctl = pf_ioctl, + .getgeo = pf_getgeo, .media_changed = pf_check_media, }; @@ -313,34 +315,34 @@ static int pf_open(struct inode *inode, struct file *file) return 0; } -static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo) { - struct pf_unit *pf = inode->i_bdev->bd_disk->private_data; - struct hd_geometry __user *geo = (struct hd_geometry __user *) arg; - struct hd_geometry g; - sector_t capacity; - - if (cmd == CDROMEJECT) { - if (pf->access == 1) { - pf_eject(pf); - return 0; - } - return -EBUSY; - } - if (cmd != HDIO_GETGEO) - return -EINVAL; - capacity = get_capacity(pf->disk); + struct pf_unit *pf = bdev->bd_disk->private_data; + sector_t capacity = get_capacity(pf->disk); + if (capacity < PF_FD_MAX) { - g.cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT); - g.heads = PF_FD_HDS; - g.sectors = PF_FD_SPT; + geo->cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT); + geo->heads = PF_FD_HDS; + geo->sectors = PF_FD_SPT; } else { - g.cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT); - g.heads = PF_HD_HDS; - g.sectors = PF_HD_SPT; + geo->cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT); + geo->heads = PF_HD_HDS; + geo->sectors = PF_HD_SPT; } - if (copy_to_user(geo, &g, sizeof(g))) - return -EFAULT; + + return 0; +} + +static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct pf_unit *pf = inode->i_bdev->bd_disk->private_data; + + if (cmd != CDROMEJECT) + return -EINVAL; + + if (pf->access != 1) + return -EBUSY; + pf_eject(pf); return 0; } |