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path: root/drivers/block/floppy.c
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Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index a5b857c5c4b8..b86613b21cf1 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3445,6 +3445,23 @@ static int get_floppy_geometry(int drive, int type, struct floppy_struct **g)
3445 return 0; 3445 return 0;
3446} 3446}
3447 3447
3448static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
3449{
3450 int drive = (long)bdev->bd_disk->private_data;
3451 int type = ITYPE(drive_state[drive].fd_device);
3452 struct floppy_struct *g;
3453 int ret;
3454
3455 ret = get_floppy_geometry(drive, type, &g);
3456 if (ret)
3457 return ret;
3458
3459 geo->heads = g->head;
3460 geo->sectors = g->sect;
3461 geo->cylinders = g->track;
3462 return 0;
3463}
3464
3448static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, 3465static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
3449 unsigned long param) 3466 unsigned long param)
3450{ 3467{
@@ -3474,23 +3491,6 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
3474 cmd = FDEJECT; 3491 cmd = FDEJECT;
3475 } 3492 }
3476 3493
3477 /* generic block device ioctls */
3478 switch (cmd) {
3479 /* the following have been inspired by the corresponding
3480 * code for other block devices. */
3481 struct floppy_struct *g;
3482 case HDIO_GETGEO:
3483 {
3484 struct hd_geometry loc;
3485 ECALL(get_floppy_geometry(drive, type, &g));
3486 loc.heads = g->head;
3487 loc.sectors = g->sect;
3488 loc.cylinders = g->track;
3489 loc.start = 0;
3490 return _COPYOUT(loc);
3491 }
3492 }
3493
3494 /* convert the old style command into a new style command */ 3494 /* convert the old style command into a new style command */
3495 if ((cmd & 0xff00) == 0x0200) { 3495 if ((cmd & 0xff00) == 0x0200) {
3496 ECALL(normalize_ioctl(&cmd, &size)); 3496 ECALL(normalize_ioctl(&cmd, &size));
@@ -3938,6 +3938,7 @@ static struct block_device_operations floppy_fops = {
3938 .open = floppy_open, 3938 .open = floppy_open,
3939 .release = floppy_release, 3939 .release = floppy_release,
3940 .ioctl = fd_ioctl, 3940 .ioctl = fd_ioctl,
3941 .getgeo = fd_getgeo,
3941 .media_changed = check_floppy_change, 3942 .media_changed = check_floppy_change,
3942 .revalidate_disk = floppy_revalidate, 3943 .revalidate_disk = floppy_revalidate,
3943}; 3944};