* James McMechan
*/
-#define MAJOR_NR UBD_MAJOR
#define UBD_SHIFT 4
#include "linux/kernel.h"
#include "linux/module.h"
#include "linux/blkdev.h"
+#include "linux/ata.h"
#include "linux/hdreg.h"
#include "linux/init.h"
#include "linux/cdrom.h"
static DEFINE_MUTEX(ubd_lock);
-static int ubd_open(struct inode * inode, struct file * filp);
-static int ubd_release(struct inode * inode, struct file * file);
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_open(struct block_device *bdev, fmode_t mode);
+static int ubd_release(struct gendisk *disk, fmode_t mode);
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
};
/* Protected by ubd_lock */
-static int fake_major = MAJOR_NR;
+static int fake_major = UBD_MAJOR;
static struct gendisk *ubd_gendisk[MAX_DEV];
static struct gendisk *fake_gendisk[MAX_DEV];
}
mutex_lock(&ubd_lock);
- if(fake_major != MAJOR_NR){
+ if (fake_major != UBD_MAJOR) {
*error_out = "Can't assign a fake major twice";
goto out1;
}
disk->first_minor = unit << UBD_SHIFT;
disk->fops = &ubd_blops;
set_capacity(disk, size / 512);
- if(major == MAJOR_NR)
+ if (major == UBD_MAJOR)
sprintf(disk->disk_name, "ubd%c", 'a' + unit);
else
sprintf(disk->disk_name, "ubd_fake%d", unit);
/* sysfs register (not for ide fake devices) */
- if (major == MAJOR_NR) {
+ if (major == UBD_MAJOR) {
ubd_devs[unit].pdev.id = unit;
ubd_devs[unit].pdev.name = DRIVER_NAME;
ubd_devs[unit].pdev.dev.release = ubd_device_release;
ubd_dev->queue->queuedata = ubd_dev;
blk_queue_max_hw_segments(ubd_dev->queue, MAX_SG);
- err = ubd_disk_register(MAJOR_NR, ubd_dev->size, n, &ubd_gendisk[n]);
+ err = ubd_disk_register(UBD_MAJOR, ubd_dev->size, n, &ubd_gendisk[n]);
if(err){
*error_out = "Failed to register device";
goto out_cleanup;
}
- if(fake_major != MAJOR_NR)
+ if (fake_major != UBD_MAJOR)
ubd_disk_register(fake_major, ubd_dev->size, n,
&fake_gendisk[n]);
char *error;
int i, err;
- if (register_blkdev(MAJOR_NR, "ubd"))
+ if (register_blkdev(UBD_MAJOR, "ubd"))
return -1;
- if (fake_major != MAJOR_NR) {
+ if (fake_major != UBD_MAJOR) {
char name[sizeof("ubd_nnn\0")];
snprintf(name, sizeof(name), "ubd_%d", fake_major);
device_initcall(ubd_driver_init);
-static int ubd_open(struct inode *inode, struct file *filp)
+static int ubd_open(struct block_device *bdev, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
+ struct gendisk *disk = bdev->bd_disk;
struct ubd *ubd_dev = disk->private_data;
int err = 0;
/* This should no more be needed. And it didn't work anyway to exclude
* read-write remounting of filesystems.*/
- /*if((filp->f_mode & FMODE_WRITE) && !ubd_dev->openflags.w){
+ /*if((mode & FMODE_WRITE) && !ubd_dev->openflags.w){
if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev);
err = -EROFS;
}*/
return err;
}
-static int ubd_release(struct inode * inode, struct file * file)
+static int ubd_release(struct gendisk *disk, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
struct ubd *ubd_dev = disk->private_data;
if(--ubd_dev->count == 0)
return 0;
}
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- struct ubd *ubd_dev = inode->i_bdev->bd_disk->private_data;
- struct hd_driveid ubd_id = {
- .cyls = 0,
- .heads = 128,
- .sectors = 32,
- };
+ struct ubd *ubd_dev = bdev->bd_disk->private_data;
+ u16 ubd_id[ATA_ID_WORDS];
switch (cmd) {
struct cdrom_volctrl volume;
case HDIO_GET_IDENTITY:
- ubd_id.cyls = ubd_dev->size / (128 * 32 * 512);
+ memset(&ubd_id, 0, ATA_ID_WORDS * 2);
+ ubd_id[ATA_ID_CYLS] = ubd_dev->size / (128 * 32 * 512);
+ ubd_id[ATA_ID_HEADS] = 128;
+ ubd_id[ATA_ID_SECTORS] = 32;
if(copy_to_user((char __user *) arg, (char *) &ubd_id,
sizeof(ubd_id)))
return -EFAULT;