#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/bitops.h>
+#include <linux/slab.h>
#include <asm/setup.h>
#include <asm/amigahw.h>
static DEFINE_SPINLOCK(z2ram_lock);
-static struct block_device_operations z2_fops;
static struct gendisk *z2ram_gendisk;
static void do_z2_request(struct request_queue *q)
{
struct request *req;
- while ((req = elv_next_request(q)) != NULL) {
- unsigned long start = req->sector << 9;
- unsigned long len = req->current_nr_sectors << 9;
+
+ req = blk_fetch_request(q);
+ while (req) {
+ unsigned long start = blk_rq_pos(req) << 9;
+ unsigned long len = blk_rq_cur_bytes(req);
+ int err = 0;
if (start + len > z2ram_size) {
printk( KERN_ERR DEVICE_NAME ": bad access: block=%lu, count=%u\n",
- req->sector, req->current_nr_sectors);
- end_request(req, 0);
- continue;
+ blk_rq_pos(req), blk_rq_cur_sectors(req));
+ err = -EIO;
+ goto done;
}
while (len) {
unsigned long addr = start & Z2RAM_CHUNKMASK;
start += size;
len -= size;
}
- end_request(req, 1);
+ done:
+ if (!__blk_end_request_cur(req, err))
+ req = blk_fetch_request(q);
}
}
return;
}
-static int
-z2_open( struct inode *inode, struct file *filp )
+static int z2_open(struct block_device *bdev, fmode_t mode)
{
int device;
int max_z2_map = ( Z2RAM_SIZE / Z2RAM_CHUNKSIZE ) *
sizeof( z2ram_map[0] );
int rc = -ENOMEM;
- device = iminor(inode);
+ device = MINOR(bdev->bd_dev);
if ( current_device != -1 && current_device != device )
{
}
static int
-z2_release( struct inode *inode, struct file *filp )
+z2_release(struct gendisk *disk, fmode_t mode)
{
if ( current_device == -1 )
return 0;
return 0;
}
-static struct block_device_operations z2_fops =
+static const struct block_device_operations z2_fops =
{
.owner = THIS_MODULE,
.open = z2_open,
static void __exit z2_exit(void)
{
int i, j;
- blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), 256);
+ blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), Z2MINOR_COUNT);
unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
del_gendisk(z2ram_gendisk);
put_disk(z2ram_gendisk);