#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) {
+
+ req = blk_fetch_request(q);
+ while (req) {
unsigned long start = blk_rq_pos(req) << 9;
- unsigned long len = blk_rq_cur_sectors(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",
blk_rq_pos(req), blk_rq_cur_sectors(req));
- __blk_end_request_cur(req, -EIO);
- continue;
+ err = -EIO;
+ goto done;
}
while (len) {
unsigned long addr = start & Z2RAM_CHUNKMASK;
start += size;
len -= size;
}
- __blk_end_request_cur(req, 0);
+ done:
+ if (!__blk_end_request_cur(req, err))
+ req = blk_fetch_request(q);
}
}
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);