static xpram_device_t xpram_devices[XPRAM_MAX_DEVS];
static unsigned int xpram_sizes[XPRAM_MAX_DEVS];
static struct gendisk *xpram_disks[XPRAM_MAX_DEVS];
+static struct request_queue *xpram_queues[XPRAM_MAX_DEVS];
static unsigned int xpram_pages;
static int xpram_devs;
return 0;
}
-static struct request_queue *xpram_queue;
-
static int __init xpram_setup_blkdev(void)
{
unsigned long offset;
int i, rc = -ENOMEM;
for (i = 0; i < xpram_devs; i++) {
- struct gendisk *disk = alloc_disk(1);
- if (!disk)
+ xpram_disks[i] = alloc_disk(1);
+ if (!xpram_disks[i])
+ goto out;
+ xpram_queues[i] = blk_alloc_queue(GFP_KERNEL);
+ if (!xpram_queues[i]) {
+ put_disk(xpram_disks[i]);
goto out;
- xpram_disks[i] = disk;
+ }
+ blk_queue_make_request(xpram_queues[i], xpram_make_request);
+ blk_queue_hardsect_size(xpram_queues[i], 4096);
}
/*
if (rc < 0)
goto out;
- /*
- * Assign the other needed values: make request function, sizes and
- * hardsect size. All the minor devices feature the same value.
- */
- xpram_queue = blk_alloc_queue(GFP_KERNEL);
- if (!xpram_queue) {
- rc = -ENOMEM;
- goto out_unreg;
- }
- blk_queue_make_request(xpram_queue, xpram_make_request);
- blk_queue_hardsect_size(xpram_queue, 4096);
-
/*
* Setup device structures.
*/
disk->first_minor = i;
disk->fops = &xpram_devops;
disk->private_data = &xpram_devices[i];
- disk->queue = xpram_queue;
+ disk->queue = xpram_queues[i];
sprintf(disk->disk_name, "slram%d", i);
set_capacity(disk, xpram_sizes[i] << 1);
add_disk(disk);
}
return 0;
-out_unreg:
- unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
out:
- while (i--)
+ while (i--) {
+ blk_cleanup_queue(xpram_queues[i]);
put_disk(xpram_disks[i]);
+ }
return rc;
}
int i;
for (i = 0; i < xpram_devs; i++) {
del_gendisk(xpram_disks[i]);
+ blk_cleanup_queue(xpram_queues[i]);
put_disk(xpram_disks[i]);
}
unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
- blk_cleanup_queue(xpram_queue);
}
static int __init xpram_init(void)