struct request_queue *rq = tr->blkcore_priv->rq;
struct request *req = NULL;
- /* we might get involved when memory gets low, so use PF_MEMALLOC */
- current->flags |= PF_MEMALLOC;
-
spin_lock_irq(rq->queue_lock);
while (!kthread_should_stop()) {
struct mtd_blktrans_dev *dev;
int res;
- if (!req) {
- req = elv_next_request(rq);
- if (req)
- blkdev_dequeue_request(req);
- }
- if (!req) {
+ if (!req && !(req = blk_fetch_request(rq))) {
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irq(rq->queue_lock);
schedule();
struct mtd_blktrans_ops *tr = dev->tr;
int ret = -ENODEV;
- if (!try_module_get(dev->mtd->owner))
+ if (!get_mtd_device(NULL, dev->mtd->index))
goto out;
if (!try_module_get(tr->owner))
ret = 0;
if (tr->open && (ret = tr->open(dev))) {
dev->mtd->usecount--;
- module_put(dev->mtd->owner);
+ put_mtd_device(dev->mtd);
out_tr:
module_put(tr->owner);
}
if (!ret) {
dev->mtd->usecount--;
- module_put(dev->mtd->owner);
+ put_mtd_device(dev->mtd);
module_put(tr->owner);
}
}
}
-static struct block_device_operations mtd_blktrans_ops = {
+static const struct block_device_operations mtd_blktrans_ops = {
.owner = THIS_MODULE,
.open = blktrans_open,
.release = blktrans_release,
gd->private_data = new;
new->blkcore_priv = gd;
gd->queue = tr->blkcore_priv->rq;
- gd->driverfs_dev = new->mtd->dev.parent;
+ gd->driverfs_dev = &new->mtd->dev;
if (new->readonly)
set_disk_ro(gd, 1);
}
tr->blkcore_priv->rq->queuedata = tr;
- blk_queue_hardsect_size(tr->blkcore_priv->rq, tr->blksize);
+ blk_queue_logical_block_size(tr->blkcore_priv->rq, tr->blksize);
if (tr->discard)
blk_queue_set_discard(tr->blkcore_priv->rq,
blktrans_discard_request);
tr->blkcore_priv->thread = kthread_run(mtd_blktrans_thread, tr,
"%sd", tr->name);
if (IS_ERR(tr->blkcore_priv->thread)) {
- int ret = PTR_ERR(tr->blkcore_priv->thread);
+ ret = PTR_ERR(tr->blkcore_priv->thread);
blk_cleanup_queue(tr->blkcore_priv->rq);
unregister_blkdev(tr->major, tr->name);
kfree(tr->blkcore_priv);