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path: root/drivers/cdrom/gdrom.c
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Diffstat (limited to 'drivers/cdrom/gdrom.c')
-rw-r--r--drivers/cdrom/gdrom.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 2eecb779437..1e366ad8f68 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -584,8 +584,8 @@ static void gdrom_readdisk_dma(struct work_struct *work)
584 list_for_each_safe(elem, next, &gdrom_deferred) { 584 list_for_each_safe(elem, next, &gdrom_deferred) {
585 req = list_entry(elem, struct request, queuelist); 585 req = list_entry(elem, struct request, queuelist);
586 spin_unlock(&gdrom_lock); 586 spin_unlock(&gdrom_lock);
587 block = req->sector/GD_TO_BLK + GD_SESSION_OFFSET; 587 block = blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;
588 block_cnt = req->nr_sectors/GD_TO_BLK; 588 block_cnt = blk_rq_sectors(req)/GD_TO_BLK;
589 ctrl_outl(PHYSADDR(req->buffer), GDROM_DMA_STARTADDR_REG); 589 ctrl_outl(PHYSADDR(req->buffer), GDROM_DMA_STARTADDR_REG);
590 ctrl_outl(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG); 590 ctrl_outl(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
591 ctrl_outl(1, GDROM_DMA_DIRECTION_REG); 591 ctrl_outl(1, GDROM_DMA_DIRECTION_REG);
@@ -632,39 +632,35 @@ static void gdrom_readdisk_dma(struct work_struct *work)
632 * before handling ending the request */ 632 * before handling ending the request */
633 spin_lock(&gdrom_lock); 633 spin_lock(&gdrom_lock);
634 list_del_init(&req->queuelist); 634 list_del_init(&req->queuelist);
635 __blk_end_request(req, err, blk_rq_bytes(req)); 635 __blk_end_request_all(req, err);
636 } 636 }
637 spin_unlock(&gdrom_lock); 637 spin_unlock(&gdrom_lock);
638 kfree(read_command); 638 kfree(read_command);
639} 639}
640 640
641static void gdrom_request_handler_dma(struct request *req)
642{
643 /* dequeue, add to list of deferred work
644 * and then schedule workqueue */
645 blkdev_dequeue_request(req);
646 list_add_tail(&req->queuelist, &gdrom_deferred);
647 schedule_work(&work);
648}
649
650static void gdrom_request(struct request_queue *rq) 641static void gdrom_request(struct request_queue *rq)
651{ 642{
652 struct request *req; 643 struct request *req;
653 644
654 while ((req = elv_next_request(rq)) != NULL) { 645 while ((req = blk_fetch_request(rq)) != NULL) {
655 if (!blk_fs_request(req)) { 646 if (!blk_fs_request(req)) {
656 printk(KERN_DEBUG "GDROM: Non-fs request ignored\n"); 647 printk(KERN_DEBUG "GDROM: Non-fs request ignored\n");
657 end_request(req, 0); 648 __blk_end_request_all(req, -EIO);
649 continue;
658 } 650 }
659 if (rq_data_dir(req) != READ) { 651 if (rq_data_dir(req) != READ) {
660 printk(KERN_NOTICE "GDROM: Read only device -"); 652 printk(KERN_NOTICE "GDROM: Read only device -");
661 printk(" write request ignored\n"); 653 printk(" write request ignored\n");
662 end_request(req, 0); 654 __blk_end_request_all(req, -EIO);
655 continue;
663 } 656 }
664 if (req->nr_sectors) 657
665 gdrom_request_handler_dma(req); 658 /*
666 else 659 * Add to list of deferred work and then schedule
667 end_request(req, 0); 660 * workqueue.
661 */
662 list_add_tail(&req->queuelist, &gdrom_deferred);
663 schedule_work(&work);
668 } 664 }
669} 665}
670 666