ide-atapi: add a len-parameter to ide_queue_pc_tail
This is in preparation for removing ide_atapi_pc.
There should be no functional change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 1022e42..0d4da2c 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -84,7 +84,7 @@
* and wait for it to be serviced.
*/
int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
- struct ide_atapi_pc *pc)
+ struct ide_atapi_pc *pc, unsigned int bufflen)
{
struct request *rq;
int error;
@@ -93,8 +93,8 @@
rq->cmd_type = REQ_TYPE_SPECIAL;
rq->special = (char *)pc;
- if (pc->req_xfer) {
- error = blk_rq_map_kern(drive->queue, rq, pc->buf, pc->req_xfer,
+ if (bufflen) {
+ error = blk_rq_map_kern(drive->queue, rq, pc->buf, bufflen,
GFP_NOIO);
if (error)
goto put_req;
@@ -117,7 +117,7 @@
ide_init_pc(&pc);
pc.c[0] = TEST_UNIT_READY;
- return ide_queue_pc_tail(drive, disk, &pc);
+ return ide_queue_pc_tail(drive, disk, &pc, 0);
}
EXPORT_SYMBOL_GPL(ide_do_test_unit_ready);
@@ -132,7 +132,7 @@
if (drive->media == ide_tape)
pc.flags |= PC_FLAG_WAIT_FOR_DSC;
- return ide_queue_pc_tail(drive, disk, &pc);
+ return ide_queue_pc_tail(drive, disk, &pc, 0);
}
EXPORT_SYMBOL_GPL(ide_do_start_stop);
@@ -147,7 +147,7 @@
pc.c[0] = ALLOW_MEDIUM_REMOVAL;
pc.c[4] = on;
- return ide_queue_pc_tail(drive, disk, &pc);
+ return ide_queue_pc_tail(drive, disk, &pc, 0);
}
EXPORT_SYMBOL_GPL(ide_set_media_lock);