[PATCH] Remove ->waiting member from struct request
As the comments indicates in blkdev.h, we can fold it into ->end_io_data
usage as that is really what ->waiting is. Fixup the users of
blk_end_sync_rq().
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index d388486..3b6aad2 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -291,7 +291,6 @@
rq->buffer = NULL;
rq->ref_count = 1;
rq->q = q;
- rq->waiting = NULL;
rq->special = NULL;
rq->data_len = 0;
rq->data = NULL;
@@ -451,6 +450,7 @@
rq->cmd_flags = REQ_HARDBARRIER;
rq_init(q, rq);
rq->elevator_private = NULL;
+ rq->elevator_private2 = NULL;
rq->rq_disk = q->bar_rq.rq_disk;
rq->rl = NULL;
rq->end_io = end_io;
@@ -479,6 +479,7 @@
rq->cmd_flags |= REQ_RW;
rq->cmd_flags |= q->ordered & QUEUE_ORDERED_FUA ? REQ_FUA : 0;
rq->elevator_private = NULL;
+ rq->elevator_private2 = NULL;
rq->rl = NULL;
init_request_from_bio(rq, q->orig_bar_rq->bio);
rq->end_io = bar_end_io;
@@ -2569,10 +2570,9 @@
rq->sense_len = 0;
}
- rq->waiting = &wait;
+ rq->end_io_data = &wait;
blk_execute_rq_nowait(q, bd_disk, rq, at_head, blk_end_sync_rq);
wait_for_completion(&wait);
- rq->waiting = NULL;
if (rq->errors)
err = -EIO;
@@ -2736,9 +2736,9 @@
*/
void blk_end_sync_rq(struct request *rq, int error)
{
- struct completion *waiting = rq->waiting;
+ struct completion *waiting = rq->end_io_data;
- rq->waiting = NULL;
+ rq->end_io_data = NULL;
__blk_put_request(rq->q, rq);
/*
@@ -2801,7 +2801,7 @@
if (rq_data_dir(req) != rq_data_dir(next)
|| req->rq_disk != next->rq_disk
- || next->waiting || next->special)
+ || next->special)
return 0;
/*
@@ -2886,7 +2886,6 @@
req->nr_phys_segments = bio_phys_segments(req->q, bio);
req->nr_hw_segments = bio_hw_segments(req->q, bio);
req->buffer = bio_data(bio); /* see ->buffer comment above */
- req->waiting = NULL;
req->bio = req->biotail = bio;
req->ioprio = bio_prio(bio);
req->rq_disk = bio->bi_bdev->bd_disk;