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drbd: remove drbd_req_make_private_bio 

Open code drbd_req_make_private_bio in the two callers to prepare
for further changes.  Also don't bother to initialize bi_next as the
bio code already does that that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-01-26 15:52:40 +01:00 committed by Jens Axboe
parent 19304f959f
commit ae7153f1a7
3 changed files with 8 additions and 14 deletions
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5
drivers/block/drbd/drbd_req.c
View File

@ -30,7 +30,10 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio
return NULL;
memset(req, 0, sizeof(*req));
drbd_req_make_private_bio(req, bio_src);
req->private_bio = bio_clone_fast(bio_src, GFP_NOIO, &drbd_io_bio_set);
req->private_bio->bi_private = req;
req->private_bio->bi_end_io = drbd_request_endio;
req->rq_state = (bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0)
| (bio_op(bio_src) == REQ_OP_WRITE_SAME ? RQ_WSAME : 0)
| (bio_op(bio_src) == REQ_OP_WRITE_ZEROES ? RQ_ZEROES : 0)

12
drivers/block/drbd/drbd_req.h
View File

@ -256,18 +256,6 @@ enum drbd_req_state_bits {
#define MR_WRITE 1
#define MR_READ 2
static inline void drbd_req_make_private_bio(struct drbd_request *req, struct bio *bio_src)
{
struct bio *bio;
bio = bio_clone_fast(bio_src, GFP_NOIO, &drbd_io_bio_set);
req->private_bio = bio;
bio->bi_private = req;
bio->bi_end_io = drbd_request_endio;
bio->bi_next = NULL;
}
/* Short lived temporary struct on the stack.
* We could squirrel the error to be returned into
* bio->bi_iter.bi_size, or similar. But that would be too ugly. */

5
drivers/block/drbd/drbd_worker.c
View File

@ -1523,8 +1523,11 @@ int w_restart_disk_io(struct drbd_work *w, int cancel)
if (bio_data_dir(req->master_bio) == WRITE && req->rq_state & RQ_IN_ACT_LOG)
drbd_al_begin_io(device, &req->i);
drbd_req_make_private_bio(req, req->master_bio);
req->private_bio = bio_clone_fast(req->master_bio, GFP_NOIO,
&drbd_io_bio_set);
bio_set_dev(req->private_bio, device->ldev->backing_bdev);
req->private_bio->bi_private = req;
req->private_bio->bi_end_io = drbd_request_endio;
submit_bio_noacct(req->private_bio);
return 0;