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authorChristoph Hellwig <hch@lst.de>2020-05-27 08:24:05 +0300
committerJens Axboe <axboe@kernel.dk>2020-05-27 14:21:23 +0300
commit24d69293d9a561645e0b4d78c2fb179827e35f53 (patch)
tree0f7019fd64393817103391929b8123f8c0df18d2 /drivers/block
parent956d510ee78caebc83c0eaeb892db5b239a36a06 (diff)
downloadlinux-24d69293d9a561645e0b4d78c2fb179827e35f53.tar.xz
drbd: use bio_{start,end}_io_acct
Switch drbd to use the nicer bio accounting helpers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/drbd/drbd_req.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 840c3aef3c5c..c80a2f1c3c2a 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -21,24 +21,6 @@
static bool drbd_may_do_local_read(struct drbd_device *device, sector_t sector, int size);
-/* Update disk stats at start of I/O request */
-static void _drbd_start_io_acct(struct drbd_device *device, struct drbd_request *req)
-{
- struct request_queue *q = device->rq_queue;
-
- generic_start_io_acct(q, bio_op(req->master_bio),
- req->i.size >> 9, &device->vdisk->part0);
-}
-
-/* Update disk stats when completing request upwards */
-static void _drbd_end_io_acct(struct drbd_device *device, struct drbd_request *req)
-{
- struct request_queue *q = device->rq_queue;
-
- generic_end_io_acct(q, bio_op(req->master_bio),
- &device->vdisk->part0, req->start_jif);
-}
-
static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio *bio_src)
{
struct drbd_request *req;
@@ -263,7 +245,7 @@ void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m)
start_new_tl_epoch(first_peer_device(device)->connection);
/* Update disk stats */
- _drbd_end_io_acct(device, req);
+ bio_end_io_acct(req->master_bio, req->start_jif);
/* If READ failed,
* have it be pushed back to the retry work queue,
@@ -1222,16 +1204,15 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
bio_endio(bio);
return ERR_PTR(-ENOMEM);
}
- req->start_jif = start_jif;
+
+ /* Update disk stats */
+ req->start_jif = bio_start_io_acct(req->master_bio);
if (!get_ldev(device)) {
bio_put(req->private_bio);
req->private_bio = NULL;
}
- /* Update disk stats */
- _drbd_start_io_acct(device, req);
-
/* process discards always from our submitter thread */
if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
bio_op(bio) == REQ_OP_DISCARD)