diff options
| author |   Philipp Reisner <philipp.reisner@linbit.com> | 2010-06-10 13:30:36 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 14:37:33 +0200 |
| commit | 5ba82308ea766b33404cb130a88fe4113d9c20a3 (patch) | |
| tree | ec21a7d1cb92837cd98a6e9e30d44cb4cd63aa87 /drivers/block/drbd | |
| parent | drbd: Do not send two barriers without any writes between them (diff) | |
| download | linux-dev-5ba82308ea766b33404cb130a88fe4113d9c20a3.tar.xz linux-dev-5ba82308ea766b33404cb130a88fe4113d9c20a3.zip | |
drbd: factored drbd_req_make_private_bio() out of drbd_req_new()
Preparing tl_thaw_dio()
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_req.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index 1bcb85539735..07cb3b12edb4 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -257,30 +257,36 @@ static inline struct drbd_request *_ar_id_to_req(struct drbd_conf *mdev, return NULL; } +static inline void drbd_req_make_private_bio(struct drbd_request *req, struct bio *bio_src) +{ + struct bio *bio; + bio = bio_clone(bio_src, GFP_NOIO); /* XXX cannot fail?? */ + + req->private_bio = bio; + + bio->bi_private = req; + bio->bi_end_io = drbd_endio_pri; + bio->bi_next = NULL; +} + static inline struct drbd_request *drbd_req_new(struct drbd_conf *mdev, struct bio *bio_src) { - struct bio *bio; struct drbd_request *req = mempool_alloc(drbd_request_mempool, GFP_NOIO); if (likely(req)) { - bio = bio_clone(bio_src, GFP_NOIO); /* XXX cannot fail?? */ + drbd_req_make_private_bio(req, bio_src); req->rq_state = bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0; req->mdev = mdev; req->master_bio = bio_src; - req->private_bio = bio; req->epoch = 0; - req->sector = bio->bi_sector; - req->size = bio->bi_size; + req->sector = bio_src->bi_sector; + req->size = bio_src->bi_size; req->start_time = jiffies; INIT_HLIST_NODE(&req->colision); INIT_LIST_HEAD(&req->tl_requests); INIT_LIST_HEAD(&req->w.list); - - bio->bi_private = req; - bio->bi_end_io = drbd_endio_pri; - bio->bi_next = NULL; } return req; } |