bcache: remove driver private bio splitting code

The bcache driver has always accepted arbitrarily large bios and split
them internally.  Now that every driver must accept arbitrarily large
bios this code isn't nessecary anymore.

Cc: linux-bcache@vger.kernel.org
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
[dpark: add more description in commit message]
Signed-off-by: Dongsu Park <dpark@posteo.net>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index a09b9462ff49..8e9877b04637 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -719,7 +719,7 @@ static void cached_dev_read_error(struct closure *cl)
 
                 /* XXX: invalidate cache */
 
-                closure_bio_submit(bio, cl, s->d);
+                closure_bio_submit(bio, cl);
         }
 
         continue_at(cl, cached_dev_cache_miss_done, NULL);
@@ -842,7 +842,7 @@ static int cached_dev_cache_miss(struct btree *b, struct search *s,
         s->cache_miss   = miss;
         s->iop.bio      = cache_bio;
         bio_get(cache_bio);
-        closure_bio_submit(cache_bio, &s->cl, s->d);
+        closure_bio_submit(cache_bio, &s->cl);
 
         return ret;
 out_put:
@@ -850,7 +850,7 @@ out_put:
 out_submit:
         miss->bi_end_io         = request_endio;
         miss->bi_private        = &s->cl;
-        closure_bio_submit(miss, &s->cl, s->d);
+        closure_bio_submit(miss, &s->cl);
         return ret;
 }
 
@@ -915,7 +915,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s)
 
                 if (!(bio->bi_rw & REQ_DISCARD) ||
                     blk_queue_discard(bdev_get_queue(dc->bdev)))
-                        closure_bio_submit(bio, cl, s->d);
+                        closure_bio_submit(bio, cl);
         } else if (s->iop.writeback) {
                 bch_writeback_add(dc);
                 s->iop.bio = bio;
@@ -930,12 +930,12 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s)
                         flush->bi_end_io = request_endio;
                         flush->bi_private = cl;
 
-                        closure_bio_submit(flush, cl, s->d);
+                        closure_bio_submit(flush, cl);
                 }
         } else {
                 s->iop.bio = bio_clone_fast(bio, GFP_NOIO, dc->disk.bio_split);
 
-                closure_bio_submit(bio, cl, s->d);
+                closure_bio_submit(bio, cl);
         }
 
         closure_call(&s->iop.cl, bch_data_insert, NULL, cl);
@@ -951,7 +951,7 @@ static void cached_dev_nodata(struct closure *cl)
                 bch_journal_meta(s->iop.c, cl);
 
         /* If it's a flush, we send the flush to the backing device too */
-        closure_bio_submit(bio, cl, s->d);
+        closure_bio_submit(bio, cl);
 
         continue_at(cl, cached_dev_bio_complete, NULL);
 }
@@ -995,7 +995,7 @@ static void cached_dev_make_request(struct request_queue *q, struct bio *bio)
                     !blk_queue_discard(bdev_get_queue(dc->bdev)))
                         bio_endio(bio);
                 else
-                        bch_generic_make_request(bio, &d->bio_split_hook);
+                        generic_make_request(bio);
         }
 }