block/fs/drivers: remove rw argument from submit_bio

This has callers of submit_bio/submit_bio_wait set the bio->bi_rw
instead of passing it in. This makes that use the same as
generic_make_request and how we set the other bio fields.

Signed-off-by: Mike Christie <mchristi@redhat.com>

Fixed up fs/ext4/crypto.c

Signed-off-by: Jens Axboe <axboe@fb.com>

17 files changed, 58 insertions, 37 deletions

diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index 10459a145062..6069e152c32f 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -177,7 +177,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device,
 	if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD))
 		bio_io_error(bio);
 	else
-		submit_bio(rw, bio);
+		submit_bio(bio);
 	wait_until_done_or_force_detached(device, bdev, &device->md_io.done);
 	if (!bio->bi_error)
 		err = device->md_io.error;
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 92d6fc020a65..e8959fee1fa3 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1011,12 +1011,12 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
 	bio_add_page(bio, page, len, 0);
 	bio->bi_private = ctx;
 	bio->bi_end_io = drbd_bm_endio;
+	bio->bi_rw = rw;
 
 	if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) {
-		bio->bi_rw |= rw;
 		bio_io_error(bio);
 	} else {
-		submit_bio(rw, bio);
+		submit_bio(bio);
 		/* this should not count as user activity and cause the
 		 * resync to throttle -- see drbd_rs_should_slow_down(). */
 		atomic_add(len >> 9, &device->rs_sect_ev);
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 84708a5f8c52..73ded25b82c4 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3822,8 +3822,9 @@ static int __floppy_read_block_0(struct block_device *bdev, int drive)
 	bio.bi_flags |= (1 << BIO_QUIET);
 	bio.bi_private = &cbdata;
 	bio.bi_end_io = floppy_rb0_cb;
+	bio.bi_rw = READ;
 
-	submit_bio(READ, &bio);
+	submit_bio(&bio);
 	process_fd_request();
 
 	init_completion(&cbdata.complete);
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 4809c1501d7e..79fe4934f18b 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1369,6 +1369,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
 			bio->bi_private = pending_req;
 			bio->bi_end_io  = end_block_io_op;
 			bio->bi_iter.bi_sector  = preq.sector_number;
+			bio->bi_rw	= operation;
 		}
 
 		preq.sector_number += seg[i].nsec;
@@ -1386,13 +1387,14 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
 		bio->bi_bdev    = preq.bdev;
 		bio->bi_private = pending_req;
 		bio->bi_end_io  = end_block_io_op;
+		bio->bi_rw	= operation;
 	}
 
 	atomic_set(&pending_req->pendcnt, nbio);
 	blk_start_plug(&plug);
 
 	for (i = 0; i < nbio; i++)
-		submit_bio(operation, biolist[i]);
+		submit_bio(biolist[i]);
 
 	/* Let the I/Os go.. */
 	blk_finish_plug(&plug);
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index ca13df854639..52963a26660a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2114,7 +2114,7 @@ static int blkif_recover(struct blkfront_info *info)
 				bio_trim(cloned_bio, offset, size);
 				cloned_bio->bi_private = split_bio;
 				cloned_bio->bi_end_io = split_bio_end;
-				submit_bio(cloned_bio->bi_rw, cloned_bio);
+				submit_bio(cloned_bio);
 			}
 			/*
 			 * Now we have to wait for all those smaller bios to
@@ -2123,7 +2123,7 @@ static int blkif_recover(struct blkfront_info *info)
 			continue;
 		}
 		/* We don't need to split this bio */
-		submit_bio(bio->bi_rw, bio);
+		submit_bio(bio);
 	}
 
 	return 0;
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index 8b1f1d5c1819..52b6bcf6b6c8 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -52,9 +52,10 @@ void bch_btree_verify(struct btree *b)
 	bio->bi_bdev		= PTR_CACHE(b->c, &b->key, 0)->bdev;
 	bio->bi_iter.bi_sector	= PTR_OFFSET(&b->key, 0);
 	bio->bi_iter.bi_size	= KEY_SIZE(&v->key) << 9;
+	bio->bi_rw		= REQ_META|READ_SYNC;
 	bch_bio_map(bio, sorted);
 
-	submit_bio_wait(REQ_META|READ_SYNC, bio);
+	submit_bio_wait(bio);
 	bch_bbio_free(bio, b->c);
 
 	memcpy(ondisk, sorted, KEY_SIZE(&v->key) << 9);
@@ -113,11 +114,12 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio)
 	check = bio_clone(bio, GFP_NOIO);
 	if (!check)
 		return;
+	check->bi_rw |= READ_SYNC;
 
 	if (bio_alloc_pages(check, GFP_NOIO))
 		goto out_put;
 
-	submit_bio_wait(READ_SYNC, check);
+	submit_bio_wait(check);
 
 	bio_for_each_segment(bv, bio, iter) {
 		void *p1 = kmap_atomic(bv.bv_page);
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 29eba7219b01..af3f9f7f20e2 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -418,7 +418,7 @@ static void journal_discard_work(struct work_struct *work)
 	struct journal_device *ja =
 		container_of(work, struct journal_device, discard_work);
 
-	submit_bio(0, &ja->discard_bio);
+	submit_bio(&ja->discard_bio);
 }
 
 static void do_journal_discard(struct cache *ca)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index f5dbb4e884d8..1eb526a7b8b3 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -212,7 +212,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio)
 	unsigned i;
 
 	bio->bi_iter.bi_sector	= SB_SECTOR;
-	bio->bi_rw		= REQ_SYNC|REQ_META;
+	bio->bi_rw		= REQ_WRITE|REQ_SYNC|REQ_META;
 	bio->bi_iter.bi_size	= SB_SIZE;
 	bch_bio_map(bio, NULL);
 
@@ -238,7 +238,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio)
 	pr_debug("ver %llu, flags %llu, seq %llu",
 		 sb->version, sb->flags, sb->seq);
 
-	submit_bio(REQ_WRITE, bio);
+	submit_bio(bio);
 }
 
 static void bch_write_bdev_super_unlock(struct closure *cl)
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index cd77216beff1..9d3ee7f6c6c7 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -634,6 +634,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block,
 	 * the dm_buffer's inline bio is local to bufio.
 	 */
 	b->bio.bi_private = end_io;
+	b->bio.bi_rw = rw;
 
 	/*
 	 * We assume that if len >= PAGE_SIZE ptr is page-aligned.
@@ -660,7 +661,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block,
 		ptr += PAGE_SIZE;
 	} while (len > 0);
 
-	submit_bio(rw, &b->bio);
+	submit_bio(&b->bio);
 }
 
 static void submit_io(struct dm_buffer *b, int rw, sector_t block,
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 06d426eb5a30..50f17e32951a 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -322,6 +322,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 		bio->bi_iter.bi_sector = where->sector + (where->count - remaining);
 		bio->bi_bdev = where->bdev;
 		bio->bi_end_io = endio;
+		bio->bi_rw = rw;
 		store_io_and_region_in_bio(bio, io, region);
 
 		if (rw & REQ_DISCARD) {
@@ -355,7 +356,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 		}
 
 		atomic_inc(&io->count);
-		submit_bio(rw, bio);
+		submit_bio(bio);
 	} while (remaining);
 }
 
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index 608302e222af..addcc4be00b6 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -205,6 +205,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry,
 	bio->bi_bdev = lc->logdev->bdev;
 	bio->bi_end_io = log_end_io;
 	bio->bi_private = lc;
+	bio->bi_rw = WRITE;
 
 	page = alloc_page(GFP_KERNEL);
 	if (!page) {
@@ -226,7 +227,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry,
 		DMERR("Couldn't add page to the log block");
 		goto error_bio;
 	}
-	submit_bio(WRITE, bio);
+	submit_bio(bio);
 	return 0;
 error_bio:
 	bio_put(bio);
@@ -269,6 +270,7 @@ static int log_one_block(struct log_writes_c *lc,
 	bio->bi_bdev = lc->logdev->bdev;
 	bio->bi_end_io = log_end_io;
 	bio->bi_private = lc;
+	bio->bi_rw = WRITE;
 
 	for (i = 0; i < block->vec_cnt; i++) {
 		/*
@@ -279,7 +281,7 @@ static int log_one_block(struct log_writes_c *lc,
 				   block->vecs[i].bv_len, 0);
 		if (ret != block->vecs[i].bv_len) {
 			atomic_inc(&lc->io_blocks);
-			submit_bio(WRITE, bio);
+			submit_bio(bio);
 			bio = bio_alloc(GFP_KERNEL, block->vec_cnt - i);
 			if (!bio) {
 				DMERR("Couldn't alloc log bio");
@@ -290,6 +292,7 @@ static int log_one_block(struct log_writes_c *lc,
 			bio->bi_bdev = lc->logdev->bdev;
 			bio->bi_end_io = log_end_io;
 			bio->bi_private = lc;
+			bio->bi_rw = WRITE;
 
 			ret = bio_add_page(bio, block->vecs[i].bv_page,
 					   block->vecs[i].bv_len, 0);
@@ -301,7 +304,7 @@ static int log_one_block(struct log_writes_c *lc,
 		}
 		sector += block->vecs[i].bv_len >> SECTOR_SHIFT;
 	}
-	submit_bio(WRITE, bio);
+	submit_bio(bio);
 out:
 	kfree(block->data);
 	kfree(block);
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index fc803d50f9f0..8c070eed982c 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -371,7 +371,8 @@ static void end_discard(struct discard_op *op, int r)
 		 * need to wait for the chain to complete.
 		 */
 		bio_chain(op->bio, op->parent_bio);
-		submit_bio(REQ_WRITE | REQ_DISCARD, op->bio);
+		op->bio->bi_rw = REQ_WRITE | REQ_DISCARD;
+		submit_bio(op->bio);
 	}
 
 	blk_finish_plug(&op->plug);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 866825f10b4c..fb3950be3070 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -394,8 +394,9 @@ static void submit_flushes(struct work_struct *ws)
 			bi->bi_end_io = md_end_flush;
 			bi->bi_private = rdev;
 			bi->bi_bdev = rdev->bdev;
+			bi->bi_rw = WRITE_FLUSH;
 			atomic_inc(&mddev->flush_pending);
-			submit_bio(WRITE_FLUSH, bi);
+			submit_bio(bi);
 			rcu_read_lock();
 			rdev_dec_pending(rdev, mddev);
 		}
@@ -742,9 +743,10 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
 	bio_add_page(bio, page, size, 0);
 	bio->bi_private = rdev;
 	bio->bi_end_io = super_written;
+	bio->bi_rw = WRITE_FLUSH_FUA;
 
 	atomic_inc(&mddev->pending_writes);
-	submit_bio(WRITE_FLUSH_FUA, bio);
+	submit_bio(bio);
 }
 
 void md_super_wait(struct mddev *mddev)
@@ -761,6 +763,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
 
 	bio->bi_bdev = (metadata_op && rdev->meta_bdev) ?
 		rdev->meta_bdev : rdev->bdev;
+	bio->bi_rw = rw;
 	if (metadata_op)
 		bio->bi_iter.bi_sector = sector + rdev->sb_start;
 	else if (rdev->mddev->reshape_position != MaxSector &&
@@ -770,7 +773,8 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
 	else
 		bio->bi_iter.bi_sector = sector + rdev->data_offset;
 	bio_add_page(bio, page, size, 0);
-	submit_bio_wait(rw, bio);
+
+	submit_bio_wait(bio);
 
 	ret = !bio->bi_error;
 	bio_put(bio);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c7c8cde0ab21..bc95d4dd600b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2208,7 +2208,8 @@ static int narrow_write_error(struct r1bio *r1_bio, int i)
 		bio_trim(wbio, sector - r1_bio->sector, sectors);
 		wbio->bi_iter.bi_sector += rdev->data_offset;
 		wbio->bi_bdev = rdev->bdev;
-		if (submit_bio_wait(WRITE, wbio) < 0)
+
+		if (submit_bio_wait(wbio) < 0)
 			/* failure! */
 			ok = rdev_set_badblocks(rdev, sector,
 						sectors, 0)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index c7de2a53e625..0be6497d8e34 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2474,7 +2474,9 @@ static int narrow_write_error(struct r10bio *r10_bio, int i)
 				   choose_data_offset(r10_bio, rdev) +
 				   (sector - r10_bio->sector));
 		wbio->bi_bdev = rdev->bdev;
-		if (submit_bio_wait(WRITE, wbio) < 0)
+		wbio->bi_rw = WRITE;
+
+		if (submit_bio_wait(wbio) < 0)
 			/* Failure! */
 			ok = rdev_set_badblocks(rdev, sector,
 						sectors, 0)
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index e889e2deb7b3..0b014535f5dd 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -254,7 +254,7 @@ static void r5l_submit_current_io(struct r5l_log *log)
 	__r5l_set_io_unit_state(io, IO_UNIT_IO_START);
 	spin_unlock_irqrestore(&log->io_list_lock, flags);
 
-	submit_bio(WRITE, io->current_bio);
+	submit_bio(io->current_bio);
 }
 
 static struct bio *r5l_bio_alloc(struct r5l_log *log)
@@ -373,7 +373,7 @@ static void r5l_append_payload_page(struct r5l_log *log, struct page *page)
 		io->current_bio = r5l_bio_alloc(log);
 		bio_chain(io->current_bio, prev);
 
-		submit_bio(WRITE, prev);
+		submit_bio(prev);
 	}
 
 	if (!bio_add_page(io->current_bio, page, PAGE_SIZE, 0))
@@ -686,7 +686,8 @@ void r5l_flush_stripe_to_raid(struct r5l_log *log)
 	bio_reset(&log->flush_bio);
 	log->flush_bio.bi_bdev = log->rdev->bdev;
 	log->flush_bio.bi_end_io = r5l_log_flush_endio;
-	submit_bio(WRITE_FLUSH, &log->flush_bio);
+	log->flush_bio.bi_rw = WRITE_FLUSH;
+	submit_bio(&log->flush_bio);
 }
 
 static void r5l_write_super(struct r5l_log *log, sector_t cp);
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7c4efb4417b0..c25109cc0329 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -312,7 +312,7 @@ static void iblock_bio_done(struct bio *bio)
 }
 
 static struct bio *
-iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
+iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw)
 {
 	struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
 	struct bio *bio;
@@ -334,18 +334,19 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
 	bio->bi_private = cmd;
 	bio->bi_end_io = &iblock_bio_done;
 	bio->bi_iter.bi_sector = lba;
+	bio->bi_rw = rw;
 
 	return bio;
 }
 
-static void iblock_submit_bios(struct bio_list *list, int rw)
+static void iblock_submit_bios(struct bio_list *list)
 {
 	struct blk_plug plug;
 	struct bio *bio;
 
 	blk_start_plug(&plug);
 	while ((bio = bio_list_pop(list)))
-		submit_bio(rw, bio);
+		submit_bio(bio);
 	blk_finish_plug(&plug);
 }
 
@@ -387,9 +388,10 @@ iblock_execute_sync_cache(struct se_cmd *cmd)
 	bio = bio_alloc(GFP_KERNEL, 0);
 	bio->bi_end_io = iblock_end_io_flush;
 	bio->bi_bdev = ib_dev->ibd_bd;
+	bio->bi_rw = WRITE_FLUSH;
 	if (!immed)
 		bio->bi_private = cmd;
-	submit_bio(WRITE_FLUSH, bio);
+	submit_bio(bio);
 	return 0;
 }
 
@@ -478,7 +480,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
 		goto fail;
 	cmd->priv = ibr;
 
-	bio = iblock_get_bio(cmd, block_lba, 1);
+	bio = iblock_get_bio(cmd, block_lba, 1, WRITE);
 	if (!bio)
 		goto fail_free_ibr;
 
@@ -491,7 +493,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
 		while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
 				!= sg->length) {
 
-			bio = iblock_get_bio(cmd, block_lba, 1);
+			bio = iblock_get_bio(cmd, block_lba, 1, WRITE);
 			if (!bio)
 				goto fail_put_bios;
 
@@ -504,7 +506,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
 		sectors -= 1;
 	}
 
-	iblock_submit_bios(&list, WRITE);
+	iblock_submit_bios(&list);
 	return 0;
 
 fail_put_bios:
@@ -712,7 +714,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 		return 0;
 	}
 
-	bio = iblock_get_bio(cmd, block_lba, sgl_nents);
+	bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw);
 	if (!bio)
 		goto fail_free_ibr;
 
@@ -732,11 +734,11 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 		while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
 				!= sg->length) {
 			if (bio_cnt >= IBLOCK_MAX_BIO_PER_TASK) {
-				iblock_submit_bios(&list, rw);
+				iblock_submit_bios(&list);
 				bio_cnt = 0;
 			}
 
-			bio = iblock_get_bio(cmd, block_lba, sg_num);
+			bio = iblock_get_bio(cmd, block_lba, sg_num, rw);
 			if (!bio)
 				goto fail_put_bios;
 
@@ -756,7 +758,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 			goto fail_put_bios;
 	}
 
-	iblock_submit_bios(&list, rw);
+	iblock_submit_bios(&list);
 	iblock_complete_cmd(cmd);
 	return 0;