Merge tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - BFQ cleanups and fixes (Yu, Zhang, Yahu, Paolo)

 - blk-rq-qos completion fix (Tejun)

 - blk-cgroup merge fix (Tejun)

 - Add offline error return value to distinguish it from an IO error on
   the device (Song)

 - IO stats fixes (Zhang, Christoph)

 - blkcg refcount fixes (Ming, Yu)

 - Fix for indefinite dispatch loop softlockup (Shin'ichiro)

 - blk-mq hardware queue management improvements (Ming)

 - sbitmap dead code removal (Ming, John)

 - Plugging merge improvements (me)

 - Show blk-crypto capabilities in sysfs (Eric)

 - Multiple delayed queue run improvement (David)

 - Block throttling fixes (Ming)

 - Start deprecating auto module loading based on dev_t (Christoph)

 - bio allocation improvements (Christoph, Chaitanya)

 - Get rid of bio_devname (Christoph)

 - bio clone improvements (Christoph)

 - Block plugging improvements (Christoph)

 - Get rid of genhd.h header (Christoph)

 - Ensure drivers use appropriate flush helpers (Christoph)

 - Refcounting improvements (Christoph)

 - Queue initialization and teardown improvements (Ming, Christoph)

 - Misc fixes/improvements (Barry, Chaitanya, Colin, Dan, Jiapeng,
   Lukas, Nian, Yang, Eric, Chengming)

* tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block: (127 commits)
  block: cancel all throttled bios in del_gendisk()
  block: let blkcg_gq grab request queue's refcnt
  block: avoid use-after-free on throttle data
  block: limit request dispatch loop duration
  block/bfq-iosched: Fix spelling mistake "tenative" -> "tentative"
  sr: simplify the local variable initialization in sr_block_open()
  block: don't merge across cgroup boundaries if blkcg is enabled
  block: fix rq-qos breakage from skipping rq_qos_done_bio()
  block: flush plug based on hardware and software queue order
  block: ensure plug merging checks the correct queue at least once
  block: move rq_qos_exit() into disk_release()
  block: do more work in elevator_exit
  block: move blk_exit_queue into disk_release
  block: move q_usage_counter release into blk_queue_release
  block: don't remove hctx debugfs dir from blk_mq_exit_queue
  block: move blkcg initialization/destroy into disk allocation/release handler
  sr: implement ->free_disk to simplify refcounting
  sd: implement ->free_disk to simplify refcounting
  sd: delay calling free_opal_dev
  sd: call sd_zbc_release_disk before releasing the scsi_device reference
  ...

35 files changed, 102 insertions, 247 deletions

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 7e9f90fa0388..abac86a75840 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -78,7 +78,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
-#include <linux/genhd.h>
 #include <linux/blkdev.h>
 #include <linux/mm.h>
 #include <linux/string.h>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 48590a380762..b3e9cf3fd1dd 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4033,8 +4033,9 @@ static int write_dev_supers(struct btrfs_device *device,
 		 * to do I/O, so we don't lose the ability to do integrity
 		 * checking.
 		 */
-		bio = bio_alloc(GFP_NOFS, 1);
-		bio_set_dev(bio, device->bdev);
+		bio = bio_alloc(device->bdev, 1,
+				REQ_OP_WRITE | REQ_SYNC | REQ_META | REQ_PRIO,
+				GFP_NOFS);
 		bio->bi_iter.bi_sector = bytenr >> SECTOR_SHIFT;
 		bio->bi_private = device;
 		bio->bi_end_io = btrfs_end_super_write;
@@ -4046,7 +4047,6 @@ static int write_dev_supers(struct btrfs_device *device,
 		 * go down lazy and there's a short window where the on-disk
 		 * copies might still contain the older version.
 		 */
-		bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_META | REQ_PRIO;
 		if (i == 0 && !btrfs_test_opt(device->fs_info, NOBARRIER))
 			bio->bi_opf |= REQ_FUA;
 
@@ -4158,10 +4158,8 @@ static void write_dev_flush(struct btrfs_device *device)
 		return;
 #endif
 
-	bio_reset(bio);
+	bio_reset(bio, device->bdev, REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH);
 	bio->bi_end_io = btrfs_end_empty_barrier;
-	bio_set_dev(bio, device->bdev);
-	bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
 	init_completion(&device->flush_wait);
 	bio->bi_private = &device->flush_wait;
 
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 4c91060d103a..5923eec8caa8 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3143,7 +3143,7 @@ struct bio *btrfs_bio_alloc(unsigned int nr_iovecs)
 	struct bio *bio;
 
 	ASSERT(0 < nr_iovecs && nr_iovecs <= BIO_MAX_VECS);
-	bio = bio_alloc_bioset(GFP_NOFS, nr_iovecs, &btrfs_bioset);
+	bio = bio_alloc_bioset(NULL, nr_iovecs, 0, GFP_NOFS, &btrfs_bioset);
 	btrfs_bio_init(btrfs_bio(bio));
 	return bio;
 }
@@ -3154,7 +3154,7 @@ struct bio *btrfs_bio_clone(struct bio *bio)
 	struct bio *new;
 
 	/* Bio allocation backed by a bioset does not fail */
-	new = bio_clone_fast(bio, GFP_NOFS, &btrfs_bioset);
+	new = bio_alloc_clone(bio->bi_bdev, bio, GFP_NOFS, &btrfs_bioset);
 	bbio = btrfs_bio(new);
 	btrfs_bio_init(bbio);
 	bbio->iter = bio->bi_iter;
@@ -3169,7 +3169,7 @@ struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size)
 	ASSERT(offset <= UINT_MAX && size <= UINT_MAX);
 
 	/* this will never fail when it's backed by a bioset */
-	bio = bio_clone_fast(orig, GFP_NOFS, &btrfs_bioset);
+	bio = bio_alloc_clone(orig->bi_bdev, orig, GFP_NOFS, &btrfs_bioset);
 	ASSERT(bio);
 
 	bbio = btrfs_bio(bio);
diff --git a/fs/buffer.c b/fs/buffer.c
index 8e112b6bd371..a17c386a142c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3024,12 +3024,16 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
 	if (test_set_buffer_req(bh) && (op == REQ_OP_WRITE))
 		clear_buffer_write_io_error(bh);
 
-	bio = bio_alloc(GFP_NOIO, 1);
+	if (buffer_meta(bh))
+		op_flags |= REQ_META;
+	if (buffer_prio(bh))
+		op_flags |= REQ_PRIO;
+
+	bio = bio_alloc(bh->b_bdev, 1, op | op_flags, GFP_NOIO);
 
 	fscrypt_set_bio_crypt_ctx_bh(bio, bh, GFP_NOIO);
 
 	bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);
-	bio_set_dev(bio, bh->b_bdev);
 	bio->bi_write_hint = write_hint;
 
 	bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh));
@@ -3038,12 +3042,6 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
 	bio->bi_end_io = end_bio_bh_io_sync;
 	bio->bi_private = bh;
 
-	if (buffer_meta(bh))
-		op_flags |= REQ_META;
-	if (buffer_prio(bh))
-		op_flags |= REQ_PRIO;
-	bio_set_op_attrs(bio, op, op_flags);
-
 	/* Take care of bh's that straddle the end of the device */
 	guard_bio_eod(bio);
 
diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c
index bfc2a5b74ed3..2217fe5ece6f 100644
--- a/fs/crypto/bio.c
+++ b/fs/crypto/bio.c
@@ -54,7 +54,8 @@ static int fscrypt_zeroout_range_inline_crypt(const struct inode *inode,
 	int num_pages = 0;
 
 	/* This always succeeds since __GFP_DIRECT_RECLAIM is set. */
-	bio = bio_alloc(GFP_NOFS, BIO_MAX_VECS);
+	bio = bio_alloc(inode->i_sb->s_bdev, BIO_MAX_VECS, REQ_OP_WRITE,
+			GFP_NOFS);
 
 	while (len) {
 		unsigned int blocks_this_page = min(len, blocks_per_page);
@@ -62,10 +63,8 @@ static int fscrypt_zeroout_range_inline_crypt(const struct inode *inode,
 
 		if (num_pages == 0) {
 			fscrypt_set_bio_crypt_ctx(bio, inode, lblk, GFP_NOFS);
-			bio_set_dev(bio, inode->i_sb->s_bdev);
 			bio->bi_iter.bi_sector =
 					pblk << (blockbits - SECTOR_SHIFT);
-			bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
 		}
 		ret = bio_add_page(bio, ZERO_PAGE(0), bytes_this_page, 0);
 		if (WARN_ON(ret != bytes_this_page)) {
@@ -81,7 +80,7 @@ static int fscrypt_zeroout_range_inline_crypt(const struct inode *inode,
 			err = submit_bio_wait(bio);
 			if (err)
 				goto out;
-			bio_reset(bio);
+			bio_reset(bio, inode->i_sb->s_bdev, REQ_OP_WRITE);
 			num_pages = 0;
 		}
 	}
@@ -150,12 +149,10 @@ int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
 		return -EINVAL;
 
 	/* This always succeeds since __GFP_DIRECT_RECLAIM is set. */
-	bio = bio_alloc(GFP_NOFS, nr_pages);
+	bio = bio_alloc(inode->i_sb->s_bdev, nr_pages, REQ_OP_WRITE, GFP_NOFS);
 
 	do {
-		bio_set_dev(bio, inode->i_sb->s_bdev);
 		bio->bi_iter.bi_sector = pblk << (blockbits - 9);
-		bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
 
 		i = 0;
 		offset = 0;
@@ -182,7 +179,7 @@ int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
 		err = submit_bio_wait(bio);
 		if (err)
 			goto out;
-		bio_reset(bio);
+		bio_reset(bio, inode->i_sb->s_bdev, REQ_OP_WRITE);
 	} while (len != 0);
 	err = 0;
 out:
diff --git a/fs/dax.c b/fs/dax.c
index cd03485867a7..ab0978739eaa 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -11,7 +11,6 @@
 #include <linux/buffer_head.h>
 #include <linux/dax.h>
 #include <linux/fs.h>
-#include <linux/genhd.h>
 #include <linux/highmem.h>
 #include <linux/memcontrol.h>
 #include <linux/mm.h>
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 654443558047..38bca4980a1c 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -396,11 +396,8 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
 	 * bio_alloc() is guaranteed to return a bio when allowed to sleep and
 	 * we request a valid number of vectors.
 	 */
-	bio = bio_alloc(GFP_KERNEL, nr_vecs);
-
-	bio_set_dev(bio, bdev);
+	bio = bio_alloc(bdev, nr_vecs, dio->op | dio->op_flags, GFP_KERNEL);
 	bio->bi_iter.bi_sector = first_sector;
-	bio_set_op_attrs(bio, dio->op, dio->op_flags);
 	if (dio->is_async)
 		bio->bi_end_io = dio_bio_end_aio;
 	else
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 423bc1a61da5..27d42ffdafd2 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -1370,15 +1370,14 @@ submit_bio_retry:
 			}
 
 			if (!bio) {
-				bio = bio_alloc(GFP_NOIO, BIO_MAX_VECS);
+				bio = bio_alloc(mdev.m_bdev, BIO_MAX_VECS,
+						REQ_OP_READ, GFP_NOIO);
 				bio->bi_end_io = z_erofs_decompressqueue_endio;
 
-				bio_set_dev(bio, mdev.m_bdev);
 				last_bdev = mdev.m_bdev;
 				bio->bi_iter.bi_sector = (sector_t)cur <<
 					LOG_SECTORS_PER_BLOCK;
 				bio->bi_private = bi_private;
-				bio->bi_opf = REQ_OP_READ;
 				if (f->readahead)
 					bio->bi_opf |= REQ_RAHEAD;
 				++nr_bios;
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 1d370364230e..18373fa52922 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -323,10 +323,9 @@ static void ext4_end_bio(struct bio *bio)
 {
 	ext4_io_end_t *io_end = bio->bi_private;
 	sector_t bi_sector = bio->bi_iter.bi_sector;
-	char b[BDEVNAME_SIZE];
 
-	if (WARN_ONCE(!io_end, "io_end is NULL: %s: sector %Lu len %u err %d\n",
-		      bio_devname(bio, b),
+	if (WARN_ONCE(!io_end, "io_end is NULL: %pg: sector %Lu len %u err %d\n",
+		      bio->bi_bdev,
 		      (long long) bio->bi_iter.bi_sector,
 		      (unsigned) bio_sectors(bio),
 		      bio->bi_status)) {
@@ -398,10 +397,9 @@ static void io_submit_init_bio(struct ext4_io_submit *io,
 	 * bio_alloc will _always_ be able to allocate a bio if
 	 * __GFP_DIRECT_RECLAIM is set, see comments for bio_alloc_bioset().
 	 */
-	bio = bio_alloc(GFP_NOIO, BIO_MAX_VECS);
+	bio = bio_alloc(bh->b_bdev, BIO_MAX_VECS, 0, GFP_NOIO);
 	fscrypt_set_bio_crypt_ctx_bh(bio, bh, GFP_NOIO);
 	bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);
-	bio_set_dev(bio, bh->b_bdev);
 	bio->bi_end_io = ext4_end_bio;
 	bio->bi_private = ext4_get_io_end(io->io_end);
 	io->io_bio = bio;
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 4cd62f1d848c..1aa26d6634fc 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -365,15 +365,15 @@ int ext4_mpage_readpages(struct inode *inode,
 			 * bio_alloc will _always_ be able to allocate a bio if
 			 * __GFP_DIRECT_RECLAIM is set, see bio_alloc_bioset().
 			 */
-			bio = bio_alloc(GFP_KERNEL, bio_max_segs(nr_pages));
+			bio = bio_alloc(bdev, bio_max_segs(nr_pages),
+					REQ_OP_READ, GFP_KERNEL);
 			fscrypt_set_bio_crypt_ctx(bio, inode, next_block,
 						  GFP_KERNEL);
 			ext4_set_bio_post_read_ctx(bio, inode, page->index);
-			bio_set_dev(bio, bdev);
 			bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9);
 			bio->bi_end_io = mpage_end_io;
-			bio_set_op_attrs(bio, REQ_OP_READ,
-						rac ? REQ_RAHEAD : 0);
+			if (rac)
+				bio->bi_opf |= REQ_RAHEAD;
 		}
 
 		length = first_hole << blkbits;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 8c417864c66a..e71dde8de0db 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -394,7 +394,7 @@ static struct bio *__bio_alloc(struct f2fs_io_info *fio, int npages)
 	struct f2fs_sb_info *sbi = fio->sbi;
 	struct bio *bio;
 
-	bio = bio_alloc_bioset(GFP_NOIO, npages, &f2fs_bioset);
+	bio = bio_alloc_bioset(NULL, npages, 0, GFP_NOIO, &f2fs_bioset);
 
 	f2fs_target_device(sbi, fio->new_blkaddr, bio);
 	if (is_read_io(fio->op)) {
@@ -985,8 +985,8 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
 	struct bio_post_read_ctx *ctx = NULL;
 	unsigned int post_read_steps = 0;
 
-	bio = bio_alloc_bioset(for_write ? GFP_NOIO : GFP_KERNEL,
-			       bio_max_segs(nr_pages), &f2fs_bioset);
+	bio = bio_alloc_bioset(NULL, bio_max_segs(nr_pages), REQ_OP_READ,
+			       for_write ? GFP_NOIO : GFP_KERNEL, &f2fs_bioset);
 	if (!bio)
 		return ERR_PTR(-ENOMEM);
 
@@ -994,7 +994,6 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
 
 	f2fs_target_device(sbi, blkaddr, bio);
 	bio->bi_end_io = f2fs_read_end_io;
-	bio_set_op_attrs(bio, REQ_OP_READ, op_flag);
 
 	if (fscrypt_inode_uses_fs_layer_crypto(inode))
 		post_read_steps |= STEP_DECRYPT;
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index f8d7fe6db989..33d54c9fbefc 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1903,8 +1903,7 @@ static long writeback_sb_inodes(struct super_block *sb,
 			 * unplug, so get our IOs out the door before we
 			 * give up the CPU.
 			 */
-			if (current->plug)
-				blk_flush_plug(current->plug, false);
+			blk_flush_plug(current->plug, false);
 			cond_resched();
 		}
 
@@ -2301,8 +2300,7 @@ void wakeup_flusher_threads(enum wb_reason reason)
 	/*
 	 * If we are expecting writeback progress we must submit plugged IO.
 	 */
-	if (blk_needs_flush_plug(current))
-		blk_flush_plug(current->plug, true);
+	blk_flush_plug(current->plug, true);
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(bdi, &bdi_list, bdi_list)
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index ca0bb3a73912..4ae1eefae616 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -265,10 +265,9 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno,
 				      bio_end_io_t *end_io)
 {
 	struct super_block *sb = sdp->sd_vfs;
-	struct bio *bio = bio_alloc(GFP_NOIO, BIO_MAX_VECS);
+	struct bio *bio = bio_alloc(sb->s_bdev, BIO_MAX_VECS, 0, GFP_NOIO);
 
 	bio->bi_iter.bi_sector = blkno << sdp->sd_fsb2bb_shift;
-	bio_set_dev(bio, sb->s_bdev);
 	bio->bi_end_io = end_io;
 	bio->bi_private = sdp;
 
@@ -489,10 +488,9 @@ static struct bio *gfs2_chain_bio(struct bio *prev, unsigned int nr_iovecs)
 {
 	struct bio *new;
 
-	new = bio_alloc(GFP_NOIO, nr_iovecs);
-	bio_copy_dev(new, prev);
+	new = bio_alloc(prev->bi_bdev, nr_iovecs, prev->bi_opf, GFP_NOIO);
+	bio_clone_blkg_association(new, prev);
 	new->bi_iter.bi_sector = bio_end_sector(prev);
-	new->bi_opf = prev->bi_opf;
 	new->bi_write_hint = prev->bi_write_hint;
 	bio_chain(new, prev);
 	submit_bio(prev);
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 72d30a682ece..a580b90b7522 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -222,9 +222,8 @@ static void gfs2_submit_bhs(int op, int op_flags, struct buffer_head *bhs[],
 		struct buffer_head *bh = *bhs;
 		struct bio *bio;
 
-		bio = bio_alloc(GFP_NOIO, num);
+		bio = bio_alloc(bh->b_bdev, num, op | op_flags, GFP_NOIO);
 		bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);
-		bio_set_dev(bio, bh->b_bdev);
 		while (num > 0) {
 			bh = *bhs;
 			if (!bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh))) {
@@ -235,7 +234,6 @@ static void gfs2_submit_bhs(int op, int op_flags, struct buffer_head *bhs[],
 			num--;
 		}
 		bio->bi_end_io = gfs2_meta_read_endio;
-		bio_set_op_attrs(bio, op, op_flags);
 		submit_bio(bio);
 	}
 }
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 7f8410d8fdc1..c9b423c874a3 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -251,14 +251,12 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent)
 	ClearPageDirty(page);
 	lock_page(page);
 
-	bio = bio_alloc(GFP_NOFS, 1);
+	bio = bio_alloc(sb->s_bdev, 1, REQ_OP_READ | REQ_META, GFP_NOFS);
 	bio->bi_iter.bi_sector = sector * (sb->s_blocksize >> 9);
-	bio_set_dev(bio, sb->s_bdev);
 	bio_add_page(bio, page, PAGE_SIZE, 0);
 
 	bio->bi_end_io = end_bio_io_page;
 	bio->bi_private = page;
-	bio_set_op_attrs(bio, REQ_OP_READ, REQ_META);
 	submit_bio(bio);
 	wait_on_page_locked(page);
 	bio_put(bio);
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index a6002b2d146d..d87ea98cf535 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -15,7 +15,7 @@
 #include <linux/kobject.h>
 #include <linux/uaccess.h>
 #include <linux/gfs2_ondisk.h>
-#include <linux/genhd.h>
+#include <linux/blkdev.h>
 
 #include "gfs2.h"
 #include "incore.h"
diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index 5beb82652435..8082eb01127c 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -9,7 +9,7 @@
  */
 
 #include <linux/cdrom.h>
-#include <linux/genhd.h>
+#include <linux/blkdev.h>
 #include <linux/nls.h>
 #include <linux/slab.h>
 
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 51ae6f1eb4a5..0b8ad6586df5 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -12,7 +12,6 @@
 #include <linux/fs.h>
 #include <linux/blkdev.h>
 #include <linux/cdrom.h>
-#include <linux/genhd.h>
 #include <asm/unaligned.h>
 
 #include "hfsplus_fs.h"
@@ -64,10 +63,8 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
 	offset = start & (io_size - 1);
 	sector &= ~((io_size >> HFSPLUS_SECTOR_SHIFT) - 1);
 
-	bio = bio_alloc(GFP_NOIO, 1);
+	bio = bio_alloc(sb->s_bdev, 1, op | op_flags, GFP_NOIO);
 	bio->bi_iter.bi_sector = sector;
-	bio_set_dev(bio, sb->s_bdev);
-	bio_set_op_attrs(bio, op, op_flags);
 
 	if (op != WRITE && data)
 		*data = (u8 *)buf + offset;
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 6c51a75d0be6..4653f3d07a1d 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -292,19 +292,20 @@ static loff_t iomap_readpage_iter(const struct iomap_iter *iter,
 
 		if (ctx->rac) /* same as readahead_gfp_mask */
 			gfp |= __GFP_NORETRY | __GFP_NOWARN;
-		ctx->bio = bio_alloc(gfp, bio_max_segs(nr_vecs));
+		ctx->bio = bio_alloc(iomap->bdev, bio_max_segs(nr_vecs),
+				     REQ_OP_READ, gfp);
 		/*
 		 * If the bio_alloc fails, try it again for a single page to
 		 * avoid having to deal with partial page reads.  This emulates
 		 * what do_mpage_readpage does.
 		 */
-		if (!ctx->bio)
-			ctx->bio = bio_alloc(orig_gfp, 1);
-		ctx->bio->bi_opf = REQ_OP_READ;
+		if (!ctx->bio) {
+			ctx->bio = bio_alloc(iomap->bdev, 1, REQ_OP_READ,
+					     orig_gfp);
+		}
 		if (ctx->rac)
 			ctx->bio->bi_opf |= REQ_RAHEAD;
 		ctx->bio->bi_iter.bi_sector = sector;
-		bio_set_dev(ctx->bio, iomap->bdev);
 		ctx->bio->bi_end_io = iomap_read_end_io;
 		bio_add_folio(ctx->bio, folio, plen, poff);
 	}
@@ -550,10 +551,8 @@ static int iomap_read_folio_sync(loff_t block_start, struct folio *folio,
 	struct bio_vec bvec;
 	struct bio bio;
 
-	bio_init(&bio, &bvec, 1);
-	bio.bi_opf = REQ_OP_READ;
+	bio_init(&bio, iomap->bdev, &bvec, 1, REQ_OP_READ);
 	bio.bi_iter.bi_sector = iomap_sector(iomap, block_start);
-	bio_set_dev(&bio, iomap->bdev);
 	bio_add_folio(&bio, folio, plen, poff);
 	return submit_bio_wait(&bio);
 }
@@ -1229,10 +1228,10 @@ iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc,
 	struct iomap_ioend *ioend;
 	struct bio *bio;
 
-	bio = bio_alloc_bioset(GFP_NOFS, BIO_MAX_VECS, &iomap_ioend_bioset);
-	bio_set_dev(bio, wpc->iomap.bdev);
+	bio = bio_alloc_bioset(wpc->iomap.bdev, BIO_MAX_VECS,
+			       REQ_OP_WRITE | wbc_to_write_flags(wbc),
+			       GFP_NOFS, &iomap_ioend_bioset);
 	bio->bi_iter.bi_sector = sector;
-	bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc);
 	bio->bi_write_hint = inode->i_write_hint;
 	wbc_init_bio(wbc, bio);
 
@@ -1261,10 +1260,9 @@ iomap_chain_bio(struct bio *prev)
 {
 	struct bio *new;
 
-	new = bio_alloc(GFP_NOFS, BIO_MAX_VECS);
-	bio_copy_dev(new, prev);/* also copies over blkcg information */
+	new = bio_alloc(prev->bi_bdev, BIO_MAX_VECS, prev->bi_opf, GFP_NOFS);
+	bio_clone_blkg_association(new, prev);
 	new->bi_iter.bi_sector = bio_end_sector(prev);
-	new->bi_opf = prev->bi_opf;
 	new->bi_write_hint = prev->bi_write_hint;
 
 	bio_chain(prev, new);
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 03ea367df19a..e2ba13645ef2 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -183,15 +183,13 @@ static void iomap_dio_zero(const struct iomap_iter *iter, struct iomap_dio *dio,
 	int flags = REQ_SYNC | REQ_IDLE;
 	struct bio *bio;
 
-	bio = bio_alloc(GFP_KERNEL, 1);
-	bio_set_dev(bio, iter->iomap.bdev);
+	bio = bio_alloc(iter->iomap.bdev, 1, REQ_OP_WRITE | flags, GFP_KERNEL);
 	bio->bi_iter.bi_sector = iomap_sector(&iter->iomap, pos);
 	bio->bi_private = dio;
 	bio->bi_end_io = iomap_dio_bio_end_io;
 
 	get_page(page);
 	__bio_add_page(bio, page, len, 0);
-	bio_set_op_attrs(bio, REQ_OP_WRITE, flags);
 	iomap_dio_submit_bio(iter, dio, bio, pos);
 }
 
@@ -309,14 +307,12 @@ static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
 			goto out;
 		}
 
-		bio = bio_alloc(GFP_KERNEL, nr_pages);
-		bio_set_dev(bio, iomap->bdev);
+		bio = bio_alloc(iomap->bdev, nr_pages, bio_opf, GFP_KERNEL);
 		bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
 		bio->bi_write_hint = dio->iocb->ki_hint;
 		bio->bi_ioprio = dio->iocb->ki_ioprio;
 		bio->bi_private = dio;
 		bio->bi_end_io = iomap_dio_bio_end_io;
-		bio->bi_opf = bio_opf;
 
 		ret = bio_iov_iter_get_pages(bio, dio->submit.iter);
 		if (unlikely(ret)) {
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 78fd136ac13b..997c81fcea34 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1980,17 +1980,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
 
 	bp->l_flag |= lbmREAD;
 
-	bio = bio_alloc(GFP_NOFS, 1);
-
+	bio = bio_alloc(log->bdev, 1, REQ_OP_READ, GFP_NOFS);
 	bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
-	bio_set_dev(bio, log->bdev);
-
 	bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
 	BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
 
 	bio->bi_end_io = lbmIODone;
 	bio->bi_private = bp;
-	bio->bi_opf = REQ_OP_READ;
 	/*check if journaling to disk has been disabled*/
 	if (log->no_integrity) {
 		bio->bi_iter.bi_size = 0;
@@ -2125,16 +2121,13 @@ static void lbmStartIO(struct lbuf * bp)
 
 	jfs_info("lbmStartIO");
 
-	bio = bio_alloc(GFP_NOFS, 1);
+	bio = bio_alloc(log->bdev, 1, REQ_OP_WRITE | REQ_SYNC, GFP_NOFS);
 	bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
-	bio_set_dev(bio, log->bdev);
-
 	bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
 	BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
 
 	bio->bi_end_io = lbmIODone;
 	bio->bi_private = bp;
-	bio->bi_opf = REQ_OP_WRITE | REQ_SYNC;
 
 	/* check if journaling to disk has been disabled */
 	if (log->no_integrity) {
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 104ae698443e..fde1a9cf902e 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -417,12 +417,10 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc)
 		}
 		len = min(xlen, (int)JFS_SBI(inode->i_sb)->nbperpage);
 
-		bio = bio_alloc(GFP_NOFS, 1);
-		bio_set_dev(bio, inode->i_sb->s_bdev);
+		bio = bio_alloc(inode->i_sb->s_bdev, 1, REQ_OP_WRITE, GFP_NOFS);
 		bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9);
 		bio->bi_end_io = metapage_write_end_io;
 		bio->bi_private = page;
-		bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
 
 		/* Don't call bio_add_page yet, we may add to this vec */
 		bio_offset = offset;
@@ -497,13 +495,12 @@ static int metapage_readpage(struct file *fp, struct page *page)
 			if (bio)
 				submit_bio(bio);
 
-			bio = bio_alloc(GFP_NOFS, 1);
-			bio_set_dev(bio, inode->i_sb->s_bdev);
+			bio = bio_alloc(inode->i_sb->s_bdev, 1, REQ_OP_READ,
+					GFP_NOFS);
 			bio->bi_iter.bi_sector =
 				pblock << (inode->i_blkbits - 9);
 			bio->bi_end_io = metapage_read_end_io;
 			bio->bi_private = page;
-			bio_set_op_attrs(bio, REQ_OP_READ, 0);
 			len = xlen << inode->i_blkbits;
 			offset = block_offset << inode->i_blkbits;
 			if (bio_add_page(bio, page, len, offset) < len)
diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c
index 19d36393974c..9cebb6ba555b 100644
--- a/fs/ksmbd/vfs.c
+++ b/fs/ksmbd/vfs.c
@@ -11,7 +11,6 @@
 #include <linux/writeback.h>
 #include <linux/xattr.h>
 #include <linux/falloc.h>
-#include <linux/genhd.h>
 #include <linux/fsnotify.h>
 #include <linux/dcache.h>
 #include <linux/slab.h>
diff --git a/fs/mpage.c b/fs/mpage.c
index 87f5cfef6caa..dbfc02e23d97 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -66,29 +66,6 @@ static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio)
 	return NULL;
 }
 
-static struct bio *
-mpage_alloc(struct block_device *bdev,
-		sector_t first_sector, int nr_vecs,
-		gfp_t gfp_flags)
-{
-	struct bio *bio;
-
-	/* Restrict the given (page cache) mask for slab allocations */
-	gfp_flags &= GFP_KERNEL;
-	bio = bio_alloc(gfp_flags, nr_vecs);
-
-	if (bio == NULL && (current->flags & PF_MEMALLOC)) {
-		while (!bio && (nr_vecs /= 2))
-			bio = bio_alloc(gfp_flags, nr_vecs);
-	}
-
-	if (bio) {
-		bio_set_dev(bio, bdev);
-		bio->bi_iter.bi_sector = first_sector;
-	}
-	return bio;
-}
-
 /*
  * support function for mpage_readahead.  The fs supplied get_block might
  * return an up to date buffer.  This is used to map that buffer into
@@ -296,10 +273,11 @@ alloc_new:
 								page))
 				goto out;
 		}
-		args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
-					bio_max_segs(args->nr_pages), gfp);
+		args->bio = bio_alloc(bdev, bio_max_segs(args->nr_pages), 0,
+				      gfp);
 		if (args->bio == NULL)
 			goto confused;
+		args->bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9);
 	}
 
 	length = first_hole << blkbits;
@@ -608,10 +586,8 @@ alloc_new:
 								page, wbc))
 				goto out;
 		}
-		bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
-				BIO_MAX_VECS, GFP_NOFS|__GFP_HIGH);
-		if (bio == NULL)
-			goto confused;
+		bio = bio_alloc(bdev, BIO_MAX_VECS, 0, GFP_NOFS);
+		bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9);
 
 		wbc_init_bio(wbc, bio);
 		bio->bi_write_hint = inode->i_write_hint;
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index fe860c538747..79a8b451791f 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -115,23 +115,6 @@ bl_submit_bio(struct bio *bio)
 	return NULL;
 }
 
-static struct bio *bl_alloc_init_bio(unsigned int npg,
-		struct block_device *bdev, sector_t disk_sector,
-		bio_end_io_t end_io, struct parallel_io *par)
-{
-	struct bio *bio;
-
-	npg = bio_max_segs(npg);
-	bio = bio_alloc(GFP_NOIO, npg);
-	if (bio) {
-		bio->bi_iter.bi_sector = disk_sector;
-		bio_set_dev(bio, bdev);
-		bio->bi_end_io = end_io;
-		bio->bi_private = par;
-	}
-	return bio;
-}
-
 static bool offset_in_map(u64 offset, struct pnfs_block_dev_map *map)
 {
 	return offset >= map->start && offset < map->start + map->len;
@@ -171,11 +154,10 @@ do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect,
 
 retry:
 	if (!bio) {
-		bio = bl_alloc_init_bio(npg, map->bdev,
-				disk_addr >> SECTOR_SHIFT, end_io, par);
-		if (!bio)
-			return ERR_PTR(-ENOMEM);
-		bio_set_op_attrs(bio, rw, 0);
+		bio = bio_alloc(map->bdev, bio_max_segs(npg), rw, GFP_NOIO);
+		bio->bi_iter.bi_sector = disk_addr >> SECTOR_SHIFT;
+		bio->bi_end_io = end_io;
+		bio->bi_private = par;
 	}
 	if (bio_add_page(bio, page, *len, offset) < *len) {
 		bio = bl_submit_bio(bio);
diff --git a/fs/nfs/blocklayout/rpc_pipefs.c b/fs/nfs/blocklayout/rpc_pipefs.c
index ef9db135c649..6c977288cc28 100644
--- a/fs/nfs/blocklayout/rpc_pipefs.c
+++ b/fs/nfs/blocklayout/rpc_pipefs.c
@@ -27,7 +27,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/genhd.h>
 #include <linux/blkdev.h>
 
 #include "blocklayout.h"
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index e5c0982a381d..b6d01d51a746 100644
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -4,7 +4,6 @@
  */
 #include <linux/exportfs.h>
 #include <linux/iomap.h>
-#include <linux/genhd.h>
 #include <linux/slab.h>
 #include <linux/pr.h>
 
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 43287b0d3e9b..4f71faacd825 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -371,29 +371,6 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
 	return err;
 }
 
-/**
- * nilfs_alloc_seg_bio - allocate a new bio for writing log
- * @nilfs: nilfs object
- * @start: start block number of the bio
- * @nr_vecs: request size of page vector.
- *
- * Return Value: On success, pointer to the struct bio is returned.
- * On error, NULL is returned.
- */
-static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start,
-				       int nr_vecs)
-{
-	struct bio *bio;
-
-	bio = bio_alloc(GFP_NOIO, nr_vecs);
-	if (likely(bio)) {
-		bio_set_dev(bio, nilfs->ns_bdev);
-		bio->bi_iter.bi_sector =
-			start << (nilfs->ns_blocksize_bits - 9);
-	}
-	return bio;
-}
-
 static void nilfs_segbuf_prepare_write(struct nilfs_segment_buffer *segbuf,
 				       struct nilfs_write_info *wi)
 {
@@ -414,10 +391,10 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
 	BUG_ON(wi->nr_vecs <= 0);
  repeat:
 	if (!wi->bio) {
-		wi->bio = nilfs_alloc_seg_bio(wi->nilfs, wi->blocknr + wi->end,
-					      wi->nr_vecs);
-		if (unlikely(!wi->bio))
-			return -ENOMEM;
+		wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs, 0,
+				    GFP_NOIO);
+		wi->bio->bi_iter.bi_sector = (wi->blocknr + wi->end) <<
+			(wi->nilfs->ns_blocksize_bits - 9);
 	}
 
 	len = bio_add_page(wi->bio, bh->b_page, bh->b_size, bh_offset(bh));
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 4de9acb16968..3de5700a9b83 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -1443,17 +1443,6 @@ int ntfs_write_bh(struct ntfs_sb_info *sbi, struct NTFS_RECORD_HEADER *rhdr,
 	return err;
 }
 
-static inline struct bio *ntfs_alloc_bio(u32 nr_vecs)
-{
-	struct bio *bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
-
-	if (!bio && (current->flags & PF_MEMALLOC)) {
-		while (!bio && (nr_vecs /= 2))
-			bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
-	}
-	return bio;
-}
-
 /*
  * ntfs_bio_pages - Read/write pages from/to disk.
  */
@@ -1496,19 +1485,13 @@ int ntfs_bio_pages(struct ntfs_sb_info *sbi, const struct runs_tree *run,
 		lbo = ((u64)lcn << cluster_bits) + off;
 		len = ((u64)clen << cluster_bits) - off;
 new_bio:
-		new = ntfs_alloc_bio(nr_pages - page_idx);
-		if (!new) {
-			err = -ENOMEM;
-			goto out;
-		}
+		new = bio_alloc(bdev, nr_pages - page_idx, op, GFP_NOFS);
 		if (bio) {
 			bio_chain(bio, new);
 			submit_bio(bio);
 		}
 		bio = new;
-		bio_set_dev(bio, bdev);
 		bio->bi_iter.bi_sector = lbo >> 9;
-		bio->bi_opf = op;
 
 		while (len) {
 			off = vbo & (PAGE_SIZE - 1);
@@ -1599,18 +1582,12 @@ int ntfs_bio_fill_1(struct ntfs_sb_info *sbi, const struct runs_tree *run)
 		lbo = (u64)lcn << cluster_bits;
 		len = (u64)clen << cluster_bits;
 new_bio:
-		new = ntfs_alloc_bio(BIO_MAX_VECS);
-		if (!new) {
-			err = -ENOMEM;
-			break;
-		}
+		new = bio_alloc(bdev, BIO_MAX_VECS, REQ_OP_WRITE, GFP_NOFS);
 		if (bio) {
 			bio_chain(bio, new);
 			submit_bio(bio);
 		}
 		bio = new;
-		bio_set_dev(bio, bdev);
-		bio->bi_opf = REQ_OP_WRITE;
 		bio->bi_iter.bi_sector = lbo >> 9;
 
 		for (;;) {
@@ -1626,11 +1603,10 @@ new_bio:
 		}
 	} while (run_get_entry(run, ++run_idx, NULL, &lcn, &clen));
 
-	if (bio) {
-		if (!err)
-			err = submit_bio_wait(bio);
-		bio_put(bio);
-	}
+	if (!err)
+		err = submit_bio_wait(bio);
+	bio_put(bio);
+
 	blk_finish_plug(&plug);
 out:
 	unlock_page(fill);
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index a17be1618bf7..ea0e70c0fce0 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -518,7 +518,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
 	 * GFP_KERNEL that the local node can get fenced. It would be
 	 * nicest if we could pre-allocate these bios and avoid this
 	 * all together. */
-	bio = bio_alloc(GFP_ATOMIC, 16);
+	bio = bio_alloc(reg->hr_bdev, 16, op | op_flags, GFP_ATOMIC);
 	if (!bio) {
 		mlog(ML_ERROR, "Could not alloc slots BIO!\n");
 		bio = ERR_PTR(-ENOMEM);
@@ -527,10 +527,8 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
 
 	/* Must put everything in 512 byte sectors for the bio... */
 	bio->bi_iter.bi_sector = (reg->hr_start_block + cs) << (bits - 9);
-	bio_set_dev(bio, reg->hr_bdev);
 	bio->bi_private = wc;
 	bio->bi_end_io = o2hb_bio_end_io;
-	bio_set_op_attrs(bio, op, op_flags);
 
 	vec_start = (cs << bits) % PAGE_SIZE;
 	while(cs < max_slots) {
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 2db8bcf7ff85..622c844f6d11 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -86,16 +86,17 @@ static int squashfs_bio_read(struct super_block *sb, u64 index, int length,
 	int error, i;
 	struct bio *bio;
 
-	if (page_count <= BIO_MAX_VECS)
-		bio = bio_alloc(GFP_NOIO, page_count);
-	else
+	if (page_count <= BIO_MAX_VECS) {
+		bio = bio_alloc(sb->s_bdev, page_count, REQ_OP_READ, GFP_NOIO);
+	} else {
 		bio = bio_kmalloc(GFP_NOIO, page_count);
+		bio_set_dev(bio, sb->s_bdev);
+		bio->bi_opf = REQ_OP_READ;
+	}
 
 	if (!bio)
 		return -ENOMEM;
 
-	bio_set_dev(bio, sb->s_bdev);
-	bio->bi_opf = READ;
 	bio->bi_iter.bi_sector = block * (msblk->devblksize >> SECTOR_SHIFT);
 
 	for (i = 0; i < page_count; ++i) {
diff --git a/fs/xfs/xfs_bio_io.c b/fs/xfs/xfs_bio_io.c
index 667e297f59b1..32fa02945f73 100644
--- a/fs/xfs/xfs_bio_io.c
+++ b/fs/xfs/xfs_bio_io.c
@@ -36,9 +36,7 @@ xfs_flush_bdev_async(
 		return;
 	}
 
-	bio_init(bio, NULL, 0);
-	bio_set_dev(bio, bdev);
-	bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC;
+	bio_init(bio, bdev, NULL, 0, REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC);
 	bio->bi_private = done;
 	bio->bi_end_io = xfs_flush_bdev_async_endio;
 
@@ -61,10 +59,9 @@ xfs_rw_bdev(
 	if (is_vmalloc && op == REQ_OP_WRITE)
 		flush_kernel_vmap_range(data, count);
 
-	bio = bio_alloc(GFP_KERNEL, bio_max_vecs(left));
-	bio_set_dev(bio, bdev);
+	bio = bio_alloc(bdev, bio_max_vecs(left), op | REQ_META | REQ_SYNC,
+			GFP_KERNEL);
 	bio->bi_iter.bi_sector = sector;
-	bio->bi_opf = op | REQ_META | REQ_SYNC;
 
 	do {
 		struct page	*page = kmem_to_page(data);
@@ -74,10 +71,9 @@ xfs_rw_bdev(
 		while (bio_add_page(bio, page, len, off) != len) {
 			struct bio	*prev = bio;
 
-			bio = bio_alloc(GFP_KERNEL, bio_max_vecs(left));
-			bio_copy_dev(bio, prev);
+			bio = bio_alloc(prev->bi_bdev, bio_max_vecs(left),
+					prev->bi_opf, GFP_KERNEL);
 			bio->bi_iter.bi_sector = bio_end_sector(prev);
-			bio->bi_opf = prev->bi_opf;
 			bio_chain(prev, bio);
 
 			submit_bio(prev);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index b45e0d50a405..ae87fd95b17e 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1440,12 +1440,10 @@ next_chunk:
 	atomic_inc(&bp->b_io_remaining);
 	nr_pages = bio_max_segs(total_nr_pages);
 
-	bio = bio_alloc(GFP_NOIO, nr_pages);
-	bio_set_dev(bio, bp->b_target->bt_bdev);
+	bio = bio_alloc(bp->b_target->bt_bdev, nr_pages, op, GFP_NOIO);
 	bio->bi_iter.bi_sector = sector;
 	bio->bi_end_io = xfs_buf_bio_end_io;
 	bio->bi_private = bp;
-	bio->bi_opf = op;
 
 	for (; size && nr_pages; nr_pages--, page_index++) {
 		int	rbytes, nbytes = PAGE_SIZE - offset;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 89fec9a18c34..16f9edbda4eb 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1883,19 +1883,19 @@ xlog_write_iclog(
 		return;
 	}
 
-	bio_init(&iclog->ic_bio, iclog->ic_bvec, howmany(count, PAGE_SIZE));
-	bio_set_dev(&iclog->ic_bio, log->l_targ->bt_bdev);
-	iclog->ic_bio.bi_iter.bi_sector = log->l_logBBstart + bno;
-	iclog->ic_bio.bi_end_io = xlog_bio_end_io;
-	iclog->ic_bio.bi_private = iclog;
-
 	/*
 	 * We use REQ_SYNC | REQ_IDLE here to tell the block layer the are more
 	 * IOs coming immediately after this one. This prevents the block layer
 	 * writeback throttle from throttling log writes behind background
 	 * metadata writeback and causing priority inversions.
 	 */
-	iclog->ic_bio.bi_opf = REQ_OP_WRITE | REQ_META | REQ_SYNC | REQ_IDLE;
+	bio_init(&iclog->ic_bio, log->l_targ->bt_bdev, iclog->ic_bvec,
+		 howmany(count, PAGE_SIZE),
+		 REQ_OP_WRITE | REQ_META | REQ_SYNC | REQ_IDLE);
+	iclog->ic_bio.bi_iter.bi_sector = log->l_logBBstart + bno;
+	iclog->ic_bio.bi_end_io = xlog_bio_end_io;
+	iclog->ic_bio.bi_private = iclog;
+
 	if (iclog->ic_flags & XLOG_ICL_NEED_FLUSH) {
 		iclog->ic_bio.bi_opf |= REQ_PREFLUSH;
 		/*
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index b76dfb310ab6..d331b52592a0 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -692,12 +692,11 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
 	if (!nr_pages)
 		return 0;
 
-	bio = bio_alloc(GFP_NOFS, nr_pages);
-	bio_set_dev(bio, bdev);
+	bio = bio_alloc(bdev, nr_pages,
+			REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE, GFP_NOFS);
 	bio->bi_iter.bi_sector = zi->i_zsector;
 	bio->bi_write_hint = iocb->ki_hint;
 	bio->bi_ioprio = iocb->ki_ioprio;
-	bio->bi_opf = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE;
 	if (iocb->ki_flags & IOCB_DSYNC)
 		bio->bi_opf |= REQ_FUA;
 
@@ -1541,10 +1540,8 @@ static int zonefs_read_super(struct super_block *sb)
 	if (!page)
 		return -ENOMEM;
 
-	bio_init(&bio, &bio_vec, 1);
+	bio_init(&bio, sb->s_bdev, &bio_vec, 1, REQ_OP_READ);
 	bio.bi_iter.bi_sector = 0;
-	bio.bi_opf = REQ_OP_READ;
-	bio_set_dev(&bio, sb->s_bdev);
 	bio_add_page(&bio, page, PAGE_SIZE, 0);
 
 	ret = submit_bio_wait(&bio);