linux-kernel - [RFC PATCH 14/34] fs/buffer: use bio_new in submit_bh

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Date:   Wed, 27 Jan 2021 23:11:13 -0800
From:   Chaitanya Kulkarni <chaitanya.kulkarni@....com>
To:     linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        dm-devel@...hat.com, linux-block@...r.kernel.org,
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Subject: [RFC PATCH 14/34] fs/buffer: use bio_new in submit_bh_wbc

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@....com>
---
 fs/buffer.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 32647d2011df..fcbea667fa04 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3023,12 +3023,16 @@ 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_new(bh->b_bdev,  bh->b_blocknr * (bh->b_size >> 9), op,
+		      op_flags, GFP_NOIO, 1);
 
 	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));
@@ -3037,12 +3041,6 @@ 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);
 
-- 
2.22.1