[PATCH 2/3] ext4: pass the operation to bio_alloc

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Refactor the readpage code to pass the op to bio_alloc instead of setting
it just before the submission.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/ext4/page-io.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 1253982268730..35ada7baf41e5 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -372,10 +372,9 @@ void ext4_io_submit(struct ext4_io_submit *io)
 	struct bio *bio = io->io_bio;
 
 	if (bio) {
-		int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ?
-				  REQ_SYNC : 0;
+		if (io->io_wbc->sync_mode == WB_SYNC_ALL)
+			io->io_bio->bi_opf |= REQ_SYNC;
 		io->io_bio->bi_write_hint = io->io_end->inode->i_write_hint;
-		bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags);
 		submit_bio(io->io_bio);
 	}
 	io->io_bio = NULL;
@@ -398,7 +397,7 @@ 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(bh->b_bdev, BIO_MAX_VECS, 0, GFP_NOIO);
+	bio = bio_alloc(bh->b_bdev, BIO_MAX_VECS, REQ_OP_WRITE, 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->bi_end_io = ext4_end_bio;
-- 
2.30.2




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