[RFC PATCH 31/34] iomap: use bio_new in iomap_readpage_actor

[Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>]

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
---
 fs/iomap/buffered-io.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 16a1e82e3aeb..08d119b62cf5 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -241,6 +241,9 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, 
loff_t length, void *data,
        struct page *page = ctx->cur_page;
        struct iomap_page *iop = iomap_page_create(inode, page);
        bool same_page = false, is_contig = false;
+       struct block_device *bdev = iomap->bdev;
+       unsigned opf = ctx->rac ? REQ_RAHEAD : 0;
+       unsigned op = REQ_OP_READ;
        loff_t orig_pos = pos;
        unsigned poff, plen;
        sector_t sector;
@@ -285,19 +288,14 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, 
loff_t length, void *data,
 
                if (ctx->rac) /* same as readahead_gfp_mask */
                        gfp |= __GFP_NORETRY | __GFP_NOWARN;
-               ctx->bio = bio_alloc(gfp, min(BIO_MAX_PAGES, nr_vecs));
+               ctx->bio = bio_new(bdev, sector, op, opf, gfp, nr_vecs);
                /*
                 * 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->rac)
-                       ctx->bio->bi_opf |= REQ_RAHEAD;
-               ctx->bio->bi_iter.bi_sector = sector;
-               bio_set_dev(ctx->bio, iomap->bdev);
+                       ctx->bio = bio_new(bdev, sector, op, opf, orig_gfp, 1);
                ctx->bio->bi_end_io = iomap_read_end_io;
        }
 
-- 
2.22.1