[PATCH v5 02/20] drbd: use __bio_add_page to add page to bio

Johannes Thumshirn
2023-05-02T15:38:09Z

The drbd code only adds a single page to a newly created bio. So use
__bio_add_page() to add the page which is guaranteed to succeed in this
case.

This brings us closer to marking bio_add_page() as __must_check.

Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
drivers/block/drbd/drbd_bitmap.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 6ac8c54b44c7..85ca000a0564 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1043,9 +1043,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
bio = bio_alloc_bioset(device->ldev->md_bdev, 1, op, GFP_NOIO,
&drbd_md_io_bio_set);
bio->bi_iter.bi_sector = on_disk_sector;
- /* bio_add_page of a single page to an empty bio will always succeed,
- * according to api. Do we want to assert that? */
- bio_add_page(bio, page, len, 0);
+ __bio_add_page(bio, page, len, 0);
bio->bi_private = ctx;
bio->bi_end_io = drbd_bm_endio;

--
2.40.0