[dm-devel] [PATCH v7 17/20] block: mark bio_add_page as __must_check

Johannes Thumshirn johannes.thumshirn at wdc.com
Wed May 31 11:50:40 UTC 2023


Now that all users of bio_add_page check for the return value, mark
bio_add_page as __must_check.

Reviewed-by: Damien Le Moal <damien.lemoal at opensource.wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn at wdc.com>
---
 include/linux/bio.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index b3e7529ff55e..ea2d937d3cba 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -465,7 +465,8 @@ extern void bio_uninit(struct bio *);
 void bio_reset(struct bio *bio, struct block_device *bdev, blk_opf_t opf);
 void bio_chain(struct bio *, struct bio *);
 
-int bio_add_page(struct bio *, struct page *, unsigned len, unsigned off);
+int __must_check bio_add_page(struct bio *bio, struct page *page, unsigned len,
+			      unsigned off);
 bool bio_add_folio(struct bio *, struct folio *, size_t len, size_t off);
 extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
 			   unsigned int, unsigned int);
-- 
2.40.1



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