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block: mark bio_add_page as __must_check

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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@opensource.wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/7ae4a902e08fe2e90c012ee07aeb35d4aae28373.1685532726.git.johannes.thumshirn@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Johannes Thumshirn 2023-05-31 04:50:40 -07:00 committed by Jens Axboe
parent 2c550517bc
commit 83f2caaaf9
1 changed files with 2 additions and 1 deletions
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include/linux/bio.h
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@ -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);