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block: downgrade a bio_full call in bio_add_page

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bio_add_page already checks that there is space in bi_size a little
earlier.  So after we failed to add to an existing segment, just check
that there is another one available instead of duplicating the bi_size
check.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jinyoung Choi <j-young.choi@samsung.com>
Link: https://lore.kernel.org/r/20230724165433.117645-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-07-24 09:54:31 -07:00 committed by Jens Axboe
parent 613699050a
commit 80232b5203
1 changed files with 1 additions and 1 deletions
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block/bio.c
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@ -1126,7 +1126,7 @@ int bio_add_page(struct bio *bio, struct page *page,
__bio_try_merge_page(bio, page, len, offset, &same_page))
return len;
if (bio_full(bio, len))
if (bio->bi_vcnt >= bio->bi_max_vecs)
return 0;
__bio_add_page(bio, page, len, offset);
return len;