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| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2023-05-31 14:50:41 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-01 18:13:31 +0300 |
| commit | 7a150f1ed19b709837e98571f49ab1ff2625ca89 (patch) | |
| tree | 4892853eb8700325115e159472ec3d49bb4c3735 | |
| parent | 83f2caaaf9cb25fe74775a59bf2662f184bfaa08 (diff) | |
| download | linux-7a150f1ed19b709837e98571f49ab1ff2625ca89.tar.xz | |
block: add bio_add_folio_nofail
Just like for bio_add_pages() add a no-fail variant for bio_add_folio().
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/924dff4077812804398ef84128fb920507fa4be1.1685532726.git.johannes.thumshirn@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/bio.c | 8 | ||||
| -rw-r--r-- | include/linux/bio.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index 798cc4cf3bd2..8672179213b9 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1138,6 +1138,14 @@ int bio_add_page(struct bio *bio, struct page *page, } EXPORT_SYMBOL(bio_add_page); +void bio_add_folio_nofail(struct bio *bio, struct folio *folio, size_t len, + size_t off) +{ + WARN_ON_ONCE(len > UINT_MAX); + WARN_ON_ONCE(off > UINT_MAX); + __bio_add_page(bio, &folio->page, len, off); +} + /** * bio_add_folio - Attempt to add part of a folio to a bio. * @bio: BIO to add to. diff --git a/include/linux/bio.h b/include/linux/bio.h index d63f0bb47c65..0002bd78e02d 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -474,6 +474,8 @@ int bio_add_zone_append_page(struct bio *bio, struct page *page, unsigned int len, unsigned int offset); void __bio_add_page(struct bio *bio, struct page *page, unsigned int len, unsigned int off); +void bio_add_folio_nofail(struct bio *bio, struct folio *folio, size_t len, + size_t off); int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter); void bio_iov_bvec_set(struct bio *bio, struct iov_iter *iter); void __bio_release_pages(struct bio *bio, bool mark_dirty); |