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| author | Christoph Hellwig <hch@lst.de> | 2026-05-07 08:01:48 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-05-13 22:55:18 +0300 |
| commit | e7b8b3c5b2a65595d506ffedafac66f0a11fbdc2 (patch) | |
| tree | 229c5a1ecd9d6f1242ff1b85d10c2488eee3dacb | |
| parent | 32d5019ed3b6ff4439cb075fb275f655c8a2059c (diff) | |
| download | linux-e7b8b3c5b2a65595d506ffedafac66f0a11fbdc2.tar.xz | |
block: align down bounces bios
Just like for the extract user pages path, we need to align down the
size to the supported boundary.
Fixes: 8dd5e7c75d7b ("block: add helpers to bounce buffer an iov_iter into bios")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Link: https://patch.msgid.link/20260507050153.1298375-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/bio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/bio.c b/block/bio.c index f3e5d8bea08c..5f10900b3f42 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1345,7 +1345,7 @@ static int bio_iov_iter_bounce_write(struct bio *bio, struct iov_iter *iter, if (!bio->bi_iter.bi_size) return -ENOMEM; - return 0; + return bio_iov_iter_align_down(bio, iter, minsize - 1); } static int bio_iov_iter_bounce_read(struct bio *bio, struct iov_iter *iter, @@ -1383,7 +1383,7 @@ static int bio_iov_iter_bounce_read(struct bio *bio, struct iov_iter *iter, bvec_set_folio(&bio->bi_io_vec[0], folio, bio->bi_iter.bi_size, 0); if (iov_iter_extract_will_pin(iter)) bio_set_flag(bio, BIO_PAGE_PINNED); - return 0; + return bio_iov_iter_align_down(bio, iter, minsize - 1); } /** |