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| author | John Garry <john.g.garry@oracle.com> | 2024-12-02 14:57:27 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-12-12 18:43:28 +0300 |
| commit | 2f4873f9b5f8a49113045ad91c021347486de323 (patch) | |
| tree | 58689e328dd974272eac5428c99934ef212f5fc2 | |
| parent | 790eb09e59709a1ffc1c64fe4aae2789120851b0 (diff) | |
| download | linux-2f4873f9b5f8a49113045ad91c021347486de323.tar.xz | |
block: Make bio_iov_bvec_set() accept pointer to const iov_iter
Make bio_iov_bvec_set() accept a pointer to const iov_iter, which means
that we can drop the undesirable casting to struct iov_iter pointer in
blk_rq_map_user_bvec().
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20241202115727.2320401-1-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/bio.c | 2 | ||||
| -rw-r--r-- | block/blk-map.c | 2 | ||||
| -rw-r--r-- | include/linux/bio.h | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/block/bio.c b/block/bio.c index 699a78c85c75..d5bdc31d88d3 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1171,7 +1171,7 @@ void __bio_release_pages(struct bio *bio, bool mark_dirty) } EXPORT_SYMBOL_GPL(__bio_release_pages); -void bio_iov_bvec_set(struct bio *bio, struct iov_iter *iter) +void bio_iov_bvec_set(struct bio *bio, const struct iov_iter *iter) { WARN_ON_ONCE(bio->bi_max_vecs); diff --git a/block/blk-map.c b/block/blk-map.c index b5fd1d857461..894009b2d881 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -574,7 +574,7 @@ static int blk_rq_map_user_bvec(struct request *rq, const struct iov_iter *iter) bio = blk_rq_map_bio_alloc(rq, 0, GFP_KERNEL); if (!bio) return -ENOMEM; - bio_iov_bvec_set(bio, (struct iov_iter *)iter); + bio_iov_bvec_set(bio, iter); /* check that the data layout matches the hardware restrictions */ ret = bio_split_rw_at(bio, lim, &nsegs, max_bytes); diff --git a/include/linux/bio.h b/include/linux/bio.h index 60830a6a5939..7a1b3b1a8fed 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -423,7 +423,7 @@ void __bio_add_page(struct bio *bio, struct page *page, 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_iov_bvec_set(struct bio *bio, const struct iov_iter *iter); void __bio_release_pages(struct bio *bio, bool mark_dirty); extern void bio_set_pages_dirty(struct bio *bio); extern void bio_check_pages_dirty(struct bio *bio); |