[PATCH 2/5] bio.h: Declare the arguments of bio iteration functions const
From: Bart Van Assche <bvanassche@acm.org>
Date: 2020-05-16 00:19:26
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
This change makes it possible to pass 'const struct bio *' arguments to these functions. Cc: Christoph Hellwig <hch@lst.de> Cc: Ming Lei <redacted> Cc: Damien Le Moal <redacted> Cc: Chaitanya Kulkarni <redacted> Cc: Alexander Potapenko <glider@google.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- include/linux/bio.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0ee494a6329..58e6134b1c05 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h@@ -70,7 +70,7 @@ static inline bool bio_has_data(struct bio *bio) return false; } -static inline bool bio_no_advance_iter(struct bio *bio) +static inline bool bio_no_advance_iter(const struct bio *bio) { return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_SECURE_ERASE ||
@@ -138,8 +138,8 @@ static inline bool bio_next_segment(const struct bio *bio, #define bio_for_each_segment_all(bvl, bio, iter) \ for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); ) -static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter, - unsigned bytes) +static inline void bio_advance_iter(const struct bio *bio, + struct bvec_iter *iter, unsigned bytes) { iter->bi_sector += bytes >> 9;