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authorBart Van Assche <bvanassche@acm.org>2020-05-18 21:07:35 -0700
committerJens Axboe <axboe@kernel.dk>2020-05-19 09:40:29 -0600
commitc1527c0e12d461ff4c603996f77983f37b85c286 (patch)
tree7366bc3867983dade663d31e5ccd74cffdd24610 /include/linux/bio.h
parentc8210a57655a64c0a9b53c58c2ad5d8426c15097 (diff)
bio.h: Declare the arguments of the bio iteration functions const
This change makes it possible to pass 'const struct bio *' arguments to these functions. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Cc: Ming Lei <ming.lei@redhat.com> Cc: Damien Le Moal <damien.lemoal@wdc.com> Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Cc: Alexander Potapenko <glider@google.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0ee494a6329..950c9dc44c4f 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 int bytes)
{
iter->bi_sector += bytes >> 9;