diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2019-08-01 15:50:40 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-04 21:41:29 -0600 |
| commit | af2c68fe94e8c0a628519b60ba070c5cf6526a99 (patch) | |
| tree | f394ff2b1c491e1c0dc63ef7bc8e04e77de98e99 /block | |
| parent | a87ccce0b5a06ee546931859fa62e10f1bce54f9 (diff) | |
block: Declare several function pointer arguments 'const'
Make it clear to the compiler and also to humans that the functions
that query request queue properties do not modify any member of the
request_queue data structure.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-merge.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 57f7990b342d..8344d94f13e0 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -144,7 +144,7 @@ static inline unsigned get_max_io_size(struct request_queue *q, return sectors; } -static unsigned get_max_segment_size(struct request_queue *q, +static unsigned get_max_segment_size(const struct request_queue *q, unsigned offset) { unsigned long mask = queue_segment_boundary(q); @@ -161,8 +161,9 @@ static unsigned get_max_segment_size(struct request_queue *q, * Split the bvec @bv into segments, and update all kinds of * variables. */ -static bool bvec_split_segs(struct request_queue *q, struct bio_vec *bv, - unsigned *nsegs, unsigned *sectors, unsigned max_segs) +static bool bvec_split_segs(const struct request_queue *q, + const struct bio_vec *bv, unsigned *nsegs, + unsigned *sectors, unsigned max_segs) { unsigned len = bv->bv_len; unsigned total_len = 0; |