diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2022-10-25 21:17:54 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-10-25 21:41:17 +0200 |
| commit | aa261f20589d894eb08b9a2b11c9672c548387cd (patch) | |
| tree | c33eb759fbaa95a5db64e447ad77ec863f100f36 /block/blk.h | |
| parent | block: Remove request.write_hint (diff) | |
| download | linux-aa261f20589d894eb08b9a2b11c9672c548387cd.tar.xz linux-aa261f20589d894eb08b9a2b11c9672c548387cd.zip | |
block: Constify most queue limits pointers
Document which functions do not modify the queue limits.
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221025191755.1711437-3-bvanassche@acm.org
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/block/blk.h b/block/blk.h index d6ea0d1a6db0..7f9e089ab1f7 100644 --- a/block/blk.h +++ b/block/blk.h @@ -104,7 +104,7 @@ static inline bool biovec_phys_mergeable(struct request_queue *q, return true; } -static inline bool __bvec_gap_to_prev(struct queue_limits *lim, +static inline bool __bvec_gap_to_prev(const struct queue_limits *lim, struct bio_vec *bprv, unsigned int offset) { return (offset & lim->virt_boundary_mask) || @@ -115,7 +115,7 @@ static inline bool __bvec_gap_to_prev(struct queue_limits *lim, * Check if adding a bio_vec after bprv with offset would create a gap in * the SG list. Most drivers don't care about this, but some do. */ -static inline bool bvec_gap_to_prev(struct queue_limits *lim, +static inline bool bvec_gap_to_prev(const struct queue_limits *lim, struct bio_vec *bprv, unsigned int offset) { if (!lim->virt_boundary_mask) @@ -297,7 +297,7 @@ ssize_t part_timeout_store(struct device *, struct device_attribute *, const char *, size_t); static inline bool bio_may_exceed_limits(struct bio *bio, - struct queue_limits *lim) + const struct queue_limits *lim) { switch (bio_op(bio)) { case REQ_OP_DISCARD: @@ -320,8 +320,9 @@ static inline bool bio_may_exceed_limits(struct bio *bio, bio->bi_io_vec->bv_len + bio->bi_io_vec->bv_offset > PAGE_SIZE; } -struct bio *__bio_split_to_limits(struct bio *bio, struct queue_limits *lim, - unsigned int *nr_segs); +struct bio *__bio_split_to_limits(struct bio *bio, + const struct queue_limits *lim, + unsigned int *nr_segs); int ll_back_merge_fn(struct request *req, struct bio *bio, unsigned int nr_segs); bool blk_attempt_req_merge(struct request_queue *q, struct request *rq, |