diff options
author | Bart Van Assche <bvanassche@acm.org> | 2022-07-14 21:06:28 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2022-07-14 21:14:30 +0300 |
commit | 77e7ffd7ad3952909be6a9c599b7d164c8866fec (patch) | |
tree | ec8e7f3091e3fb7d031f2671365ad6d126ee6999 /block | |
parent | ff07a02e9e8e6489db841e0c48a5c78e7e78d572 (diff) | |
download | linux-77e7ffd7ad3952909be6a9c599b7d164c8866fec.tar.xz |
block: Use enum req_op where appropriate
Change the type of the arguments that are used to pass a REQ_OP_* value
from int or unsigned int into enum req_op to improve static type
checking.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-3-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r-- | block/blk-core.c | 6 | ||||
-rw-r--r-- | block/blk-mq-debugfs.c | 2 | ||||
-rw-r--r-- | block/blk-throttle.c | 7 | ||||
-rw-r--r-- | block/blk-wbt.c | 2 | ||||
-rw-r--r-- | block/blk.h | 2 |
5 files changed, 10 insertions, 9 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 8365996a8ef8..67b8bcfa27f0 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -136,7 +136,7 @@ static const char *const blk_op_name[] = { * string format. Useful in the debugging and tracing bio or request. For * invalid REQ_OP_XXX it returns string "UNKNOWN". */ -inline const char *blk_op_str(unsigned int op) +inline const char *blk_op_str(enum req_op op) { const char *op_str = "UNKNOWN"; @@ -953,7 +953,7 @@ again: } unsigned long bdev_start_io_acct(struct block_device *bdev, - unsigned int sectors, unsigned int op, + unsigned int sectors, enum req_op op, unsigned long start_time) { const int sgrp = op_stat_group(op); @@ -994,7 +994,7 @@ unsigned long bio_start_io_acct(struct bio *bio) } EXPORT_SYMBOL_GPL(bio_start_io_acct); -void bdev_end_io_acct(struct block_device *bdev, unsigned int op, +void bdev_end_io_acct(struct block_device *bdev, enum req_op op, unsigned long start_time) { const int sgrp = op_stat_group(op); diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 7ee1b13380d0..6cc2411e2d26 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -304,7 +304,7 @@ static const char *blk_mq_rq_state_name(enum mq_rq_state rq_state) int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq) { const struct blk_mq_ops *const mq_ops = rq->q->mq_ops; - const unsigned int op = req_op(rq); + const enum req_op op = req_op(rq); const char *op_str = blk_op_str(op); seq_printf(m, "%p {.op=", rq); diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 139b2d7a99e2..9f5fe62afff9 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2203,8 +2203,9 @@ out_unlock: #ifdef CONFIG_BLK_DEV_THROTTLING_LOW static void throtl_track_latency(struct throtl_data *td, sector_t size, - int op, unsigned long time) + enum req_op op, unsigned long time) { + const bool rw = op_is_write(op); struct latency_bucket *latency; int index; @@ -2215,10 +2216,10 @@ static void throtl_track_latency(struct throtl_data *td, sector_t size, index = request_bucket_index(size); - latency = get_cpu_ptr(td->latency_buckets[op]); + latency = get_cpu_ptr(td->latency_buckets[rw]); latency[index].total_latency += time; latency[index].samples++; - put_cpu_ptr(td->latency_buckets[op]); + put_cpu_ptr(td->latency_buckets[rw]); } void blk_throtl_stat_add(struct request *rq, u64 time_ns) diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 0c119be0e813..7bf09ae06577 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -670,7 +670,7 @@ u64 wbt_default_latency_nsec(struct request_queue *q) static int wbt_data_dir(const struct request *rq) { - const int op = req_op(rq); + const enum req_op op = req_op(rq); if (op == REQ_OP_READ) return READ; diff --git a/block/blk.h b/block/blk.h index b71e22c97d77..c4b084bfe87c 100644 --- a/block/blk.h +++ b/block/blk.h @@ -160,7 +160,7 @@ static inline bool blk_discard_mergable(struct request *req) } static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, - int op) + enum req_op op) { if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE)) return min(q->limits.max_discard_sectors, |