diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 27 | ||||
| -rw-r--r-- | block/blk-mq.c | 42 | ||||
| -rw-r--r-- | block/blk.h | 21 |
3 files changed, 44 insertions, 46 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 65891f058f3d..29c4db03742b 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1064,8 +1064,7 @@ int iocb_bio_iopoll(struct kiocb *kiocb, struct io_comp_batch *iob, } EXPORT_SYMBOL_GPL(iocb_bio_iopoll); -static void update_io_ticks(struct block_device *part, unsigned long now, - bool end) +void update_io_ticks(struct block_device *part, unsigned long now, bool end) { unsigned long stamp; again: @@ -1080,30 +1079,6 @@ again: } } -void __blk_account_io_done(struct request *req, u64 now) -{ - const int sgrp = op_stat_group(req_op(req)); - - part_stat_lock(); - update_io_ticks(req->part, jiffies, true); - part_stat_inc(req->part, ios[sgrp]); - part_stat_add(req->part, nsecs[sgrp], now - req->start_time_ns); - part_stat_unlock(); -} - -void __blk_account_io_start(struct request *rq) -{ - /* passthrough requests can hold bios that do not have ->bi_bdev set */ - if (rq->bio && rq->bio->bi_bdev) - rq->part = rq->bio->bi_bdev; - else - rq->part = rq->rq_disk->part0; - - part_stat_lock(); - update_io_ticks(rq->part, jiffies, false); - part_stat_unlock(); -} - static unsigned long __part_start_io_acct(struct block_device *part, unsigned int sectors, unsigned int op) { diff --git a/block/blk-mq.c b/block/blk-mq.c index cd5f31c4d2fd..3921c7cfd64c 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -809,6 +809,48 @@ bool blk_update_request(struct request *req, blk_status_t error, } EXPORT_SYMBOL_GPL(blk_update_request); +static void __blk_account_io_done(struct request *req, u64 now) +{ + const int sgrp = op_stat_group(req_op(req)); + + part_stat_lock(); + update_io_ticks(req->part, jiffies, true); + part_stat_inc(req->part, ios[sgrp]); + part_stat_add(req->part, nsecs[sgrp], now - req->start_time_ns); + part_stat_unlock(); +} + +static inline void blk_account_io_done(struct request *req, u64 now) +{ + /* + * Account IO completion. flush_rq isn't accounted as a + * normal IO on queueing nor completion. Accounting the + * containing request is enough. + */ + if (blk_do_io_stat(req) && req->part && + !(req->rq_flags & RQF_FLUSH_SEQ)) + __blk_account_io_done(req, now); +} + +static void __blk_account_io_start(struct request *rq) +{ + /* passthrough requests can hold bios that do not have ->bi_bdev set */ + if (rq->bio && rq->bio->bi_bdev) + rq->part = rq->bio->bi_bdev; + else + rq->part = rq->rq_disk->part0; + + part_stat_lock(); + update_io_ticks(rq->part, jiffies, false); + part_stat_unlock(); +} + +static inline void blk_account_io_start(struct request *req) +{ + if (blk_do_io_stat(req)) + __blk_account_io_start(req); +} + static inline void __blk_mq_end_request_acct(struct request *rq, u64 now) { if (rq->rq_flags & RQF_STATS) { diff --git a/block/blk.h b/block/blk.h index 8a3761b6dc33..50aae8c0e03c 100644 --- a/block/blk.h +++ b/block/blk.h @@ -257,9 +257,6 @@ bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio, bool blk_bio_list_merge(struct request_queue *q, struct list_head *list, struct bio *bio, unsigned int nr_segs); -void __blk_account_io_start(struct request *req); -void __blk_account_io_done(struct request *req, u64 now); - /* * Plug flush limits */ @@ -350,23 +347,7 @@ static inline bool blk_do_io_stat(struct request *rq) return (rq->rq_flags & RQF_IO_STAT) && rq->rq_disk; } -static inline void blk_account_io_done(struct request *req, u64 now) -{ - /* - * Account IO completion. flush_rq isn't accounted as a - * normal IO on queueing nor completion. Accounting the - * containing request is enough. - */ - if (blk_do_io_stat(req) && req->part && - !(req->rq_flags & RQF_FLUSH_SEQ)) - __blk_account_io_done(req, now); -} - -static inline void blk_account_io_start(struct request *req) -{ - if (blk_do_io_stat(req)) - __blk_account_io_start(req); -} +void update_io_ticks(struct block_device *part, unsigned long now, bool end); static inline void req_set_nomerge(struct request_queue *q, struct request *req) { |