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block: change return type to bool 

Because blk_do_io_stat() only does a judgement about the request
contributes to IO statistics, it better changes return type to bool.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chengguang Xu 2018-08-16 22:51:40 +08:00 committed by Jens Axboe
parent fc8ebd01de
commit 599d067dd3
1 changed files with 1 additions and 1 deletions
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2
block/blk.h
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@ -297,7 +297,7 @@ extern int blk_update_nr_requests(struct request_queue *, unsigned int);
* b) the queue had IO stats enabled when this request was started, and * b) the queue had IO stats enabled when this request was started, and
* c) it's a file system request * c) it's a file system request
*/ */
static inline int blk_do_io_stat(struct request *rq) static inline bool blk_do_io_stat(struct request *rq)
{ {
return rq->rq_disk && return rq->rq_disk &&
(rq->rq_flags & RQF_IO_STAT) && (rq->rq_flags & RQF_IO_STAT) &&