bianbu-repo-mirror/bianbu-linux-6.6
1
0
Fork 0
mirror of https://gitee.com/bianbu-linux/linux-6.6 synced 2025-07-01 23:53:16 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

blk-mq: Fix poll_stat for new size-based bucketing.

Browse source 
Fixes an issue where the size of the poll_stat array in request_queue
does not match the size expected by the new size based bucketing for
IO completion polling.

Fixes: 720b8ccc45 ("blk-mq: Add a polling specific stats function")
Signed-off-by: Stephen Bates <sbates@raithlin.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Stephen Bates 2017-04-20 16:59:11 -06:00 • committed by Jens Axboe
parent b00c53e8f4
commit 0206319fdf
3 changed files with 13 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/linux/blkdev.h
View file

@ -46,6 +46,9 @@ struct blk_stat_callback;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
/* Must be consisitent with blk_mq_poll_stats_bkt() */
#define BLK_MQ_POLL_STATS_BKTS 16
/*
* Maximum number of blkcg policies allowed to be registered concurrently.
* Defined here to simplify include dependency.
@ -517,7 +520,7 @@ struct request_queue {
int poll_nsec;
struct blk_stat_callback *poll_cb;
struct blk_rq_stat poll_stat[2];
struct blk_rq_stat poll_stat[BLK_MQ_POLL_STATS_BKTS];
struct timer_list timeout;
struct work_struct timeout_work;