bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 06:44:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

blk-wbt: make enable_state more accurate

Browse Source 
Currently, if user disable wbt through sysfs, 'enable_state' will be
'WBT_STATE_ON_MANUAL', which will be confusing. Add a new state
'WBT_STATE_OFF_MANUAL' to cover that case.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221019121518.3865235-4-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai
2022-10-19 20:15:15 +08:00
committed by Jens Axboe
parent b11d31ae01
commit a9a236d238
2 changed files with 13 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
block/blk-wbt.c
View File

@@ -435,8 +435,13 @@ void wbt_set_min_lat(struct request_queue *q, u64 val)
struct rq_qos *rqos = wbt_rq_qos(q);
if (!rqos)
return;
RQWB(rqos)->min_lat_nsec = val;
RQWB(rqos)->enable_state = WBT_STATE_ON_MANUAL;
if (val)
RQWB(rqos)->enable_state = WBT_STATE_ON_MANUAL;
else
RQWB(rqos)->enable_state = WBT_STATE_OFF_MANUAL;
wbt_update_limits(RQWB(rqos));
}