diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2022-10-19 20:15:15 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-10-23 18:59:17 -0600 |
| commit | a9a236d238a5e8ab2e74ca62c2c7ba5dd435af77 (patch) | |
| tree | 00317949d6b138449279ed53f8ca090375b92d8d /block/blk-wbt.c | |
| parent | b11d31ae01e6b0762b28e645ad6718a12faa8d14 (diff) | |
blk-wbt: make enable_state more accurate
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>
Diffstat (limited to 'block/blk-wbt.c')
| -rw-r--r-- | block/blk-wbt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c index c5a8c10028a0..4680691a96bc 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -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)); } |