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Diffstat (limited to 'block/blk-wbt.c')
| -rw-r--r-- | block/blk-wbt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 874c1c37bf0c..0c119be0e813 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -357,6 +357,9 @@ static void wb_timer_fn(struct blk_stat_callback *cb) unsigned int inflight = wbt_inflight(rwb); int status; + if (!rwb->rqos.q->disk) + return; + status = latency_exceeded(rwb, cb->stat); trace_wbt_timer(rwb->rqos.q->disk->bdi, status, rqd->scale_step, |