Re: [PATCH -next 1/2] block: fix that blk_time_get_ns() doesn't update time after schedule

From: Yu Kuai
Date: Thu Apr 11 2024 - 21:25:15 EST


Hi,

在 2024/04/12 0:44, Jens Axboe 写道:
On 4/10/24 9:23 PM, Yu Kuai wrote:
diff --git a/block/blk-core.c b/block/blk-core.c
index a16b5abdbbf5..e317d7bc0696 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1195,6 +1195,7 @@ void __blk_flush_plug(struct blk_plug *plug, bool from_schedule)
if (unlikely(!rq_list_empty(plug->cached_rq)))
blk_mq_free_plug_rqs(plug);
+ plug->cur_ktime = 0;
current->flags &= ~PF_BLOCK_TS;
}

We can just use blk_plug_invalidate_ts() here, but not really important.
I think this one should go into 6.9, and patch 2 should go into 6.10,
however.

This sounds great! Do you want me to update and send them separately?

Thanks,
Kuai