From: Jens Axboe <axboe@kernel.dk>
To: Zhang Yi <yi.zhang@huawei.com>, linux-block@vger.kernel.org
Cc: jbacik@fb.com, yukuai3@huawei.com
Subject: Re: [PATCH 0/2] blk-wbt: fix two wbt enable problems
Date: Mon, 21 Jun 2021 10:07:39 -0600 [thread overview]
Message-ID: <b9e6167d-ca23-56f6-7852-f5d5e0c59cfc@kernel.dk> (raw)
In-Reply-To: <20210619093700.920393-1-yi.zhang@huawei.com>
On 6/19/21 3:36 AM, Zhang Yi wrote:
> Commit a79050434b45 ("blk-rq-qos: refactor out common elements of
> blk-wbt") introduce two wbt enable problems. The first one will cause
> false positive check by rwb_enabled() and lead to IO hung, the second
> one is wbt_enable_default() could not re-enable wbt after switch
> elevator back from bfq to other one.
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2021-06-21 16:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-19 9:36 [PATCH 0/2] blk-wbt: fix two wbt enable problems Zhang Yi
2021-06-19 9:36 ` [PATCH 1/2] blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled() Zhang Yi
2021-06-19 9:37 ` [PATCH 2/2] blk-wbt: make sure throttle is enabled properly Zhang Yi
2021-06-21 16:07 ` Jens Axboe [this message]
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