From: Jens Axboe <axboe@kernel.dk>
To: guzebing <guzebing1612@gmail.com>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: Make WBT latency writes honor enable state
Date: Wed, 01 Jul 2026 19:07:49 -0600 [thread overview]
Message-ID: <178295446925.50965.1910380292736043449.b4-ty@b4> (raw)
In-Reply-To: <20260621014030.1625306-1-guzebing1612@gmail.com>
On Sun, 21 Jun 2026 09:40:30 +0800, guzebing wrote:
> queue/wbt_lat_usec controls both the stored WBT latency target and the
> effective WBT enable state.
>
> The old no-op check skipped updates whenever the converted latency
> matched the stored min_lat_nsec. That check ignored whether the current
> WBT state already matched the state requested by the write. For a queue
> disabled by default, attempting to enable WBT by writing the default
> value through sysfs could return success while the enable state was left
> unchanged.
>
> [...]
Applied, thanks!
[1/1] block: Make WBT latency writes honor enable state
commit: 1e56f30a73f304fe26a272742c398aedd88a1a6c
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2026-07-02 1:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-21 1:40 guzebing
2026-07-01 23:27 ` guzebing
2026-07-02 1:07 ` Jens Axboe [this message]
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