linux-kernel - Re: [PATCH RESEND v2] blk-cgroup: improve policy registration error handling

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Message-Id: <174232274456.158569.739528900664075776.b4-ty@kernel.dk>
Date: Tue, 18 Mar 2025 12:32:24 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Tejun Heo <tj@...nel.org>, Josef Bacik <josef@...icpanda.com>, 
 Chen Linxuan <chenlinxuan@...ontech.com>
Cc: Wen Tao <wentao@...ontech.com>, cgroups@...r.kernel.org, 
 linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v2] blk-cgroup: improve policy registration
 error handling


On Mon, 17 Mar 2025 10:29:24 +0800, Chen Linxuan wrote:
> This patch improve the returned error code of blkcg_policy_register().
> 
> 1. Move the validation check for cpd/pd_alloc_fn and cpd/pd_free_fn
>    function pairs to the start of blkcg_policy_register(). This ensures
>    we immediately return -EINVAL if the function pairs are not correctly
>    provided, rather than returning -ENOSPC after locking and unlocking
>    mutexes unnecessarily.
> 
> [...]

Applied, thanks!

[1/1] blk-cgroup: improve policy registration error handling
      commit: e1a0202c6bfda24002a3ae2115154fa90104c649

Best regards,
-- 
Jens Axboe