linux-kernel - Re: [PATCH v2 40/47] fs: super: dynamically allocate the s

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Message-ID: <2eb5ac60-d03f-c770-144c-67c23337a899@linux.dev>
Date:   Wed, 26 Jul 2023 15:45:56 +0800
From:   Muchun Song <muchun.song@...ux.dev>
To:     Qi Zheng <zhengqi.arch@...edance.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
        kvm@...r.kernel.org, xen-devel@...ts.xenproject.org,
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Subject: Re: [PATCH v2 40/47] fs: super: dynamically allocate the s_shrink



On 2023/7/24 17:43, Qi Zheng wrote:
> In preparation for implementing lockless slab shrink, use new APIs to
> dynamically allocate the s_shrink, so that it can be freed asynchronously
> using kfree_rcu(). Then it doesn't need to wait for RCU read-side critical
> section when releasing the struct super_block.
>
> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>

Reviewed-by: Muchun Song <songmuchun@...edance.com>