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Date:   Wed, 13 Sep 2023 19:03:03 +0200
From:   David Sterba <dsterba@suse.cz>
To:     Qi Zheng <zhengqi.arch@bytedance.com>
Cc:     akpm@linux-foundation.org, david@fromorbit.com, tkhai@ya.ru,
        vbabka@suse.cz, roman.gushchin@linux.dev, djwong@kernel.org,
        brauner@kernel.org, paulmck@kernel.org, tytso@mit.edu,
        steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org,
        yujie.liu@intel.com, gregkh@linuxfoundation.org,
        muchun.song@linux.dev, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
        Muchun Song <songmuchun@bytedance.com>,
        Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>,
        David Sterba <dsterba@suse.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v6 38/45] fs: super: dynamically allocate the s_shrink
Message-ID: <20230913170303.GT20408@twin.jikos.cz>
Reply-To: dsterba@suse.cz
References: <20230911094444.68966-1-zhengqi.arch@bytedance.com>
 <20230911094444.68966-39-zhengqi.arch@bytedance.com>
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On Mon, Sep 11, 2023 at 05:44:37PM +0800, 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
> via 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@bytedance.com>
> Reviewed-by: Muchun Song <songmuchun@bytedance.com>
> CC: Chris Mason <clm@fb.com>
> CC: Josef Bacik <josef@toxicpanda.com>
> CC: David Sterba <dsterba@suse.com>

Acked-by: David Sterba <dsterba@suse.com>