linux-kernel - Re: [PATCH 5/8] fs: introduce struct super_operations::destroy

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Message-ID: <05aee65c-949b-20e8-5bcd-b8bbcc055c88@linux.dev>
Date:   Wed, 31 May 2023 20:54:21 +0800
From:   Qi Zheng <qi.zheng@...ux.dev>
To:     Christian Brauner <brauner@...nel.org>
Cc:     akpm@...ux-foundation.org, tkhai@...ru, roman.gushchin@...ux.dev,
        vbabka@...e.cz, viro@...iv.linux.org.uk, djwong@...nel.org,
        hughd@...gle.com, paulmck@...nel.org, muchun.song@...ux.dev,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Qi Zheng <zhengqi.arch@...edance.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH 5/8] fs: introduce struct
 super_operations::destroy_super() callback



On 2023/5/31 19:19, Christian Brauner wrote:
> On Wed, May 31, 2023 at 09:57:39AM +0000, Qi Zheng wrote:
>> From: Kirill Tkhai <tkhai@...ru>
>>
>> The patch introduces a new callback, which will be called
>> asynchronous from delayed work.
>>
>> This will allows to make ::nr_cached_objects() safe
>> to be called on destroying superblock in next patches,
>> and to split unregister_shrinker() into two primitives.
>>
>> Signed-off-by: Kirill Tkhai <tkhai@...ru>
>> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
>> ---
>>   fs/super.c         | 3 +++
>>   include/linux/fs.h | 1 +
>>   2 files changed, 4 insertions(+)
> 
> Misses updates to
> Documentation/filesystems/locking.rst
> Documentation/filesystems/vfs.rst

Will do.

Thanks,
Qi