netdev - Re: [PATCH v2 33/47] jbd2,ext4: dynamically allocate the jbd2-journal shrinker

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Message-Id: <042841CB-2C3C-4028-85E5-D3B8BCAAE7F7@linux.dev>
Date: Wed, 26 Jul 2023 15:41:34 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Qi Zheng <zhengqi.arch@...edance.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH v2 33/47] jbd2,ext4: dynamically allocate the jbd2-journal
 shrinker

> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch@...edance.com> wrote:
> 
> In preparation for implementing lockless slab shrink, use new APIs to
> dynamically allocate the jbd2-journal shrinker, 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 journal_s.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>

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