Re: [PATCH v2 40/47] fs: super: dynamically allocate the s_shrink

From: Muchun Song
Date: Wed Jul 26 2023 - 03:53:31 EST




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@xxxxxxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>