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@xxxxxxxxxxxxx> > Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > CC: Chris Mason <clm@xxxxxx> > CC: Josef Bacik <josef@xxxxxxxxxxxxxx> > CC: David Sterba <dsterba@xxxxxxxx> Acked-by: David Sterba <dsterba@xxxxxxxx>