Re: [dm-devel] [PATCH v3 29/49] md/raid5: dynamically allocate the md-raid5 shrinker

2023-07-27 Thread Qi Zheng
On 2023/7/27 16:04, Qi Zheng wrote: In preparation for implementing lockless slab shrink, use new APIs to dynamically allocate the md-raid5 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 str

[dm-devel] [PATCH v3 29/49] md/raid5: dynamically allocate the md-raid5 shrinker

2023-07-27 Thread Qi Zheng
In preparation for implementing lockless slab shrink, use new APIs to dynamically allocate the md-raid5 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 r5conf. Signed-off-by: Qi Zheng Rev