The r1conf->r1bio_pool field was previously a struct, which caused a bug after raid1_reshape. These patch changes it to a pointer type and removes struct pool_info and related code. Wang Jinchao (2): md/raid1: change r1conf->r1bio_pool to a pointer type md/raid1: remove struct pool_info and related code drivers/md/raid1.c | 84 +++++++++++++++++----------------------------- drivers/md/raid1.h | 22 +----------- 2 files changed, 31 insertions(+), 75 deletions(-) -- v1: Replace mempool_init() with mempool_create() v2: Replace mempool_init() with mempool_create_kmalloc_pool() v3: Fix checkpatch errors and a bug in calculating new_r1bio_size The idea was proposed by Kuai, and I implemented it. Thanks for the guidance and review. -- 2.43.0