On 2020/11/24 21:27, Christoph Hellwig wrote:
Use struct block_device to lookup partitions on a disk. This removes all usage of struct hd_struct from the I/O path, and this allows removing the percpu refcount in struct hd_struct. Signed-off-by: Christoph Hellwig<hch@xxxxxx> --- block/bio.c | 4 +- block/blk-core.c | 66 ++++++++++++++---------------- block/blk-flush.c | 2 +- block/blk-mq.c | 9 ++-- block/blk-mq.h | 7 ++-- block/blk.h | 4 +- block/genhd.c | 56 +++++++++++++------------ block/partitions/core.c | 7 +--- drivers/block/drbd/drbd_receiver.c | 2 +- drivers/block/drbd/drbd_worker.c | 2 +- drivers/block/zram/zram_drv.c | 2 +- drivers/md/bcache/request.c | 4 +- drivers/md/dm.c | 4 +- drivers/md/md.c | 4 +- drivers/nvme/target/admin-cmd.c | 20 ++++----- fs/ext4/super.c | 18 +++----- fs/ext4/sysfs.c | 10 +---- fs/f2fs/f2fs.h | 2 +- fs/f2fs/super.c | 6 +--
For f2fs part, Acked-by: Chao Yu <yuchao0@xxxxxxxxxx> Thanks,
include/linux/blkdev.h | 8 ++-- include/linux/genhd.h | 4 +- include/linux/part_stat.h | 17 ++++---- 22 files changed, 120 insertions(+), 138 deletions(-)
