Re: [PATCH 38/45] block: switch partition lookup to use struct block_device

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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(-)



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