[PATCH v5 0/2] make logical block size configurable

[linan666]

From: Li Nan <linan122@xxxxxxxxxx>

v5: in patch2:
    Fix typo. Add reproducer in log.

v4:
 patch 1: add fix tag.
 patch 2:
 - add documentation for sysfs.
 - only support metadata format 1.x.
 - do not call md_update_sb when writing sysfs. mddev->pers is NULL here.
 - return directly before hold lock in lbs_store.

v3:
 - logical_block_size must not exceed PAGE_SIZE for bio device.
 - Assign lim to mddev rather than to gendisk in mddev_stack_rdev_limits().
 - Remove the patch that modifies the return value.

v2: No new exported interfaces are introduced.

Li Nan (2):
  md: prevent adding disks with larger logical_block_size to active
    arrays
  md: allow configuring logical block size

 Documentation/admin-guide/md.rst |  7 +++
 drivers/md/md.h                  |  1 +
 include/uapi/linux/raid/md_p.h   |  3 +-
 drivers/md/md-linear.c           |  1 +
 drivers/md/md.c                  | 82 ++++++++++++++++++++++++++++++++
 drivers/md/raid0.c               |  1 +
 drivers/md/raid1.c               |  1 +
 drivers/md/raid10.c              |  1 +
 drivers/md/raid5.c               |  1 +
 9 files changed, 97 insertions(+), 1 deletion(-)

-- 
2.39.2