[PATCH v3 v3 0/2] add blocks_allocated to mb_stats and clear mb_stats

[Baolin Liu <liubaolin12138@163.com>]

The series contains two patches:
 - add blocks_allocated to /proc/fs/ext4/<dev>/mb_stats
 - allow writing 0 to /proc/fs/ext4/<dev>/mb_stats to clear the current
   mballoc statistics

Changes since v2: 
 - Add mb_stats documentation to patch 2
 - Add Reviewed-by tags

Baolin Liu (2):
  ext4: add blocks_allocated to mb_stats output
  ext4: allow clearing mballoc stats through mb_stats

 Documentation/admin-guide/ext4.rst |  5 ++++
 Documentation/filesystems/proc.rst |  3 +++
 fs/ext4/ext4.h                     |  1 +
 fs/ext4/mballoc.c                  | 31 +++++++++++++++++++++++
 fs/ext4/sysfs.c                    | 40 ++++++++++++++++++++++++++++--
 5 files changed, 78 insertions(+), 2 deletions(-)

-- 
2.51.0