Re: [PATCH v1] ext4: add mb_stats_clear for mballoc statistics

[Ojaswin Mujoo]

On Tue, Apr 14, 2026 at 06:02:11PM +0800, Baolin Liu wrote:
> From: Baolin Liu <liubaolin@xxxxxxxxxx>
> 
> Add a write-only mb_stats_clear sysfs knob to reset ext4 mballoc
> runtime statistics.This makes it easier to inspect allocator
> activity for a specific workload instead of using counters
> accumulated since mount.
> 
> Signed-off-by: Baolin Liu <liubaolin@xxxxxxxxxx>

The patch looks good to me Baolin. We just need to add documentation of
this to the Documentation/ABI/testing/sysfs-fs-ext4 file so that the
users know what it is and the fact that the only value we allow to write
is 1. 

Regards,
ojaswin