ACK: [PATCH 0/1] [G/master] md: improve IO accounting

[Andrea Righi]

On Fri, Sep 18, 2020 at 10:31:35AM +0200, Paolo Pisati wrote:
> BugLink: https://bugs.launchpad.net/bugs/1891151
> 
> [Impact]
> Currently reported IO stats may be incorrect or missing.
> 
> The following patch correct statistics about in-flight IOs and IO processing time,
> interpreted e.g. in iostat as await, svctm, aqu-sz and %util.
> 
> [Fix]
> Upstream commit:
> 41d2d848 md: improve io stats accounting
> 
> The attached patch is a backport of the upstream commit, contextually modified to
> make it apply cleanly.
> 
> [Regression potential]
> Upstream code, and fixes IO stats that could be really useful.

Looks good to me.

Acked-by: Andrea Righi <andrea.righi at canonical.com>

> 
> 
> Artur Paszkiewicz (1):
>   md: improve io stats accounting
> 
>  drivers/md/md.c | 57 ++++++++++++++++++++++++++++++++++++++-----------
>  drivers/md/md.h |  1 +
>  2 files changed, 46 insertions(+), 12 deletions(-)
> 
> -- 
> 2.25.1
> 
> 
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