[dm-devel] [PATCH 0/3] Multipath io_err_stat fixes

[Martin Wilck]

On Tue, 2021-01-12 at 17:52 -0600, Benjamin Marzinski wrote:
> I found an ABBA deadlock in the io_err_stat marginal path code, and
> in
> the process of fixing it, noticed a potential crash on shutdown. This
> patchset addresses both of the issues.
> 
> Benjamin Marzinski (3):
>   libmultipath: make find_err_path_by_dev() static
>   multipathd: avoid io_err_stat crash during shutdown
>   multipathd: avoid io_err_stat ABBA deadlock
> 
>  libmultipath/io_err_stat.c | 159 +++++++++++++++++------------------
> --
>  1 file changed, 73 insertions(+), 86 deletions(-)
> 

Thanks, the series looks good, I have only minor nits.

I've made some remarks about the io_err_stat code in the review. While
you're working at it, would you be willing to fix those issues too?

Cheers,
Martin

-- 
Dr. Martin Wilck <mwilck at suse.com>, Tel. +49 (0)911 74053 2107
SUSE Software Solutions Germany GmbH
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