[dm-devel] [PATCH 0/4] Marginal Path Fixes and cleanups

[Martin Wilck]

On Wed, 2019-01-30 at 16:13 -0600, Benjamin Marzinski wrote:
> I've been playing around with the marginal path code, and I've run
> into
> a couple of things that could be cleaned up. The one important issue
> is
> that the marginal paths code tries to enqueue the path for IO error
> checking when it is down.  To enqueue the path, it needs to open the
> device, which can fail because the path is down.  Instead, it should
> wait for the path to come back up before it queues it, and starts the
> IO
> error checking. This is fixed in patch 0003. The other patches are
> mostly cleanups. The issues they fix aren't actually breaking
> things. 
> 
> Benjamin Marzinski (4):
>   libmultipath: handle existing paths in marginal_path enqueue
>   multipathd: cleanup marginal paths checking timers
>   libmultipath: fix marginal paths queueing errors
>   libmultipath: fix marginal_paths nr_active check
> 
>  libmultipath/io_err_stat.c | 71 +++++++++++++++---------------------
> --
>  libmultipath/io_err_stat.h |  2 +-
>  multipathd/main.c          |  3 +-
>  3 files changed, 31 insertions(+), 45 deletions(-)
> 

For the set:

Reviewed-by: Martin Wilck <mwilck at suse.com