[dm-devel] [PATCH v5 18/22] multipath -u: quick check if path is multipathed

[Hannes Reinecke]

On Sat, 14 Apr 2018 00:00:11 +0200
Martin Wilck <mwilck at suse.com> wrote:

> With "find_multipaths smart", we accept paths as valid if they are
> already part of a multipath map. This patch avoids doing a full path
> and device-mapper map scan for this case, speeding up "multipath -u"
> considerably.
> 
> Signed-off-by: Martin Wilck <mwilck at suse.com>
> Reviewed-by: Benjamin Marzinski <bmarzins at redhat.com>
> ---
>  libmultipath/sysfs.c | 66
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
> libmultipath/sysfs.h |  2 ++ multipath/main.c     |  9 +++++++
>  3 files changed, 77 insertions(+)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes