[dm-devel] multipathd: Add 'sysfs' prioritizer

[Sebastian Herbszt]

Hannes Reinecke wrote:
> Recent kernels have an 'access_state' attribute which allows
> us to read the asymmetric access state directly from sysfs.
> 
> Signed-off-by: Hannes Reinecke <hare at suse.de>
> ---
>  libmultipath/discovery.c           | 33 +++++++++++++++++++++++++++++
>  libmultipath/discovery.h           |  2 ++
>  libmultipath/prio.h                |  1 +
>  libmultipath/prioritizers/Makefile |  3 ++-
>  libmultipath/prioritizers/sysfs.c  | 43 ++++++++++++++++++++++++++++++++++++++
>  libmultipath/propsel.c             |  6 +++++-
>  multipath/multipath.conf.5         | 14 ++++++++++++-
>  7 files changed, 99 insertions(+), 3 deletions(-)
>  create mode 100644 libmultipath/prioritizers/sysfs.c

How about just adding this to the alua prioritizer?
This new feature could then depend on a "sysfs" argument.

Sebastian