[dm-devel] [RFC PATCH 2/4] dm mpath: use atomic_t for counting members of 'struct multipath'

[Hannes Reinecke]

On 03/31/2016 10:04 PM, Mike Snitzer wrote:
> The use of atomic_t for nr_valid_paths, pg_init_in_progress and
> pg_init_count will allow relaxing the use of the m->lock spinlock.
> 
> Suggested-by: Hannes Reinecke <hare at suse.de>
> Signed-off-by: Mike Snitzer <snitzer at redhat.com>
> ---
>  drivers/md/dm-mpath.c | 61 ++++++++++++++++++++++++++++-----------------------
>  1 file changed, 33 insertions(+), 28 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>
Tested-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
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