Re: [RFC PATCH 3/4] dm mpath: move trigger_event member to the end of 'struct multipath'

[Hannes Reinecke <hare@suse.de>]

On 03/31/2016 10:04 PM, Mike Snitzer wrote:
> Allows the 'work_mutex' member to no longer cross a cacheline.
> 
> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
> ---
>  drivers/md/dm-mpath.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
> index 780e5d0..54daf96 100644
> --- a/drivers/md/dm-mpath.c
> +++ b/drivers/md/dm-mpath.c
> @@ -89,8 +89,6 @@ struct multipath {
>  	atomic_t pg_init_in_progress;	/* Only one pg_init allowed at once */
>  	atomic_t pg_init_count;		/* Number of times pg_init called */
>  
> -	struct work_struct trigger_event;
> -
>  	/*
>  	 * We must use a mempool of dm_mpath_io structs so that we
>  	 * can resubmit bios on error.
> @@ -98,6 +96,7 @@ struct multipath {
>  	mempool_t *mpio_pool;
>  
>  	struct mutex work_mutex;
> +	struct work_struct trigger_event;
>  };
>  
>  /*
> 
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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