[sheepdog] [PATCH] dog/farm: multi-thread cluster snapshot, save process

[Liu Yuan]

On Fri, Aug 08, 2014 at 05:02:48PM +0800, Ruoyu wrote:
> Will the operation affect VM?
> If yes, it would be better to let user choose it.

I guess yes. probably 'save --hard' will try this multi-thread.

Thanks
Yuan

> 
> Yuan wrote:
> 
> There is no reason we can't multi-thread it. Let's go multi-threading and enjoy
> boost.
> 
> Signed-off-by: Liu Yuan<namei.unix at gmail.com>
> ---
>  dog/farm/farm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/dog/farm/farm.c b/dog/farm/farm.c
> index e4f532e..fae57fc 100644
> --- a/dog/farm/farm.c
> +++ b/dog/farm/farm.c
> @@ -357,7 +357,7 @@ int farm_save_snapshot(const char *tag)
>  	strbuf_init(&trunk_buf, sizeof(struct trunk_entry) * nr_objects);
> -	wq = create_work_queue("save snapshot", WQ_ORDERED);
> +	wq = create_work_queue("save snapshot", WQ_DYNAMIC);
>  	if (for_each_object_in_tree(queue_save_snapshot_work,
>  				    &trunk_buf) < 0) {
>  		ret = -1;
> 
> 
>