Hello, Mike. On Wed, Feb 02, 2011 at 02:41:22PM -0600, Mike Christie wrote: > On 02/02/2011 04:25 AM, Tejun Heo wrote: > >usually necessary. The queue of pending works tend to be short and > >consumed pretty fast. > > What if we want to do something that could take a while, like doing > recovery of a device/transport (so you have to send resets and > logouts/logins and wait for the results but they could take a while > if they timeout), should we be using something other than a > workqueue so it does not interfere with other users? As long as you don't use ordered workqueue, it wouldn't be a problem. The max concurrency is determined by @max_active parameter to alloc_workqueue() and workqueue will try to provide concurrency upto the limit on demand as long as resources are available. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html