On Tuesday May 29, psusi@xxxxxxxxxx wrote: > Neil Brown wrote: > > md/dm modules could keep count of requests as has been suggested > > (though that would be a fairly big change for raid0 as it currently > > doesn't know when a request completes - bi_endio goes directly to the > > filesystem). > > Are you sure? I believe that dm handles bi_endio because it waits for > all in progress bio to complete before switching tables. I was taking about md/raid0, not dm-stripe. md/raid0 (and md/linear) currently never know that a request has completed. NeilBrown -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel