On Mon, Mar 27, 2017 at 10:43:59AM -0700, Omar Sandoval wrote: > From: Omar Sandoval <osandov@xxxxxx> > > CONFIG_DEBUG_TEST_DRIVER_REMOVE found a possible leak of q->rq_wb in a > couple of cases: when a request queue is reregistered and when gendisks > share a request_queue. This has been a problem since wbt was introduced, > but the WARN_ON(!list_empty(&stats->callbacks)) in the blk-stat rework > exposed it. The fix is unfortunately a hack until we fix all of the > drivers sharing a request_queue. FYI, I went through the remaining cases and fixed most of them up, working on the remaining few. Maybe we can finally put this crap to rest...
