On Fri, Jun 30, 2017 at 01:42:55PM -0700, bcache@xxxxxxxxxxxxxxxxxx wrote: > From: Liang Chen <liangchen.linux@xxxxxxxxx> > > mutex_destroy does nothing most of time, but it's better to call > it to make the code future proof and it also has some meaning > for like mutex debug. It shouldn't really - we should get the destroy behavior for free when doing a slab free of the area. What issue are you trying to solve?