On Thu, Nov 24 2016 at 2:11am -0500, tang.junhui@xxxxxxxxxx <tang.junhui@xxxxxxxxxx> wrote: > From: "tang.junhui" <tang.junhui@xxxxxxxxxx> > > Hardware handle would be retained no matter parameter > retain_attached_hw_handler is set or not in the logic > of current code. So remove this useless parameter. Right, that wasn't always the case. Previously (before commit ) dm-mpath would first detach the attached handler. I'm not completely opposed to removing the code that checks MPATHF_RETAIN_ATTACHED_HW_HANDLER in parse_path() but your proposed patch is broken in 2 ways: 1) in parse_path() you need to always initialize q 2) setting m->hw_handler_name to attached_handler_name needs to still happen regardless of whether m->hw_handler_name was previously set 3) the "retain_attached_hw_handler" feature should still be allowed on the command line, no sense to break multipath-tools But honestly, I'm not seeing any reason to not just leave the existing code. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel