From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Fri, 26 Oct 2018 09:53:19 +0200 Subject: [PATCH] nvme: make sure ns head inherits underlying device limits In-Reply-To: <70bcef36-48da-cae7-4e23-ac9b01814a74@grimberg.me> References: <20181019222450.25397-1-sagi@grimberg.me> <20181022085752.GD18755@lst.de> <70bcef36-48da-cae7-4e23-ac9b01814a74@grimberg.me> Message-ID: <20181026075319.GC5092@lst.de> On Mon, Oct 22, 2018@05:22:15PM -0700, Sagi Grimberg wrote: > Without this patch at least max_segments and max_hw_sectors of the head > device node are degenerated to defaults that have nothing to do with the > underlying device limits. > > This can result in unnecessary bio splitting for the head device > node... But we never split bios for the multipath queue!