From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helen Koike Subject: Re: [PATCH 0/2] boot to a mapped device Date: Wed, 26 Sep 2018 02:02:25 -0300 Message-ID: <610d5f5e-ea07-631d-04d3-18fd3da0fe2a@collabora.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: dm-devel@redhat.com Cc: agk@redhat.com, snitzer@redhat.com, linux-kernel@vger.kernel.org, enric.balletbo@collabora.com, wad@chromium.org, linux-doc@vger.kernel.org, linux-lvm@redhat.com, kernel@collabora.com List-Id: dm-devel.ids On 9/26/18 2:00 AM, Helen Koike wrote: > This series is reviving an old patchwork. > Booting from a mapped device requires an initramfs. This series is > allows for device-mapper targets to be configured at boot time for > use early in the boot process (as the root device or otherwise). > > Example, the following could be added in the boot parameters. > dm="lroot,,,rw, 0 4096 linear 98:16 0, 4096 4096 linear 98:32 0" root=/dev/dm-0 > > Enric Balletbo i Serra (1): > dm ioctl: add a device mapper ioctl function. > > Will Drewry (1): > init: add support to directly boot to a mapped device > > .../admin-guide/kernel-parameters.rst | 1 + > .../admin-guide/kernel-parameters.txt | 3 + > Documentation/device-mapper/dm-boot.txt | 63 +++ > drivers/md/dm-ioctl.c | 50 ++ > include/linux/device-mapper.h | 6 + > init/Makefile | 1 + > init/do_mounts.c | 1 + > init/do_mounts.h | 10 + > init/do_mounts_dm.c | 475 ++++++++++++++++++ > 9 files changed, 610 insertions(+) > create mode 100644 Documentation/device-mapper/dm-boot.txt > create mode 100644 init/do_mounts_dm.c > Sorry about sending this email multiple times, my git send-email wans't properly configured. Helen