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
