This patch adds a image with squashfs as the root filesystem.
A rootfs_data partition will be generated on the first boot
and placed inside the rootfs partition (just after the squashfs
image).
advantages:
- it is possible to migrate from an existing -ext4
installation and back via sysupgrade.
- existing partition layout will not be lost.
- slightly smaller image size.
- support for attendedsysupgrade
disadvantages:
- needs f2fs + tools as well. This is because fs-tools decides on the
blocksize of the sdcard. So either f2fs or ext4 can get choosen as
the rootfs_data filesystem (depends on the size of the root partition).
- rootfs_data is placed into the rootfs partition. This makes
it difficult for tools that expect a /dev/mmc0pX device.
It also makes it difficult for data recovery tools since they
might not expect to find a embedded partition or will be
confused.
For people with existing build configurations: make sure to include mkf2fs
and f2fsck package into the image... Otherwise the new -squashfs image will
boot of a ram-overlay and won't keep the configurations after a reboot.
Cc: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: Paul Spooren <spooren@informatik.uni-leipzig.de>
Cc: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Implement sysupgrade for Raspberry Pi, similar to the way it is done on x86:
The config files are saved in the boot partition and moved to where they are
normally expected in preinit.
Also add optional gzip compression for the SD card image, since this can save
a lot of space (76M vs 6M), also similar to x86.
Signed-off-by: Bruno Randolf <br1@einfach.org>
SVN-Revision: 46347
replace all occurences of LINUX_VERSION with the cleaner
approach. future kernel upgrades must mostly touch only
one file. the only platform left is netlogic, because it
uses a intermediate kernel 3.14.16
Signed-off-by: Bastian Bittorf <bittorf@bluebottle.com>
SVN-Revision: 43047
205-fix-headers_install.patch is obseleted by upstream commit 3246a0352e3d58380b9386570f1db1faf7edf8a8
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 41351
Define KERNELNAME to Image to get the build system to copy this image
over $(KDIR) automatically for us.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 39768
