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| author | Christian Lamparter <chunkeey@gmail.com> | 2018-03-27 19:42:18 +0200 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-05-18 09:17:49 +0200 |
| commit | 707b6c815bba34e9783d2695020bb17385fdcf1d (patch) | |
| tree | 91b7ef0546f040bbeee3b2d9f73435abfba21ed3 /target/linux/brcm2708/image | |
| parent | 8f9baf5e1a9300fe66ff90486182a1fd2e645d9e (diff) | |
| download | upstream-707b6c815bba34e9783d2695020bb17385fdcf1d.tar.gz upstream-707b6c815bba34e9783d2695020bb17385fdcf1d.tar.bz2 upstream-707b6c815bba34e9783d2695020bb17385fdcf1d.zip | |
brcm2708: add squashfs rootfs image
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>
Diffstat (limited to 'target/linux/brcm2708/image')
| -rw-r--r-- | target/linux/brcm2708/image/Makefile | 1 | ||||
| -rw-r--r-- | target/linux/brcm2708/image/cmdline.txt | 2 |
2 files changed, 1 insertions, 2 deletions
diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile index 691212de9f..326ef5a0ee 100644 --- a/target/linux/brcm2708/image/Makefile +++ b/target/linux/brcm2708/image/Makefile @@ -47,7 +47,6 @@ endef ### Devices ### define Device/Default - FILESYSTEMS := ext4 KERNEL := kernel-bin | kernel-img KERNEL_IMG := kernel.img IMAGES := sdcard.img.gz diff --git a/target/linux/brcm2708/image/cmdline.txt b/target/linux/brcm2708/image/cmdline.txt index 24f4f0c276..c1099afb00 100644 --- a/target/linux/brcm2708/image/cmdline.txt +++ b/target/linux/brcm2708/image/cmdline.txt @@ -1 +1 @@ -dwc_otg.lpm_enable=0 console=serial0,115200 kgdboc=serial0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait +dwc_otg.lpm_enable=0 console=serial0,115200 kgdboc=serial0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=squashfs,ext4 rootwait |