[LEDE-DEV] [PATCHv2] ipq806x: add support for ZyXEL NBG6817

[Andre Valentin]

Hi!

Am 21.10.2016 um 10:33 schrieb Felix Fietkau:
>> I have switched rootfs now to squashfs, that ist working. But I have problems with the overlayfs.
>> It is on /dev/mmcblk0p1, but I do not understand how to tell the system to use this partition. I cannot find a matching example.
>>
>> What I did:
>> 1) Added an fstab to the squassh image:
>> config 'global'
>> 	option	anon_swap	'0'
>> 	option	anon_mount	'0'
>> 	option	auto_swap	'1'
>> 	option	auto_mount	'1'
>> 	option	delay_root	'5'
>> 	option	check_fs	'0'
>>
>> config 'mount'
>> 	option device	'/dev/mmcblk0p1'
>> 	option enabled '1'
>> 	option target '/overlay'
>> 	option fstype 'ext4'
>> 	option options 'rw,sync'
>> 	option enabled_fsck 0
>> 	option is_rootfs '1'
>>
>> 2) label the ext4fs rootfs_data
>> 3) added rootfs_data=/dev/mmcblk0p1 on kernel commandline.
>>
>> But fstools does not mount it.
>> Please help.
> Don't put overlay mount stuff in the config. Make sure you have
> e2fsprogs and mkf2fs enabled in your config and that the rootfs
> partition is big enough to fit both the squashfs image and the overlay
> filesystem.
I tried that but it is an EFI partition not an mtd partition. To my understanding,
only mtd partitons will be split into rootfs and rootfs_data on boot.
This does not hapen.  I need a way to tell the system that /dev/mmcblk0p1 is my overlay FS.
Is there a possibility that I can somehow tell fstools which fs to use for overlay. Or which
depencies are there for detecting that an device holds an fs for overlay?


Kind regards,

André



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