[OpenWrt-Devel] [PATCH] [PATCH V2] [boot] /init: allow easier customisation of ramfs boot.

[Florian Fainelli]

2014-10-13 12:44 GMT-07:00 John Crispin <blogic at openwrt.org>:
>
> On 13/10/2014 00:03, Stephen Parry wrote:
>> /init is the first pid 1 process in an initramfs environment. This fix adds
>> lines to check for the existence of /bin/ramfsinit or /sbin/ramfsinit and exec
>> if present. This allows packages to switch root early in the boot process. This
>> will help support booting or kexecing from external storage and go some way
>> toward fixing ticket #17465.
>
>
> the ticket says extroot fails for !mtd. please elaborate on that. i
> would rather we fix extroot to handle this use case rather than build a
> way to bypass extroot

Agreed, should not we standardize on /linuxrc instead of ramfsinit,
even though that is an initramfs, people might get confused even more
with this custom script name.

>
>
>
>
>
>
>> Signed-off-by: Stephen Parry <sgparry at mainscreen.com>
>> ---
>> V2: Improved script structure using elif
>> ---
>>  target/linux/generic/base-files/init | 9 ++++++++-
>>  1 file changed, 8 insertions(+), 1 deletion(-)
>>
>> diff --git a/target/linux/generic/base-files/init b/target/linux/generic/base-files/init
>> index 514be57..e80b324 100755
>> --- a/target/linux/generic/base-files/init
>> +++ b/target/linux/generic/base-files/init
>> @@ -1,4 +1,11 @@
>>  #!/bin/sh
>>  # Copyright (C) 2006 OpenWrt.org
>>  export INITRAMFS=1
>> -exec /sbin/init
>> +
>> +if [ -e /bin/ramfsinit ]; then
>> +     exec /bin/ramfsinit
>> +elif [ -e /sbin/ramfsinit ]; then
>> +     exec /sbin/ramfsinit
>> +else
>> +     exec /sbin/init
>> +fi
> _______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel

-- 
Florian
_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel