Re: [PATCH] udev.rules: make safe timeouts compatible with split-usr systems.

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On Mon, Jul 30 2018, Jes Sorensen wrote:

> On 07/23/2018 06:46 AM, Dimitri John Ledkov wrote:
>> Instead of /usr/bin/sh, and /usr/bin/echo, use /bin/sh and shell
>> built-in echo respectively. This makes
>> udev-md-raid-safe-timeouts.rules to be compatible with both usr-merged
>> and split-usr systems alike.
>> 
>> Signed-off-by: Dimitri John Ledkov <xnox@xxxxxxxxxx>
>> ---
>>  udev-md-raid-safe-timeouts.rules | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> Neil, Xiao,
>
> Can you confirm this won't break things for SuSE and Fedora, in
> particular the initramfs, before I apply this?

I think this patch is good - it won't cause any problems for SUSE.

Thanks,
NeilBrown

>
> Thanks,
> Jes
>
>
>> diff --git a/udev-md-raid-safe-timeouts.rules b/udev-md-raid-safe-timeouts.rules
>> index 420c8626..13c23d84 100644
>> --- a/udev-md-raid-safe-timeouts.rules
>> +++ b/udev-md-raid-safe-timeouts.rules
>> @@ -55,7 +55,7 @@ ACTION=="add|change", \
>>    ENV{MD_LEVEL}=="raid[1-9]*", \
>>    TEST=="/sys/block/$parent/device/timeout", \
>>    TEST=="/usr/sbin/smartctl", \
>> -  PROGRAM!="/usr/bin/sh -c '/usr/sbin/smartctl -l scterc /dev/$parent | grep -q seconds && exit 0 || exit 1'", \
>> -  RUN+="/usr/bin/sh -c '/usr/bin/echo 180 > /sys/block/$parent/device/timeout && /usr/bin/logger timeout for /dev/$parent set to 180 secs'"
>> +  PROGRAM!="/bin/sh -c '/usr/sbin/smartctl -l scterc /dev/$parent | grep -q seconds && exit 0 || exit 1'", \
>> +  RUN+="/bin/sh -c 'echo 180 > /sys/block/$parent/device/timeout && /usr/bin/logger timeout for /dev/$parent set to 180 secs'"
>>  
>>  LABEL="md_timeouts_end"
>> 

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