Re: devtmpfs default permissions

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On Thursday, October 29, 2009, Greg KH <greg@xxxxxxxxx> wrote:
> On Thu, Oct 29, 2009 at 03:02:50PM +0100, Mark Rosenstand wrote:
>>
>> I've been using the devtmpfs patch for 2.6.31 and recently mainline
>> 2.6.32-rc5.  I've noticed that /dev now have default tmpfs permissions,
>> i.e. 1777.
>>
>> One can chmod the directory, but would it not make sense to use a more
>> less permissive mode (e.g. 0755) by default?

Yeah, sounds good.

> I think the patch sent by Kay to the linux-kernel mailing list yesterday
> will solve this problem.  It uses the default umask instead.
>
> Can you test it out to verify this?

I'll prepare a patch to fix that, we need to pass "mode=0755" to the
mount command, to set the tmpfs root directory mode.

Thanks,
Kay
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