Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories.
From: Eric W. Biederman
Date: Mon May 25 2009 - 03:44:52 EST
Kay Sievers <kay.sievers@xxxxxxxx> writes:
>> Let's make the plan to investigate these, and see how hard it would be
>> to actually remove these with the current device/sysfs infrastructure.
>> Fixing the users and adding back auto-deletion are the only two real options.
> Seems, we should remove non-directory files, which in most cases belong
> to the kobject itself, but the user's cleanup logic does not cover the
> removal of the created files.
> But I think, we should still warn, if we find a sub-directory inside a
> directory we are going to remove.
So far complaining about deleting non-empty directories is finding
real bugs. It does not appear that too many users that delete
My plan moving forward is to see what has goofed and how hard it is to
change the callers to clean up after themselves. If it is not a pain
to fix the callers who forget to delete their attributes that looks
like the right way forward.
It is certainly the principle of least surprise.
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