Re: [PATCH] add path-oriented proc_mkdir_path() function to /proc

[Edward Falk <efalk@google.com>]

[patch to allow creation of e.g. /proc/foo/bar/ with one function call.]

> Hmm.. Looks like a useful utility function (there's certainly enough deep
> trees in my /proc/sys tree), but I wonder...
> 
> 1) Do we have cases where code should be implementing "it had *better* exist"
> checks?  This may be important if an intermediate directory "should have" been
> created by sysctl or something, and has special permission needs..
> 
> 2) Alternatively, does using this open up accidental collisions where we should
> have checked something *doesnt* exist already, and complain if it does?
> 
> (Feel free to address either one by adding a "Dont do that then" comment ;)

Don't do that, then.  :)

OK, long answer:

1 & 2) are beyond the scope of my patch, but it seems to me that
additional functionality could be added -- perhaps in the form of O_CREAT,
O_EXCL flags -- if demand warranted it.  Perhaps this could be done in
a later patch?

	-ed falk, efalk@google.com