Re: [RFC] backports: add remove_proc_subtree() backport

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, May 12, 2013 at 10:40 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> On Sun, May 12, 2013 at 10:21:02PM -0700, Luis R. Rodriguez wrote:
>
>> > The difference from your variant is that you use the stack to hold
>> > pointers to ancestors of the current victim.  You get to the parent
>> > of said victim by discarding a stack frame.  No need, since the
>> > victim contained an explicit pointer to its parent...
>>
>> Except I thought NULL was passed?
>
> AFAICS, your variant removes _everything_ in the parent.  IOW, instead
> of
>         rm -rf $ROOT/$RELATIVE_PATH
> you do
>         test -n $ROOT && rm -rf $ROOT/*
>         rm $ROOT/$RELATIVE_PATH
> which is not the same thing...

Crap, yes, I see now thanks. I can't see how we can safely traverse
the tree to find the respective struct proc_dir_entry for the passed
name as a modular solution. That is, in order to rm -rf
$ROOT/$RELATIVE_PATH I first need the $ROOT/$RELATIVE_PATH struct
proc_dir_entry.

Any recommendations?

  Luis
--
To unsubscribe from this list: send the line "unsubscribe backports" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux