On Tue, Dec 11, 2012 at 11:48 AM, Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> wrote:
>
> Ok. To summarize, S_IMA indicates that there is a rule and that the iint
> was allocated. To differentiate between 'haven't looked/don't know' and
> 'definitely not', we need another bit. For this, you're suggesting
> using IS_PRIVATE()? Hopefully, I misunderstood.
No, for that, I'm suggesting using a new bit in i_flags.
The "IS_PRIVATE()" thing is more a "if you know a-priori that you
aren't interested in pseudo-filesystems, you can already check that
bit, because it will be set for things like /proc and shmem mappings
and pipes etc".
Dmitry seemed to imply that the biggest use for the new bit was for
taking out whole pseudo-filesystems in one go. That would pretty much
be what S_PRIVATE is.
Linus
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