Re: [git pull] more vfs.git stuff

Al Viro
2013-05-09T20:34:31Z

On Thu, May 09, 2013 at 09:28:15PM +0100, Al Viro wrote:

> The only place checking that sucker is in a fairly large area protected by
> ->b_lock (in mon_bin_event()); I really don't want to dig deep enough to
> tell if having it changed right after it had been checked is safe. OTOH,
> from a cursory look through that code it appears that the whole map_count
> thing is completely misguided - it seems to assume that ->open() is called for
> each VMA, including the one created by mmap(2). Sigh...

Less cursory one shows that they do call their ->open() from their ->mmap().
OTOH, the code looking and ->mmap_active looks fishy - what happens if we
do allocation before mmap() happens?

Anyway, let's just drop that commit for now; it clearly needs more RTFS.
Could you pull for-linus^?