> > The access to last_ino is serialized by spin lock, so that
> > it is allowed to be not-atomic.
> >
> > Real bug is inside grow_inodes(), which calls prune_dcache() in turn.
> > And nobody took care of poor dcache in 2.3, so that it stands now
> > as bone in throat and all similar operations require big kernel lock.
what is grow_inodes()? I can't see anything called that (in 2.3.30-1).
As for prune_dcache() (or shrink_dcache()) it does not seem to be
invoked from get_empty_inode() so it is still not clear where the big
problem lies.
I.e. get_empty_inode() looks SMP-safe to me. What am I missing?
regards,
Tigran.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/