On Tue, Nov 4, 2014 at 12:20 PM, Al Viro <[email protected]> wrote: > On Tue, Nov 04, 2014 at 12:14:26PM -0800, Andy Lutomirski wrote: > >> Yeah, this idea clearly doesn't work. But I wonder whether the >> revised variant (which may be just moving cd_forget and bd_forget from >> evict to iput_final) would work. > > How the hell is it better? Neither of those will happen as long as dentry > is retained. And with /dev on tmpfs (which is bloody common) _that_ won't > happen until device node is unlinked...
It's by my misunderstanding of how inode refcounting works. The idea would be to drop the cdev reference when there are no non-VFS-internal references to the inode left. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
