On Tue, Jun 03, 2008 at 12:45:33PM +0200, Miklos Szeredi wrote:
> I think it must be autofs4 doing something weird. Like this in
> autofs4_lookup_unhashed():
>
> /*
> * Make the rehashed dentry negative so the VFS
> * behaves as it should.
> */
> if (inode) {
> dentry->d_inode = NULL;
Lovely. If we ever step into that with somebody else (no matter who)
holding a reference to that dentry, we are certainly well and truly
buggered. It's not just mount(2) - everything in the tree assumes that
holding a reference to positive dentry guarantees that it remains
positive.
Ian?
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
