On Fri, Jul 12, 2019 at 02:25:53PM +0100, Al Viro wrote:
> if (flags & LOOKUP_BENEATH) {
> nd->root = nd->path;
> if (!(flags & LOOKUP_RCU))
> path_get(&nd->root);
> else
> nd->root_seq = nd->seq;
BTW, this assignment is needed for LOOKUP_RCU case. Without it
you are pretty much guaranteed that lazy pathwalk will fail,
when it comes to complete_walk().
Speaking of which, what would happen if LOOKUP_ROOT/LOOKUP_BENEATH
combination would someday get passed?
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