On Fri, May 02, 2014 at 02:18:43PM -0700, Linus Torvalds wrote:
> On Fri, May 2, 2014 at 2:08 PM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> > There's more of the "delete from shrink list not owned by us" in select parent.
> > Proposed patch appended.
>
> Ahh. Clearly this needs more work before I pull.
*nod*
Besides, I want to put Miklos' "don't bother with RCU in shrink_dentry_list()"
in there as soon as select_collect() has been dealt with. I don't think
that the currently posted patch for select_collect() is right, though -
see my reply to parent posting. Basically, I think we should treat "it's
on the shrink list already" as "increment data->found and keep going". IOW,
if (on shrink list) {
data->found++;
} else {
if (on lru list)
d_lru_del
if (refcount is zero) {
d_shrink_add
data->found++;
}
}
if (data->found)
ret = need_resched() ? D_WALK_QUIT : D_WALK_NORETRY;
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