On Sat, Apr 14, 2018 at 1:58 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> That breaks d_invalidate(), unfortunately. Look at the termination
> conditions in the loop there...
Ugh. I was going to say "but that doesn't even use select_collect()",
but yeah, detach_and_collect() calls it.
It would be easy enough to just change the
if (!list_empty(&data.select.dispose))
there to
if (!list_empty(&data.select.found))
too.
In fact, it probably *should* do that, exactly to get the whole
"cond_resched()" call in that whole call chain too. Because as-is, it
looks like it has the same issue as shrink_dcache_parent() does..
But yeah, the fact that I didn't notice that makes me a bit nervous.
But now I triple-checked, there are no other indirect callers.
Linus
