Re: [PATCH] lock_page() doesn't lock if __wait_on_bit_lock returns -EINTR

[Linus Torvalds]

On Sat, Dec 12, 2015 at 8:23 AM, Chris Mason <clm@xxxxxx> wrote:
> We have two reports of frequent crashes in btrfs where asserts in
> clear_page_dirty_for_io() were triggering on missing page locks.
>
> The crashes were much easier to trigger when processes were catching
> ctrl-c's, and after much debugging it really looked like lock_page was a
> noop.

Hmm. PeterZ has another patch for wait_ob_bit signal handling pending,
but I *think* that one only affects the "killable()" case.

Peter, did that patch also handle just plain "lock_page()" case?

                     Linus
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