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SubjectRe: [PATCH 05/28] fs: introduce new ->get_poll_head and ->poll_mask methods
On Wed, Mar 21, 2018 at 08:40:09AM +0100, Christoph Hellwig wrote:
> ->get_poll_head returns the waitqueue that the poll operation is going
> to sleep on. Note that this means we can only use a single waitqueue
> for the poll, unlike some current drivers that use two waitqueues for
> different events. But now that we have keyed wakeups and heavily use
> those for poll there aren't that many good reason left to keep the
> multiple waitqueues, and if there are any ->poll is still around, the
> driver just won't support aio poll.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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