On Wed, Jan 23, 2019 at 08:35:14AM -0700, Jens Axboe wrote: > For the upcoming async polled IO, we can't sleep allocating requests. > If we do, then we introduce a deadlock where the submitter already > has async polled IO in-flight, but can't wait for them to complete > since polled requests must be active found and reaped. > > Utilize the helper in the blockdev DIRECT_IO code. > > Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
