On Tue, May 26, 2020 at 01:51:16PM -0600, Jens Axboe wrote: > Use the async page locking infrastructure, if IOCB_WAITQ is set in the > passed in iocb. The caller must expect an -EIOCBQUEUED return value, > which means that IO is started but not done yet. This is similar to how > O_DIRECT signals the same operation. Once the callback is received by > the caller for IO completion, the caller must retry the operation. > > Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
