Commit 10c87333 authored by Jens Axboe's avatar Jens Axboe
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io_uring: allow re-poll if we made progress 



We currently check REQ_F_POLLED before arming async poll for a
notification to retry. If it's set, then we don't allow poll and will
punt to io-wq instead. This is done to prevent a situation where a buggy
driver will repeatedly return that there's space/data available yet we
get -EAGAIN.

However, if we already transferred data, then it should be safe to rely
on poll again. Gate the check on whether or not REQ_F_PARTIAL_IO is
also set.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 4c3c0943
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