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Commit 392edb45 authored by Jens Axboe's avatar Jens Axboe
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io_uring: don't dynamically allocate poll data



This essentially reverts commit e944475e. For high poll ops
workloads, like TAO, the dynamic allocation of the wait_queue
entry for IORING_OP_POLL_ADD adds considerable extra overhead.
Go back to embedding the wait_queue_entry, but keep the usage of
wait->private for the pointer stashing.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent d9688565
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