Jens Axboe f4bb2f65bb io_uring/eventfd: move ctx->evfd_last_cq_tail into io_ev_fd ...

Everything else about the io_uring eventfd support is nicely kept
private to that code, except the cached_cq_tail tracking. With
everything else in place, move io_eventfd_flush_signal() to using
the ev_fd grab+release helpers, which then enables the direct use of
io_ev_fd for this tracking too.

Link: https://lore.kernel.org/r/20240921080307.185186-7-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2024-10-29 13:43:26 -06:00

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