io_uring/eventfd: move ctx->evfd_last_cq_tail into io_ev_fd

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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>

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Jens Axboe 2024-09-21 01:59:52 -06:00

parent 83a4f865e2

commit f4bb2f65bb

1 changed files with 29 additions and 21 deletions

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io_uring/eventfd.c

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