io_uring: undeprecate epoll_ctl support
Libuv recently started using it so there is at least one consumer now.
Cc: stable@vger.kernel.org
Fixes: 61a2732af4
("io_uring: deprecate epoll_ctl support")
Link: https://github.com/libuv/libuv/pull/3979
Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
Link: https://lore.kernel.org/r/20230506095502.13401-1-info@bnoordhuis.nl
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -25,10 +25,6 @@ int io_epoll_ctl_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
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{
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{
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struct io_epoll *epoll = io_kiocb_to_cmd(req, struct io_epoll);
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struct io_epoll *epoll = io_kiocb_to_cmd(req, struct io_epoll);
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pr_warn_once("%s: epoll_ctl support in io_uring is deprecated and will "
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"be removed in a future Linux kernel version.\n",
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current->comm);
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if (sqe->buf_index || sqe->splice_fd_in)
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if (sqe->buf_index || sqe->splice_fd_in)
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return -EINVAL;
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return -EINVAL;
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