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2023-06-09io_uring: undeprecate epoll_ctl supportBen Noordhuis1-4/+0
commit 4ea0bf4b98d66a7a790abb285539f395596bae92 upstream. Libuv recently started using it so there is at least one consumer now. Cc: stable@vger.kernel.org Fixes: 61a2732af4b0 ("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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-13io_uring: make io_kiocb_to_cmd() typesafeStefan Metzmacher1-2/+2
We need to make sure (at build time) that struct io_cmd_data is not casted to a structure that's larger. Signed-off-by: Stefan Metzmacher <metze@samba.org> Link: https://lore.kernel.org/r/c024cdf25ae19fc0319d4180e2298bade8ed17b8.1660201408.git.metze@samba.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-25io_uring: kill extra io_uring_types.h includesPavel Begunkov1-1/+0
io_uring/io_uring.h already includes io_uring_types.h, no need to include it every time. Kill it in a bunch of places, it prepares us for following patches. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/94d8c943fbe0ef949981c508ddcee7fc1c18850f.1655384063.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-25io_uring: deprecate epoll_ctl supportJens Axboe1-0/+4
As far as we know, nobody ever adopted the epoll_ctl management via io_uring. Deprecate it now with a warning, and plan on removing it in a later kernel version. When we do remove it, we can revert the following commits as well: 39220e8d4a2a ("eventpoll: support non-blocking do_epoll_ctl() calls") 58e41a44c488 ("eventpoll: abstract out epoll_ctl() handler") Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/io-uring/CAHk-=wiTyisXBgKnVHAGYCNvkmjk=50agS2Uk6nr+n3ssLZg2w@mail.gmail.com/ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-25io_uring: move epoll handler to its own fileJens Axboe1-0/+62
Would be nice to sort out Kconfig for this and don't even compile epoll.c if we don't have epoll configured. Signed-off-by: Jens Axboe <axboe@kernel.dk>