This is a note to let you know that I've just added the patch titled io_uring/net: refactor io_sr_msg types to the 6.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: io_uring-net-refactor-io_sr_msg-types.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon Oct 17 11:35:32 AM CEST 2022 From: Pavel Begunkov <asml.silence@xxxxxxxxx> Date: Sun, 16 Oct 2022 21:33:25 +0100 Subject: io_uring/net: refactor io_sr_msg types To: stable@xxxxxxxxxxxxxxx Cc: Jens Axboe <axboe@xxxxxxxxx>, asml.silence@xxxxxxxxx Message-ID: <b14da215103e573d42100d252cfd130b7a4fbdba.1665951939.git.asml.silence@xxxxxxxxx> From: Pavel Begunkov <asml.silence@xxxxxxxxx> [ upstream commit 0b048557db761d287777360a100e1d010760d209 ] In preparation for using struct io_sr_msg for zerocopy sends, clean up types. First, flags can be u16 as it's provided by the userspace in u16 ioprio, as well as addr_len. This saves us 4 bytes. Also use unsigned for size and done_io, both are as well limited to u32. Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> Link: https://lore.kernel.org/r/42c2639d6385b8b2181342d2af3a42d3b1c5bcd2.1662639236.git.asml.silence@xxxxxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- io_uring/net.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) --- a/io_uring/net.c +++ b/io_uring/net.c @@ -56,21 +56,21 @@ struct io_sr_msg { struct user_msghdr __user *umsg; void __user *buf; }; + unsigned len; + unsigned done_io; unsigned msg_flags; - unsigned flags; - size_t len; - size_t done_io; + u16 flags; }; struct io_sendzc { struct file *file; void __user *buf; - size_t len; + unsigned len; + unsigned done_io; unsigned msg_flags; - unsigned flags; - unsigned addr_len; + u16 flags; + u16 addr_len; void __user *addr; - size_t done_io; struct io_kiocb *notif; }; Patches currently in stable-queue which might be from asml.silence@xxxxxxxxx are queue-6.0/io_uring-correct-pinned_vm-accounting.patch queue-6.0/io_uring-net-fix-notif-cqe-reordering.patch queue-6.0/io_uring-net-don-t-update-msg_name-if-not-provided.patch queue-6.0/io_uring-rw-fix-unexpected-link-breakage.patch queue-6.0/io_uring-net-don-t-skip-notifs-for-failed-requests.patch queue-6.0/io_uring-net-rename-io_sendzc.patch queue-6.0/io_uring-net-refactor-io_sr_msg-types.patch queue-6.0/io_uring-fix-cqe-reordering.patch queue-6.0/io_uring-net-don-t-lose-partial-send-recv-on-fail.patch queue-6.0/io_uring-rw-don-t-lose-partial-io-result-on-fail.patch queue-6.0/io_uring-net-fix-fast_iov-assignment-in-io_setup_async_msg.patch queue-6.0/io_uring-net-don-t-lose-partial-send_zc-on-fail.patch queue-6.0/io_uring-limit-registration-w-single_issuer.patch queue-6.0/io_uring-net-use-io_sr_msg-for-sendzc.patch queue-6.0/io_uring-add-custom-opcode-hooks-on-fail.patch queue-6.0/io_uring-rw-don-t-lose-short-results-on-io_setup_async_rw.patch queue-6.0/io_uring-af_unix-defer-registered-files-gc-to-io_uring-release.patch