From 0c98a44329c10bf904434524425cb42043513bd6 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Mon, 30 Jun 2025 19:16:55 +0100 Subject: io_uring/mock: support for async read/write Let the user to specify a delay to read/write request. io_uring will start a timer, return -EIOCBQUEUED and complete the request asynchronously after the delay pass. Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/38f9d2e143fda8522c90a724b74630e68f9bbd16.1750599274.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- include/uapi/linux/io_uring/mock_file.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/io_uring/mock_file.h b/include/uapi/linux/io_uring/mock_file.h index 125949d2b5ce..c8fa77e39c68 100644 --- a/include/uapi/linux/io_uring/mock_file.h +++ b/include/uapi/linux/io_uring/mock_file.h @@ -7,6 +7,7 @@ enum { IORING_MOCK_FEAT_CMD_COPY, IORING_MOCK_FEAT_RW_ZERO, IORING_MOCK_FEAT_RW_NOWAIT, + IORING_MOCK_FEAT_RW_ASYNC, IORING_MOCK_FEAT_END, }; @@ -24,7 +25,8 @@ struct io_uring_mock_create { __u32 out_fd; __u32 flags; __u64 file_size; - __u64 __resv[14]; + __u64 rw_delay_ns; + __u64 __resv[13]; }; enum { -- cgit v1.2.3