diff options
| author | Ming Lei <ming.lei@redhat.com> | 2024-05-10 11:50:28 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-05-10 06:09:45 -0600 |
| commit | deb1e496a83557896fe0cca0b8af01c2a97c0dc6 (patch) | |
| tree | 4ba1f6ec7371f33e7198d3b9fa1af94d80f6f996 /include/uapi/linux/io_uring.h | |
| parent | 3d8f874bd620ce03f75a5512847586828ab86544 (diff) | |
io_uring: support to inject result for NOP
Support to inject result for NOP so that we can inject failure from
userspace. It is very helpful for covering failure handling code in
io_uring core change.
With nop flags, it becomes possible to add more test features on NOP in
future.
Suggested-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20240510035031.78874-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/uapi/linux/io_uring.h')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 6dbac55f8686..994bf7af0efe 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -72,6 +72,7 @@ struct io_uring_sqe { __u32 waitid_flags; __u32 futex_flags; __u32 install_fd_flags; + __u32 nop_flags; }; __u64 user_data; /* data to be passed back at completion time */ /* pack this to avoid bogus arm OABI complaints */ @@ -408,6 +409,13 @@ enum io_uring_msg_ring_flags { #define IORING_FIXED_FD_NO_CLOEXEC (1U << 0) /* + * IORING_OP_NOP flags (sqe->nop_flags) + * + * IORING_NOP_INJECT_RESULT Inject result from sqe->result + */ +#define IORING_NOP_INJECT_RESULT (1U << 0) + +/* * IO completion data structure (Completion Queue Entry) */ struct io_uring_cqe { |