Am 24.01.20 um 22:31 schrieb Jens Axboe:
> An id field is added to io_uring_params, which always returns the ID of
> the io-wq backend that is associated with an io_uring context. If an 'id'
> is provided and IORING_SETUP_SHARED is set in the creation flags, then
> we attempt to attach to an existing io-wq instead of setting up a new one.
Use the new name here too.
> ret = io_uring_create(entries, &p);
> diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
> index 57d05cc5e271..f66e53c74a3d 100644
> --- a/include/uapi/linux/io_uring.h
> +++ b/include/uapi/linux/io_uring.h
> @@ -75,6 +75,7 @@ enum {
> #define IORING_SETUP_SQ_AFF (1U << 2) /* sq_thread_cpu is valid */
> #define IORING_SETUP_CQSIZE (1U << 3) /* app defines CQ size */
> #define IORING_SETUP_CLAMP (1U << 4) /* clamp SQ/CQ ring sizes */
> +#define IORING_SETUP_ATTACH_WQ (1U << 5) /* attach to existing wq */
>
> enum {
> IORING_OP_NOP,
> @@ -183,7 +184,8 @@ struct io_uring_params {
> __u32 sq_thread_cpu;
> __u32 sq_thread_idle;
> __u32 features;
> - __u32 resv[4];
> + __u32 id;
I think this should be wq_id;
metze
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