io_uring/bpf_filter: allow filtering on contents of struct open_how

This adds custom filtering for IORING_OP_OPENAT and IORING_OP_OPENAT2,
where the open_how flags, mode, and resolve can be checked by filters.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/uapi/linux/io_uring/bpf_filter.h b/include/uapi/linux/io_uring/bpf_filter.h
index 4dbc89bbbf10..220351b81bc0 100644
--- a/include/uapi/linux/io_uring/bpf_filter.h
+++ b/include/uapi/linux/io_uring/bpf_filter.h
@@ -22,6 +22,11 @@ struct io_uring_bpf_ctx {
 			__u32	type;
 			__u32	protocol;
 		} socket;
+		struct {
+			__u64	flags;
+			__u64	mode;
+			__u64	resolve;
+		} open;
 	};
 };