t/zbd: avoid test case 31 failure with small devices

[fio.git] / os / linux / io_uring.h

diff --git a/os/linux/io_uring.h b/os/linux/io_uring.h
index 929997f8277d9b09f8555d90785074e9da534bc7..c7a24ad88d63dc8220076a153fe724858198ab3e 100644 (file)
--- a/os/linux/io_uring.h
+++ b/os/linux/io_uring.h
@@ -46,6 +46,7 @@ struct io_uring_sqe {
                __u32           rename_flags;
                __u32           unlink_flags;
                __u32           hardlink_flags;
+               __u32           uring_cmd_flags;
        };
        __u64   user_data;      /* data to be passed back at completion time */
        /* pack this to avoid bogus arm OABI complaints */
@@ -131,6 +132,18 @@ enum {
 #define IORING_SETUP_SQE128            (1U << 10) /* SQEs are 128 byte */
 #define IORING_SETUP_CQE32             (1U << 11) /* CQEs are 32 byte */
 
+/*
+ * Only one task is allowed to submit requests
+ */
+#define IORING_SETUP_SINGLE_ISSUER     (1U << 12)
+
+/*
+ * Defer running task work to get events.
+ * Rather than running bits of task work whenever the task transitions
+ * try to do it just before it is needed.
+ */
+#define IORING_SETUP_DEFER_TASKRUN     (1U << 13)
+
 enum {
        IORING_OP_NOP,
        IORING_OP_READV,
@@ -185,6 +198,13 @@ enum {
        IORING_OP_LAST,
 };
 
+/*
+ * sqe->uring_cmd_flags
+ * IORING_URING_CMD_FIXED      use registered buffer; pass thig flag
+ *                             along with setting sqe->buf_index.
+ */
+#define IORING_URING_CMD_FIXED (1U << 0)
+
 /*
  * sqe->fsync_flags
  */