1 files changed, 87 insertions, 0 deletions
diff --git a/src/spdk/test/unit/lib/blob/bs_scheduler.c b/src/spdk/test/unit/lib/blob/bs_scheduler.c
new file mode 100644
index 000000000..4b58fa007
--- /dev/null
+++ b/src/spdk/test/unit/lib/blob/bs_scheduler.c
@@ -0,0 +1,87 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+bool g_scheduler_delay = false;
+
+struct scheduled_ops {
+	spdk_msg_fn	fn;
+	void		*ctx;
+
+	TAILQ_ENTRY(scheduled_ops)	ops_queue;
+};
+
+static TAILQ_HEAD(, scheduled_ops) g_scheduled_ops = TAILQ_HEAD_INITIALIZER(g_scheduled_ops);
+
+void _bs_flush_scheduler(uint32_t);
+
+static void
+_bs_send_msg(spdk_msg_fn fn, void *ctx, void *thread_ctx)
+{
+	if (g_scheduler_delay) {
+		struct scheduled_ops *ops = calloc(1, sizeof(*ops));
+
+		SPDK_CU_ASSERT_FATAL(ops != NULL);
+		ops->fn = fn;
+		ops->ctx = ctx;
+		TAILQ_INSERT_TAIL(&g_scheduled_ops, ops, ops_queue);
+
+	} else {
+		fn(ctx);
+	}
+}
+
+static void
+_bs_flush_scheduler_single(void)
+{
+	struct scheduled_ops *op;
+	TAILQ_HEAD(, scheduled_ops) ops;
+	TAILQ_INIT(&ops);
+
+	TAILQ_SWAP(&g_scheduled_ops, &ops, scheduled_ops, ops_queue);
+
+	while (!TAILQ_EMPTY(&ops)) {
+		op = TAILQ_FIRST(&ops);
+		TAILQ_REMOVE(&ops, op, ops_queue);
+
+		op->fn(op->ctx);
+		free(op);
+	}
+}
+
+void
+_bs_flush_scheduler(uint32_t n)
+{
+	while (n--) {
+		_bs_flush_scheduler_single();
+	}
+}