diff --git a/Makefile b/Makefile
new file mode 100755
index 0000000..e721362
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+#  SPDX-License-Identifier: BSD-3-Clause
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
+include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
+include $(SPDK_ROOT_DIR)/mk/spdk.modules.mk
+
+APP = zvfs
+
+C_SRCS := zv2404fs.c
+
+SPDK_LIB_LIST = $(ALL_MODULES_LIST) event event_bdev
+
+include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
diff --git a/fio_script/bdev.fio b/fio_script/bdev.fio
new file mode 100755
index 0000000..9e03025
--- /dev/null
+++ b/fio_script/bdev.fio
@@ -0,0 +1,18 @@
+[global]
+ioengine=spdk_bdev
+spdk_json_conf=/home/king/share/zvfs/fio_script/zvfs.json
+thread=1
+direct=1
+time_based
+runtime=10
+rw=randwrite
+bs=16K
+zonemode=zbd
+max_open_zones=8
+initial_zone_reset=1
+zone_append=1
+iodepth=64
+
+[test]
+filename=Zone0
+numjobs=1
diff --git a/fio_script/io_uring.fio b/fio_script/io_uring.fio
new file mode 100755
index 0000000..7211056
--- /dev/null
+++ b/fio_script/io_uring.fio
@@ -0,0 +1,19 @@
+[global]
+thread=1
+group_reporting=1
+direct=1
+verify=0
+time_based=1
+runtime=10
+bs=16K
+size=16384
+iodepth=64
+rw=randwrite
+filename=kingfs
+ioengine=io_uring
+
+[test]
+stonewall
+description="variable bs"
+bs=16K
+
diff --git a/fio_script/kingfs b/fio_script/kingfs
new file mode 100755
index 0000000..56af658
Binary files /dev/null and b/fio_script/kingfs differ
diff --git a/fio_script/libaio.fio b/fio_script/libaio.fio
new file mode 100755
index 0000000..09de1d7
--- /dev/null
+++ b/fio_script/libaio.fio
@@ -0,0 +1,19 @@
+[global]
+thread=1
+group_reporting=1
+direct=1
+verify=0
+time_based=1
+runtime=10
+bs=16K
+size=16384
+iodepth=64
+rw=randwrite
+filename=kingfs
+ioengine=libaio
+
+[test]
+stonewall
+description="variable bs"
+bs=16K
+
diff --git a/fio_script/nvme.fio b/fio_script/nvme.fio
new file mode 100755
index 0000000..fd119a3
--- /dev/null
+++ b/fio_script/nvme.fio
@@ -0,0 +1,18 @@
+[global]
+thread=1
+group_reporting=1
+direct=1
+verify=0
+time_based=1
+ramp_time=10
+runtime=10
+bs=16K
+size=16384
+iodepth=64
+rw=randwrite
+ioengine=spdk
+
+[test]
+numjobs=1
+filename=trtype=PCIe traddr=0000.03.00.0 ns=1
+bs=16k
diff --git a/fio_script/psync.fio b/fio_script/psync.fio
new file mode 100755
index 0000000..13618e7
--- /dev/null
+++ b/fio_script/psync.fio
@@ -0,0 +1,20 @@
+
+[global]
+thread=1
+group_reporting=1
+direct=1
+verify=0
+time_based=1
+runtime=10
+bs=16K
+size=16384
+iodepth=64
+rw=randwrite
+filename=kingfs
+ioengine=psync
+
+[test]
+stonewall
+description="variable bs"
+bs=16K
+
diff --git a/fio_script/zvfs.json b/fio_script/zvfs.json
new file mode 100755
index 0000000..be22443
--- /dev/null
+++ b/fio_script/zvfs.json
@@ -0,0 +1,35 @@
+{
+    "subsystems": [
+        {
+            "subsystem": "bdev",
+            "config": [
+                {
+                "method": "bdev_nvme_attach_controller",
+                "params": 
+                    {
+                    "trtype": "PCIe",
+                    "name":"Nvme0",
+                    "traddr":"0000:03:00.0"
+                    }
+                },
+                {
+                    "method": "bdev_malloc_create",
+                    "params": {
+                      "name": "Malloc0",
+                      "num_blocks": 2097152,
+                      "block_size": 512
+                    }
+                },
+                {
+                    "method": "bdev_zone_block_create",
+                    "params": {
+                      "base_bdev": "Malloc0",
+                      "name": "Zone0",
+                      "zone_capacity": 262144,
+                      "optimal_open_zones": 8
+                    }
+                }
+            ]
+        }
+    ]
+}
diff --git a/zv2404fs.c b/zv2404fs.c
new file mode 100755
index 0000000..fe90aad
--- /dev/null
+++ b/zv2404fs.c
@@ -0,0 +1,54 @@
+
+
+#include <stdio.h>
+
+#include <spdk/event.h>
+#include <spdk/blob.h>
+#include <spdk/bdev.h>
+#include <spdk/blob_bdev.h>
+
+
+void zv2404_spdk_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,
+				     void *event_ctx) {
+
+	printf("zv2404_spdk_bdev_event_cb\n");
+
+}
+
+
+
+
+static void zv2404fs_entry(void *ctx) {
+
+	
+	struct spdk_bs_dev *bs_dev = NULL;
+
+	int rc = spdk_bdev_create_bs_dev_ext("Malloc0", zv2404_spdk_bdev_event_cb, NULL, &bs_dev);
+	if (rc != 0) {
+		spdk_app_stop(0);
+	}
+
+	
+	
+	printf("zv2404fs_entry\n");
+
+}
+
+
+int main(int argc, char *argv[]) {
+
+	if (argc != 2) return -1;
+
+	struct spdk_app_opts opts = {};
+
+	spdk_app_opts_init(&opts, sizeof(opts));
+	opts.name = "zv2404fs";
+	opts.json_config_file = argv[1];
+	
+	spdk_app_start(&opts, zv2404fs_entry, NULL);
+
+	printf("hello spdk\n");
+
+}
+
+