scanner status command(1)

Signed-off-by: mujunxiang <1948535941@qq.com>

ecstore/src/utils/os/unix.rs

@@ -75,3 +75,7 @@ pub fn same_disk(disk1: &str, disk2: &str) -> Result<bool> {
 
     Ok(stat1.st_dev == stat2.st_dev)
 }
+
+pub fn get_drive_stats(major: u32, minor: u32) -> Result<IOStats> {
+    IOStats::default()
+}