Add metadata for a LoopDevice

Getting the `Metadata` is usefull to access the major/minor number of the device that is needed when using the loopdev in combination with device-mapper.
mdaffin · May 31, 2021 · 576a69d · 576a69d
1 parent 7959858
commit 576a69d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/lib.rs b/src/lib.rs
@@ -22,9 +22,9 @@ use bindings::{
     loop_info64, LOOP_CLR_FD, LOOP_CTL_GET_FREE, LOOP_SET_CAPACITY, LOOP_SET_FD, LOOP_SET_STATUS64,
 };
 use libc::{c_int, ioctl};
-use std::fs::{File, OpenOptions};
 use std::{
     default::Default,
+    fs::{File, Metadata, OpenOptions},
     io,
     os::unix::prelude::*,
     path::{Path, PathBuf},
@@ -263,6 +263,11 @@ impl LoopDevice {
         std::fs::read_link(&p).ok()
     }
 
+    /// Get the device metadata
+    pub fn metadata(&self) -> io::Result<Metadata> {
+        self.device.metadata()
+    }
+
     /// Detach a loop device from its backing file.
     ///
     /// Note that the device won't fully detach until a short delay after the underling device file