tape: improve inline docu

2020-12-30 17:28:33 +01:00 · 2020-12-30 17:28:33 +01:00 · 75656a78c6
commit 75656a78c6
parent 284eb5daff
1 changed files with 4 additions and 0 deletions
--- a/src/tape/drive/mod.rs
+++ b/src/tape/drive/mod.rs
@ -149,6 +149,10 @@ pub trait TapeDriver {
 /// Get the media changer (MediaChange + name) associated with a tape drive.
 ///
 /// Returns Ok(None) if the drive has no associated changer device.
+///
+/// Note: This may return the drive name as changer-name if the drive
+/// implements some kind of internal changer (which is true for our
+/// 'virtual' drive implementation).
 pub fn media_changer(
    config: &SectionConfigData,
    drive: &str,