tape: change code hierarchy to improve docs

src/bin/proxmox-tape.rs

@@ -41,7 +41,7 @@ use proxmox_backup::{
         media_pool::complete_pool_name,
     },
     tape::{
-        open_drive,
+        drive::open_drive,
         complete_media_label_text,
         complete_media_set_uuid,
         file_formats::{

src/bin/proxmox_tape/changer.rs

@@ -19,8 +19,10 @@ use proxmox_backup::{
         },
     },
     tape::{
-        complete_changer_path,
-        media_changer,
+        drive::{
+            media_changer,
+            complete_changer_path,
+        },
     },
     config::{
         self,

src/bin/proxmox_tape/drive.rs

@@ -17,9 +17,7 @@ use proxmox_backup::{
             DRIVE_NAME_SCHEMA,
         },
     },
-    tape::{
-        complete_drive_path,
-    },
+    tape::drive::complete_drive_path,
     config::drive::{
         complete_drive_name,
         complete_changer_name,

src/bin/sg-tape-cmd.rs

@@ -31,8 +31,8 @@ use proxmox_backup::{
         LinuxTapeDrive,
     },
     tape::{
-        TapeDriver,
-        linux_tape::{
+        drive::{
+            TapeDriver,
             LinuxTapeHandle,
             open_linux_tape_device,
             check_tape_is_linux_tape_device,