[gparted] Disable unmount of busy bcache devices (#183)

[Mike Fleetwood <mfleetwo src gnome org>]

commit fd8c7857da99e75a8569dd643b331b17cf96fd3d
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Wed Jan 26 22:24:54 2022 +0000

    Disable unmount of busy bcache devices (#183)
    
    GParted automatically enables the Partition > Unmount action for busy
    partitions.  Unregister (deactivate) bcache devices is not going to be
    supported so disable it.
    
    Closes #183 - Basic support for bcache

 src/Win_GParted.cc | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index 1e354583..3e3cd4f5 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1264,6 +1264,7 @@ void Win_GParted::set_valid_operations()
             && selected_filesystem.fstype     != FS_LINUX_SWRAID
             && selected_filesystem.fstype     != FS_ATARAID
             && selected_filesystem.fstype     != FS_LUKS
+            && selected_filesystem.fstype     != FS_BCACHE
             && (    selected_filesystem.busy
                  || selected_filesystem.get_mountpoints().size() /* Have mount point(s) */
                  || selected_filesystem.fstype == FS_LINUX_SWAP