cephfs-top: navigate to home screen when no fs

Return back to the home (All Filesystem Info) screen,
when all the filesystems are removed while waiting for a key input in set_key().
There's no need to return to `Selected FS` screen.

Fixes: https://tracker.ceph.com/issues/58823
Signed-off-by: Jos Collin <jcollin@redhat.com>
(cherry picked from commit 61e097b2cbc7eac83f9cff644f500be9247f7847)

diff --git a/src/tools/cephfs/top/cephfs-top b/src/tools/cephfs/top/cephfs-top
index f6bab537e3b5645255922c2e6ab6ce8be0a20594..f0ecbeffdaf875577dd21a106e2e0b15929d33a0 100755 (executable)
--- a/src/tools/cephfs/top/cephfs-top
+++ b/src/tools/cephfs/top/cephfs-top
@@ -278,7 +278,7 @@ class FSTop(object):
         stdscr.clear()
         h, w = stdscr.getmaxyx()
         title = ['No filesystem available',
-                 'Press "q" to go back to home (all filesystem info) screen']
+                 'Press "q" to go back to home (All Filesystem Info) screen']
         pos_x1 = w // 2 - len(title[0]) // 2
         pos_x2 = w // 2 - len(title[1]) // 2
         stdscr.addstr(1, pos_x1, title[0], curses.A_STANDOUT | curses.A_BOLD)
@@ -306,10 +306,10 @@ class FSTop(object):
                 endmenu = True
             elif key == ord('q'):
                 self.stdscr.erase()
-                if self.active_screen == FS_TOP_ALL_FS_APP:
-                    self.run_all_display()
-                else:
+                if fs_list and self.active_screen == FS_TOP_FS_SELECTED_APP:
                     self.run_display()
+                else:
+                    self.run_all_display()
                 endmenu = True
 
             try: