X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/38fcd08dda022d0167840fbb65222fe99b75fcf5..91f976b99d4e7f00d2c1fbfee75812c3b1b780c6:/services/fuse/arvados_fuse/command.py

diff --git a/services/fuse/arvados_fuse/command.py b/services/fuse/arvados_fuse/command.py
index fea6048798..b3717ff07c 100644
--- a/services/fuse/arvados_fuse/command.py
+++ b/services/fuse/arvados_fuse/command.py
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 import argparse
 import arvados
 import daemon
@@ -93,9 +97,9 @@ class ArgumentParser(argparse.ArgumentParser):
 
         unmount = self.add_mutually_exclusive_group()
         unmount.add_argument('--unmount', action='store_true', default=False,
-                             help="Forcefully unmount the specified mountpoint (if it's a fuse mount) and exit.")
+                             help="Forcefully unmount the specified mountpoint (if it's a fuse mount) and exit. If --subtype is given, unmount only if the mount has the specified subtype. WARNING: This command can affect any kind of fuse mount, not just arv-mount.")
         unmount.add_argument('--unmount-all', action='store_true', default=False,
-                             help="Forcefully unmount every fuse mount at or below the specified mountpoint and exit.")
+                             help="Forcefully unmount every fuse mount at or below the specified path and exit. If --subtype is given, unmount only mounts that have the specified subtype. Exit non-zero if any other types of mounts are found at or below the given path. WARNING: This command can affect any kind of fuse mount, not just arv-mount.")
         unmount.add_argument('--replace', action='store_true', default=False,
                              help="If a fuse mount is already present at mountpoint, forcefully unmount it before mounting")
         self.add_argument('--unmount-timeout',
@@ -159,6 +163,7 @@ class Mount(object):
     def run(self):
         if self.args.unmount or self.args.unmount_all:
             unmount(path=self.args.mountpoint,
+                    subtype=self.args.subtype,
                     timeout=self.args.unmount_timeout,
                     recursive=self.args.unmount_all)
         elif self.args.exec_args: