MNT_FORCE can cause data loss.

diff --git a/man2/mount.2 b/man2/mount.2
index d1af9fa9233c40a139be247d8e28a378dfde2c55..38bc312d5fb91f9519836194b800aebd58cd7709 100644 (file)
--- a/man2/mount.2
+++ b/man2/mount.2
@@ -226,7 +226,7 @@ unmounts a target, but allows additional
 controlling the behaviour of the operation:
 .TP
 .BR MNT_FORCE " (since Linux 2.1.116)"
-Force unmount even if busy.
+Force unmount even if busy.  This can cause data loss.
 (Only for NFS mounts.)
 .\" FIXME Can MNT_FORCE result in data loss?  According to
 .\" the Solaris manual page it can cause data loss on Solaris.