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-rw-r--r--sbin/mount/mount.86
1 files changed, 6 insertions, 0 deletions
diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
index 27b5885240b6..7ff94fb7c165 100644
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -355,6 +355,12 @@ Lookups will be done in the mounted file system first.
If those operations fail due to a non-existent file the underlying
directory is then accessed.
All creates are done in the mounted file system.
+.It Cm untrusted
+The file system is untrusted and the kernel should use more
+extensive checks on the file-system's metadata before using it.
+This option is intended to be used when mounting file systems
+from untrusted media such as USB memory sticks or other
+externally-provided media.
.El
.Pp
Any additional options specific to a file system type that is not