Document the -f option to mkfs.xfs.

diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8
index 2a6f2f56f8a2eba1992f4a289909b9967a58b20f..373a9f7b241b259b61013c3a016cfdf9df36bc9e 100644 (file)
--- a/man/man8/mkfs.xfs.8
+++ b/man/man8/mkfs.xfs.8
@@ -236,6 +236,13 @@ This suboption should be disabled if the filesystem
 needs to be used on operating system versions which do not support the
 flagging capability.
 .TP
+.B \-f
+Force overwrite when an existing filesystem is detected on the device.
+By default, 
+.I mkfs.xfs
+will not write to the device if it suspects that there is a filesystem
+or partition table on the device already.
+.TP
 .B \-i
 Inode options.
 .IP