From 000531e58898adfc0561479eb09eb4c1d0624270 Mon Sep 17 00:00:00 2001
From: sevan <sevan@FreeBSD.org>
Date: Thu, 30 Mar 2017 02:37:37 +0000
Subject: MFC r266586

If called without -T or -t, fsck attempts to detect the
file system type.  If this fails, fsck will fail with
"unknown file system type" message.

PR:		188214
---
 sbin/fsck/fsck.8 | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'sbin')

diff --git a/sbin/fsck/fsck.8 b/sbin/fsck/fsck.8
index 3fa113a..5d2a019 100644
--- a/sbin/fsck/fsck.8
+++ b/sbin/fsck/fsck.8
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 25, 2009
+.Dd May 23, 2014
 .Dt FSCK 8
 .Os
 .Sh NAME
@@ -111,6 +111,18 @@ The disk drive containing each file system is inferred from the shortest prefix
 of the device name that ends in a digit; the remaining characters are assumed
 to be the partition and slice designators.
 .Pp
+If the
+.Fl t
+or
+.Fl T
+flags are not specified,
+.Nm
+will attempt to determine the file system type and call the
+appropriated file system check utility.
+Failure to detect the file system type will cause
+.Nm
+to fail with a message that the partition has an unknown file system type.
+.Pp
 The options are as follows:
 .Bl -tag -width indent
 .It Fl C
-- 
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