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From: Sevan Janiyan <sevan@FreeBSD.org>
Date: Thu, 30 Mar 2017 02:37:38 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r316207 - stable/10/sbin/fsck
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Author: sevan (doc committer)
Date: Thu Mar 30 02:37:37 2017
New Revision: 316207
URL: https://svnweb.freebsd.org/changeset/base/316207

Log:
  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

Modified:
  stable/10/sbin/fsck/fsck.8
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sbin/fsck/fsck.8
==============================================================================
--- stable/10/sbin/fsck/fsck.8	Thu Mar 30 02:34:21 2017	(r316206)
+++ stable/10/sbin/fsck/fsck.8	Thu Mar 30 02:37:37 2017	(r316207)
@@ -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 syst
 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