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From: Warner Losh <imp@FreeBSD.org>
Date: Mon, 11 Jun 2018 19:32:45 +0000 (UTC)
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Subject: svn commit: r334971 - head/sbin/dump
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Author: imp
Date: Mon Jun 11 19:32:45 2018
New Revision: 334971
URL: https://svnweb.freebsd.org/changeset/base/334971

Log:
  Document the newly enforced 524288 inode restriction.

Modified:
  head/sbin/dump/dump.8

Modified: head/sbin/dump/dump.8
==============================================================================
--- head/sbin/dump/dump.8	Mon Jun 11 19:32:40 2018	(r334970)
+++ head/sbin/dump/dump.8	Mon Jun 11 19:32:45 2018	(r334971)
@@ -29,7 +29,7 @@
 .\"     @(#)dump.8	8.3 (Berkeley) 5/1/95
 .\" $FreeBSD$
 .\"
-.Dd October 3, 2016
+.Dd June 11, 2018
 .Dt DUMP 8
 .Os
 .Sh NAME
@@ -566,3 +566,8 @@ This will be fixed in a later version of
 .Fx .
 Presently, it works if you set it setuid (like it used to be), but this
 might constitute a security risk.
+.Pp
+It is not possible to safely dump filesystems that use more than
+524288 inodes.
+.Nm
+refuses to dump any filesystem that has more than 524288 inodes.