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Date:      Wed, 18 Mar 2015 14:51:04 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r280222 - head/sys/sys
Message-ID:  <201503181451.t2IEp4Hr010343@svn.freebsd.org>

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Author: jhb
Date: Wed Mar 18 14:51:03 2015
New Revision: 280222
URL: https://svnweb.freebsd.org/changeset/base/280222

Log:
  Clear an mbuf's external storage flags in m_extaddref(). They are cleared
  in other places that set the external storage type (ext_type) such as
  m_cljset(), m_extadd(), mb_ctor_clust(), and vn_sendfile().
  
  Differential Revision:	https://reviews.freebsd.org/D2080
  Reviewed by:	np, glebius
  MFC after:	2 weeks

Modified:
  head/sys/sys/mbuf.h

Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h	Wed Mar 18 14:49:16 2015	(r280221)
+++ head/sys/sys/mbuf.h	Wed Mar 18 14:51:03 2015	(r280222)
@@ -578,6 +578,7 @@ m_extaddref(struct mbuf *m, caddr_t buf,
 	m->m_ext.ext_arg1 = arg1;
 	m->m_ext.ext_arg2 = arg2;
 	m->m_ext.ext_type = EXT_EXTREF;
+	m->m_ext.ext_flags = 0;
 }
 
 static __inline uma_zone_t



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