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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Wed, 4 Oct 2017 22:55:30 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r324289 - head/sys/fs/nfs
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Author: rmacklem
Date: Wed Oct  4 22:55:30 2017
New Revision: 324289
URL: https://svnweb.freebsd.org/changeset/base/324289

Log:
  Add a few definitions for the Flex File Layout.
  
  This patch adds a few definitions for the Flex File Layout.
  Until a future commit adds Flex File layout support, these new fields
  are not used.
  This patch should not affect the "pnfs" option for File Layout.

Modified:
  head/sys/fs/nfs/nfsproto.h

Modified: head/sys/fs/nfs/nfsproto.h
==============================================================================
--- head/sys/fs/nfs/nfsproto.h	Wed Oct  4 21:15:45 2017	(r324288)
+++ head/sys/fs/nfs/nfsproto.h	Wed Oct  4 22:55:30 2017	(r324289)
@@ -637,6 +637,7 @@
 #define	NFSLAYOUT_NFSV4_1_FILES		0x1
 #define	NFSLAYOUT_OSD2_OBJECTS		0x2
 #define	NFSLAYOUT_BLOCK_VOLUME		0x3
+#define	NFSLAYOUT_FLEXFILE		0x4
 
 #define	NFSLAYOUTIOMODE_READ		1
 #define	NFSLAYOUTIOMODE_RW		2
@@ -649,6 +650,12 @@
 /* Flags for File Layout. */
 #define	NFSFLAYUTIL_DENSE		0x1
 #define	NFSFLAYUTIL_COMMIT_THRU_MDS	0x2
+
+/* Flags for Flex File Layout. */
+#define	NFSFLEXFLAG_NO_LAYOUTCOMMIT	0x00000001
+#define	NFSFLEXFLAG_NOIO_MDS		0x00000002
+#define	NFSFLEXFLAG_NO_READIO		0x00000004
+#define	NFSFLEXFLAG_WRITE_ONEMIRROR	0x00000008
 
 /* Conversion macros */
 #define	vtonfsv2_mode(t,m) 						\