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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 29 Oct 2018 23:43:17 +0000 (UTC)
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Subject: svn commit: r339892 - head/sys/sys
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Author: kib
Date: Mon Oct 29 23:43:17 2018
New Revision: 339892
URL: https://svnweb.freebsd.org/changeset/base/339892

Log:
  Clarify explanation of VFCF_SBDRY.
  
  Requested by:	mckusick
  Sponsored by:	The FreeBSD Foundation
  MFC after:	3 days

Modified:
  head/sys/sys/mount.h

Modified: head/sys/sys/mount.h
==============================================================================
--- head/sys/sys/mount.h	Mon Oct 29 22:35:46 2018	(r339891)
+++ head/sys/sys/mount.h	Mon Oct 29 23:43:17 2018	(r339892)
@@ -554,7 +554,8 @@ struct ovfsconf {
 #define	VFCF_UNICODE	0x00200000	/* stores file names as Unicode */
 #define	VFCF_JAIL	0x00400000	/* can be mounted from within a jail */
 #define	VFCF_DELEGADMIN	0x00800000	/* supports delegated administration */
-#define	VFCF_SBDRY	0x01000000	/* defer stop requests */
+#define	VFCF_SBDRY	0x01000000	/* Stop at Boundary: defer stop requests
+					   to kernel->user (AST) transition */
 
 typedef uint32_t fsctlop_t;