svn commit: r248511 - head/sys/sys

[Konstantin Belousov]

Author: kib
Date: Tue Mar 19 14:33:01 2013
New Revision: 248511
URL: http://svnweb.freebsd.org/changeset/base/248511

Log:
  A flag for the filesystem to indicate to the upper levels that it accepts
  unmapped buffers for the VOP_STRATEGY().
  
  Sponsored by:	The FreeBSD Foundation
  Tested by:	pho

Modified:
  head/sys/sys/mount.h

Modified: head/sys/sys/mount.h
==============================================================================
--- head/sys/sys/mount.h	Tue Mar 19 14:27:14 2013	(r248510)
+++ head/sys/sys/mount.h	Tue Mar 19 14:33:01 2013	(r248511)
@@ -351,6 +351,7 @@ void          __mnt_vnode_markerfree_act
 #define	MNTK_VGONE_WAITER	0x00000400
 #define	MNTK_LOOKUP_EXCL_DOTDOT	0x00000800
 #define	MNTK_MARKER		0x00001000
+#define	MNTK_UNMAPPED_BUFS	0x00002000
 #define MNTK_NOASYNC	0x00800000	/* disable async */
 #define MNTK_UNMOUNT	0x01000000	/* unmount in progress */
 #define	MNTK_MWAIT	0x02000000	/* waiting for unmount to finish */