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From: Kirk McKusick <mckusick@FreeBSD.org>
Date: Fri, 18 May 2012 18:35:09 +0000 (UTC)
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Subject: svn commit: r235619 - head/sys/sys
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Author: mckusick
Date: Fri May 18 18:35:09 2012
New Revision: 235619
URL: http://svn.freebsd.org/changeset/base/235619

Log:
  Update comment to document that the vnode free-list mutex needs to be
  held when updating mnt_activevnodelist and mnt_activevnodelistsize.

Modified:
  head/sys/sys/mount.h

Modified: head/sys/sys/mount.h
==============================================================================
--- head/sys/sys/mount.h	Fri May 18 18:34:29 2012	(r235618)
+++ head/sys/sys/mount.h	Fri May 18 18:35:09 2012	(r235619)
@@ -148,6 +148,7 @@ struct vfsopt {
  * Lock reference:
  *	m - mountlist_mtx
  *	i - interlock
+ *	v - vnode freelist mutex
  *
  * Unmarked fields are considered stable as long as a ref is held.
  *
@@ -164,8 +165,8 @@ struct mount {
 	int		mnt_ref;		/* (i) Reference count */
 	struct vnodelst	mnt_nvnodelist;		/* (i) list of vnodes */
 	int		mnt_nvnodelistsize;	/* (i) # of vnodes */
-	struct vnodelst	mnt_activevnodelist;	/* (i) list of active vnodes */
-	int		mnt_activevnodelistsize;/* (i) # of active vnodes */
+	struct vnodelst	mnt_activevnodelist;	/* (v) list of active vnodes */
+	int		mnt_activevnodelistsize;/* (v) # of active vnodes */
 	int		mnt_writeopcount;	/* (i) write syscalls pending */
 	int		mnt_kern_flag;		/* (i) kernel only flags */
 	uint64_t	mnt_flag;		/* (i) flags shared with user */