Module Name:    src
Committed By:   hannken
Date:           Tue Dec 27 10:54:38 UTC 2016

Modified Files:
        src/sys/ufs/ffs: ffs_vfsops.c

Log Message:
Fix a bug introduced with Rev. 1.294:  use LK_NOWAIT when called with MNT_LAZY.


To generate a diff of this commit:
cvs rdiff -u -r1.341 -r1.342 src/sys/ufs/ffs/ffs_vfsops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/ufs/ffs/ffs_vfsops.c
diff -u src/sys/ufs/ffs/ffs_vfsops.c:1.341 src/sys/ufs/ffs/ffs_vfsops.c:1.342
--- src/sys/ufs/ffs/ffs_vfsops.c:1.341	Thu Oct 20 19:31:32 2016
+++ src/sys/ufs/ffs/ffs_vfsops.c	Tue Dec 27 10:54:38 2016
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffs_vfsops.c,v 1.341 2016/10/20 19:31:32 jdolecek Exp $	*/
+/*	$NetBSD: ffs_vfsops.c,v 1.342 2016/12/27 10:54:38 hannken Exp $	*/
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffs_vfsops.c,v 1.341 2016/10/20 19:31:32 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffs_vfsops.c,v 1.342 2016/12/27 10:54:38 hannken Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_ffs.h"
@@ -1917,7 +1917,8 @@ ffs_sync(struct mount *mp, int waitfor, 
 	ctx.is_suspending = is_suspending;
 	while ((vp = vfs_vnode_iterator_next(marker, ffs_sync_selector, &ctx)))
 	{
-		error = vn_lock(vp, LK_EXCLUSIVE);
+		error = vn_lock(vp,
+		    LK_EXCLUSIVE | (waitfor == MNT_LAZY ? LK_NOWAIT : 0));
 		if (error) {
 			vrele(vp);
 			continue;

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