Module Name: src
Committed By: rmind
Date: Sun May 22 21:52:12 UTC 2011
Modified Files:
src/sys/nfs [rmind-uvmplock]: nfs_node.c
Log Message:
nfs_gop_write: acquire the lock for pmap_page_protect() operation.
To generate a diff of this commit:
cvs rdiff -u -r1.110.4.4 -r1.110.4.5 src/sys/nfs/nfs_node.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/nfs/nfs_node.c
diff -u src/sys/nfs/nfs_node.c:1.110.4.4 src/sys/nfs/nfs_node.c:1.110.4.5
--- src/sys/nfs/nfs_node.c:1.110.4.4 Thu May 19 03:43:03 2011
+++ src/sys/nfs/nfs_node.c Sun May 22 21:52:12 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: nfs_node.c,v 1.110.4.4 2011/05/19 03:43:03 rmind Exp $ */
+/* $NetBSD: nfs_node.c,v 1.110.4.5 2011/05/22 21:52:12 rmind Exp $ */
/*
* Copyright (c) 1989, 1993
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_node.c,v 1.110.4.4 2011/05/19 03:43:03 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_node.c,v 1.110.4.5 2011/05/22 21:52:12 rmind Exp $");
#ifdef _KERNEL_OPT
#include "opt_nfs.h"
@@ -346,9 +346,12 @@
{
int i;
+ mutex_enter(vp->v_interlock);
for (i = 0; i < npages; i++) {
pmap_page_protect(pgs[i], VM_PROT_READ);
}
+ mutex_exit(vp->v_interlock);
+
return genfs_gop_write(vp, pgs, npages, flags);
}
