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); }