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Code which uses pages fetched by the pager needs PGO_SYNCIO for 

obvious reasons.
This commit is contained in:
pooka 2009-11-10 16:55:12 +00:00
parent 119d5d24b7
commit 054e6b6e93
1 changed files with 4 additions and 3 deletions
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7
sys/rump/librump/rumpvfs/vm_vfs.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_vfs.c,v 1.13 2009/10/18 00:41:09 pooka Exp $ */
/* $NetBSD: vm_vfs.c,v 1.14 2009/11/10 16:55:12 pooka Exp $ */
/*
* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vm_vfs.c,v 1.13 2009/10/18 00:41:09 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: vm_vfs.c,v 1.14 2009/11/10 16:55:12 pooka Exp $");
#include <sys/param.h>
@ -96,7 +96,8 @@ uvm_vnp_zerorange(struct vnode *vp, off_t off, size_t len)
npages = MIN(maxpages, round_page(len) >> PAGE_SHIFT);
memset(pgs, 0, npages * sizeof(struct vm_page *));
mutex_enter(&uobj->vmobjlock);
rv = uobj->pgops->pgo_get(uobj, off, pgs, &npages, 0, 0, 0, 0);
rv = uobj->pgops->pgo_get(uobj, off, pgs, &npages, 0,
VM_PROT_READ | VM_PROT_WRITE, 0, PGO_SYNCIO);
KASSERT(npages > 0);
for (i = 0; i < npages; i++) {