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Complement diagnostic messages about missing per-FS VOP page operations,

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but don't make their absence fatal.
Submitted by:	terry
This commit is contained in:
Mike Smith 1998-03-09 08:58:53 +00:00
parent 739a141cfb
commit 86ffbd76d0
1 changed files with 14 additions and 5 deletions
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19
sys/vm/vnode_pager.c
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@ -38,7 +38,7 @@
* SUCH DAMAGE.
*
* from: @(#)vnode_pager.c 7.5 (Berkeley) 4/20/91
* $Id: vnode_pager.c,v 1.88 1998/03/01 04:18:31 dyson Exp $
* $Id: vnode_pager.c,v 1.89 1998/03/07 21:37:31 dyson Exp $
*/
/*
@ -531,15 +531,18 @@ vnode_pager_getpages(object, m, count, reqpage)
{
int rtval;
struct vnode *vp;
int bytes = count * PAGE_SIZE;
vp = object->handle;
/*
* XXX temporary diagnostic message to help track stale FS code,
* Returning EOPNOTSUPP from here may make things unhappy.
*/
rtval = VOP_GETPAGES(vp, m, count*PAGE_SIZE, reqpage, 0);
if (rtval == EOPNOTSUPP)
printf("vnode_pager: *** WARNING *** stale FS code in system.\n");
rtval = VOP_GETPAGES(vp, m, bytes, reqpage, 0);
if (rtval == EOPNOTSUPP) {
printf("vnode_pager: *** WARNING *** stale FS getpages\n");
rtval = vnode_pager_generic_getpages( vp, m, bytes, reqpage);
}
return rtval;
}
@ -814,9 +817,15 @@ vnode_pager_putpages(object, m, count, sync, rtvals)
{
int rtval;
struct vnode *vp;
int bytes = count * PAGE_SIZE;
vp = object->handle;
return VOP_PUTPAGES(vp, m, count*PAGE_SIZE, sync, rtvals, 0);
rtval = VOP_PUTPAGES(vp, m, bytes, sync, rtvals, 0);
if (rtval == EOPNOTSUPP) {
printf("vnode_pager: *** WARNING *** stale FS putpages\n");
rtval = vnode_pager_generic_putpages( vp, m, bytes, sync, rtvals);
}
return rtval;
}