Date: Mon, 24 Jan 2000 21:33:20 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: current@freebsd.org Subject: Swapping to NFS via diskless mount broken - patch / review Message-ID: <200001250533.VAA98864@apollo.backplane.com>
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I'd like a quick review of this patch. It looks like swapdev_vnode
changes broke diskless swapping too, not just swap-backed VN. I'm sure
glad someone filed a PR on this (kern/16165) or we would have gone into
release with this bug.
Now, normally I would take this opportunity to put forth some innane
comment directed towards the perpetrators, but at the moment I am simply
going to leave it by expressing my profound unhappiness over the lack
of testing that has gone into commits recently (last couple of months).
Lets please not bof-up this release!
-Matt
Index: vm_swap.c
===================================================================
RCS file: /home/ncvs/src/sys/vm/vm_swap.c,v
retrieving revision 1.95
diff -u -r1.95 vm_swap.c
--- vm_swap.c 2000/01/10 12:04:27 1.95
+++ vm_swap.c 2000/01/25 04:49:32
@@ -210,14 +210,6 @@
if (error)
vrele(vp);
- if (!swapdev_vp) {
- error = getnewvnode(VT_NON, NULL, swapdev_vnodeop_p,
- &swapdev_vp);
- if (error)
- panic("Cannot get vnode for swapdev");
- swapdev_vp->v_type = VNON; /* Untyped */
- }
-
return (error);
}
@@ -245,6 +237,14 @@
register long blk;
swblk_t dvbase;
int error;
+
+ if (!swapdev_vp) {
+ error = getnewvnode(VT_NON, NULL, swapdev_vnodeop_p,
+ &swapdev_vp);
+ if (error)
+ panic("Cannot get vnode for swapdev");
+ swapdev_vp->v_type = VNON; /* Untyped */
+ }
ASSERT_VOP_UNLOCKED(vp, "swaponvp");
for (sp = swdevt, index = 0 ; index < nswdev; index++, sp++) {
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