From 760be5c8cae4dbbdebbf5710ff2278fcecdd114b Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Thu, 5 Jun 2003 21:57:19 +0000
Subject: Fix NFS file swapping, I broke it 3 months ago it seems.

---
 sys/vm/vm_swap.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/sys/vm/vm_swap.c b/sys/vm/vm_swap.c
index 057a85d..4d9e783 100644
--- a/sys/vm/vm_swap.c
+++ b/sys/vm/vm_swap.c
@@ -314,12 +314,12 @@ swaponvp(td, vp, dev, nblks)
 	if (error)
 		return (error);
 
-	error = VOP_IOCTL(vp, DIOCGMEDIASIZE, (caddr_t)&mediasize,
-	    FREAD, td->td_ucred, td);
-	if (error == 0)
-            nblks = mediasize / DEV_BSIZE;
-	else
-	    nblks = 0;
+	if (nblks == 0) {
+		error = VOP_IOCTL(vp, DIOCGMEDIASIZE, (caddr_t)&mediasize,
+		    FREAD, td->td_ucred, td);
+		if (error == 0)
+		    nblks = mediasize / DEV_BSIZE;
+	}
 	/*
 	 * XXX: We should also check that the sectorsize makes sense
 	 * XXX: it should be a power of two, no larger than the page size.
-- 
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