Module Name:    src
Committed By:   pooka
Date:           Tue Jan  4 00:09:43 UTC 2011

Modified Files:
        src/sys/rump/librump/rumpvfs: rumpfs.c

Log Message:
Don't try to change the size of non-reg nodes or when vattr doesn't
contain a new size.

from njoly


To generate a diff of this commit:
cvs rdiff -u -r1.79 -r1.80 src/sys/rump/librump/rumpvfs/rumpfs.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/rump/librump/rumpvfs/rumpfs.c
diff -u src/sys/rump/librump/rumpvfs/rumpfs.c:1.79 src/sys/rump/librump/rumpvfs/rumpfs.c:1.80
--- src/sys/rump/librump/rumpvfs/rumpfs.c:1.79	Sat Jan  1 19:47:22 2011
+++ src/sys/rump/librump/rumpvfs/rumpfs.c	Tue Jan  4 00:09:43 2011
@@ -1,4 +1,4 @@
-/*	$NetBSD: rumpfs.c,v 1.79 2011/01/01 19:47:22 pooka Exp $	*/
+/*	$NetBSD: rumpfs.c,v 1.80 2011/01/04 00:09:43 pooka Exp $	*/
 
 /*
  * Copyright (c) 2009, 2010 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.79 2011/01/01 19:47:22 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.80 2011/01/04 00:09:43 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -776,10 +776,13 @@
 		struct vattr *a_vap;
 		kauth_cred_t a_cred;
 	} */ *ap = v;
-	struct rumpfs_node *rn = ap->a_vp->v_data;
+	struct vnode *vp = ap->a_vp;
+	struct vattr *vap = ap->a_vap;
+	struct rumpfs_node *rn = vp->v_data;
 
-	memcpy(&rn->rn_va, ap->a_vap, sizeof(struct vattr));
-	uvm_vnp_setsize(ap->a_vp, ap->a_vap->va_size);
+	memcpy(&rn->rn_va, vap, sizeof(rn->rn_va));
+	if (vp->v_type == VREG && vap->va_size != VSIZENOTSET)
+		uvm_vnp_setsize(vp, vap->va_size);
 	return 0;
 }
 

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