From ffc58b342995c6537f442db710ab213c057f968d Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@gmx.de>
Date: Tue, 24 Jul 2012 19:42:18 +0200
Subject: [PATCH] cwfs: make sure we do a full dump after toggling noatime

---
 sys/src/cmd/cwfs/all.h    | 1 +
 sys/src/cmd/cwfs/con.c    | 1 +
 sys/src/cmd/cwfs/config.c | 6 ++----
 sys/src/cmd/cwfs/cw.c     | 3 ++-
 4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/sys/src/cmd/cwfs/all.h b/sys/src/cmd/cwfs/all.h
index 05d5d4c48..a74be73d8 100644
--- a/sys/src/cmd/cwfs/all.h
+++ b/sys/src/cmd/cwfs/all.h
@@ -85,6 +85,7 @@ ulong	authdebugflag;
 int	noattach;		/* attach is disabled */
 int	noauth;			/* auth is disable */
 int	noatime;		/* atime is disabled */
+int	noatimeset;		/* noatime was changed (reset after dump) */
 int	wstatallow;		/* set to circumvent wstat permissions */
 int	writeallow;		/* set to circumvent write permissions */
 int	duallow;		/* single user to allow du */
diff --git a/sys/src/cmd/cwfs/con.c b/sys/src/cmd/cwfs/con.c
index 496915d0e..fb5be9666 100644
--- a/sys/src/cmd/cwfs/con.c
+++ b/sys/src/cmd/cwfs/con.c
@@ -697,6 +697,7 @@ void
 cmd_noatime(int, char *[])
 {
 	noatime = !noatime;
+	noatimeset++;
 	print("atime %s\n", noatime ? "disabled" : "enabled");
 }
 
diff --git a/sys/src/cmd/cwfs/config.c b/sys/src/cmd/cwfs/config.c
index 8609790a8..a9c87bb6c 100644
--- a/sys/src/cmd/cwfs/config.c
+++ b/sys/src/cmd/cwfs/config.c
@@ -21,9 +21,8 @@ static Device* confdev;
 static int copyworm = 0, copydev = 0;
 static char *src, *dest;
 
-static int noauthset = 0;
-static int noatimeset = 0;
-static int readonlyset = 0;
+static int noauthset;
+static int readonlyset;
 static int resetparams;
 
 Fspar fspar[] = {
@@ -613,7 +612,6 @@ start:
 
 		putbuf(p);
 		f.modconf = f.newconf = 0;
-		noauthset = noatimeset = readonlyset = 0;
 		goto start;
 	}
 	putbuf(p);
diff --git a/sys/src/cmd/cwfs/cw.c b/sys/src/cmd/cwfs/cw.c
index 26475f0c1..351f3d09f 100644
--- a/sys/src/cmd/cwfs/cw.c
+++ b/sys/src/cmd/cwfs/cw.c
@@ -1491,7 +1491,8 @@ cfsdump(Filsys *fs)
 	if(chatty)
 		fprint(2, "cwroot %lld", (Wideoff)orba);
 	cons.noage = 1;
-	cw->all = cw->allflag | noatime;
+	cw->all = cw->allflag | noatime | noatimeset;
+	noatimeset = 0;
 	rba = cwrecur(cw, orba, Tsuper, 0, QPROOT);
 	if(rba == 0)
 		rba = orba;