Index: check.c
===================================================================
RCS file: /home/ncvs/src/sbin/fsck_msdosfs/check.c,v
retrieving revision 1.10
diff -a -u -r1.10 check.c
--- check.c	5 Feb 2004 15:47:46 -0000	1.10
+++ check.c	24 Oct 2006 13:59:29 -0000
@@ -84,7 +84,7 @@
 		return 8;
 	}
 
-	if (skipclean && preen && checkdirty(dosfs, &boot)) {
+	if (skipclean && (preen || forceskipclean) && checkdirty(dosfs, &boot)) {
 		printf("%s: ", fname);
 		printf("FILESYSTEM CLEAN; SKIPPING CHECKS\n");
 		ret = 0;
Index: ext.h
===================================================================
RCS file: /home/ncvs/src/sbin/fsck_msdosfs/ext.h,v
retrieving revision 1.10
diff -a -u -r1.10 ext.h
--- ext.h	9 Mar 2005 10:10:51 -0000	1.10
+++ ext.h	24 Oct 2006 13:59:29 -0000
@@ -49,6 +49,7 @@
 extern int preen;	/* we are preening */
 extern int rdonly;	/* device is opened read only (supersedes above) */
 extern int skipclean;	/* skip clean file systems if preening */
+extern int forceskipclean;	/* skip clean file systems (always) */
 
 extern struct dosDirEntry *rootDir;
 
Index: fsck_msdosfs.8
===================================================================
RCS file: /home/ncvs/src/sbin/fsck_msdosfs/fsck_msdosfs.8,v
retrieving revision 1.15
diff -a -u -r1.15 fsck_msdosfs.8
--- fsck_msdosfs.8	10 Feb 2005 09:39:51 -0000	1.15
+++ fsck_msdosfs.8	24 Oct 2006 13:59:29 -0000
@@ -44,7 +44,7 @@
 .Op Fl f
 .Ar filesystem ...
 .Nm
-.Op Fl ny
+.Op Fl Cny
 .Ar filesystem ...
 .Sh DESCRIPTION
 The
@@ -80,6 +80,8 @@
 .Pp
 The options are as follows:
 .Bl -tag -width indent
+.It Fl C
+The file systems marked clean are always skipped (not only in preen mode).
 .It Fl F
 Compatibility with the wrapper
 .Xr fsck 8
Index: main.c
===================================================================
RCS file: /home/ncvs/src/sbin/fsck_msdosfs/main.c,v
retrieving revision 1.15
diff -a -u -r1.15 main.c
--- main.c	10 Feb 2005 09:39:51 -0000	1.15
+++ main.c	24 Oct 2006 13:59:29 -0000
@@ -54,6 +54,7 @@
 int preen;		/* set when preening */
 int rdonly;		/* device is opened read only (supersedes above) */
 int skipclean;		/* skip clean file systems if preening */
+int forceskipclean;	/* skip clean file systems (always) */
 
 static void usage(void) __dead2;
 
@@ -63,7 +64,7 @@
 
 	fprintf(stderr, "%s\n%s\n",
 	    "usage: fsck_msdosfs -p [-f] filesystem ...",
-	    "       fsck_msdosfs [-ny] filesystem ...");
+	    "       fsck_msdosfs [-Cny] filesystem ...");
 	exit(1);
 }
 
@@ -74,8 +75,11 @@
 	int ch;
 
 	skipclean = 1;
-	while ((ch = getopt(argc, argv, "fFnpy")) != -1) {
+	while ((ch = getopt(argc, argv, "CfFnpy")) != -1) {
 		switch (ch) {
+		case 'C':
+			forceskipclean = 1;
+			break;
 		case 'f':
 			skipclean = 0;
 			break;