diff -Nru dosfstools-3.0.13/debian/changelog dosfstools-3.0.13/debian/changelog
--- dosfstools-3.0.13/debian/changelog	2012-06-30 17:15:47.000000000 +0000
+++ dosfstools-3.0.13/debian/changelog	2014-12-26 13:34:44.000000000 +0000
@@ -1,3 +1,10 @@
+dosfstools (3.0.13-1+rpi1) wheezy-staging; urgency=low
+
+  * Apply upstream patch to support dirty bit handling and hence avoid warnings
+    with newer kernels.
+
+ -- Peter Michael Green <plugwash@p10link.net>  Fri, 26 Dec 2014 13:34:16 +0000
+
 dosfstools (3.0.13-1) unstable; urgency=low
 
   * Merging upstream version 3.0.13.
diff -Nru dosfstools-3.0.13/debian/patches/dirty-bit.diff dosfstools-3.0.13/debian/patches/dirty-bit.diff
--- dosfstools-3.0.13/debian/patches/dirty-bit.diff	1970-01-01 00:00:00.000000000 +0000
+++ dosfstools-3.0.13/debian/patches/dirty-bit.diff	2014-12-26 13:33:56.000000000 +0000
@@ -0,0 +1,92 @@
+commit ce2f8dc349a8a6b2c26d1b3892cc9b5f0408bd34
+Author: Oleksij Rempel <bug-track@fisher-privat.net>
+Date:   Wed Jan 23 12:35:13 2013 +0100
+
+    Checking boot sector for dirty bit.
+    
+    Some OSos use reseved byte of boot sector to set state of the file
+    system. If first bit set, then filesystem is proably damaged - write
+    operation was not finished/cache not snycted/...
+    
+    Signed-off-by: Oleksij Rempel <bug-track@fisher-privat.net>
+    Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
+
+Index: dosfstools-3.0.13/src/boot.c
+===================================================================
+--- dosfstools-3.0.13.orig/src/boot.c	2012-06-27 14:02:26.000000000 +0000
++++ dosfstools-3.0.13/src/boot.c	2014-12-26 13:33:47.000000000 +0000
+@@ -290,6 +290,45 @@
+ 	fs->free_clusters = CF_LE_L(i.free_clusters);
+ }
+ 
++static char print_fat_dirty_state(void)
++{
++    printf("Dirty bit is set. Fs was not properly unmounted and"
++           " some data may be corrupt.\n");
++
++    if (interactive) {
++        printf("1) Remove dirty bit\n"
++               "2) No action\n");
++        return get_key("12", "?");
++    } else
++        printf(" Automaticaly removing dirty bit.\n");
++    return '1';
++}
++
++static void check_fat_state_bit (DOS_FS *fs, void *b)
++{
++    if (fs->fat_bits == 32) {
++        struct boot_sector *b32 = b;
++
++        if (b32->reserved3 & FAT_STATE_DIRTY) {
++            printf("0x41: ");
++            if (print_fat_dirty_state() == '1') {
++                b32->reserved3 &= ~FAT_STATE_DIRTY;
++                fs_write(0, sizeof(*b32), b32);
++            }
++        }
++    } else {
++        struct boot_sector_16 *b16 = b;
++
++        if (b16->reserved2 & FAT_STATE_DIRTY) {
++            printf("0x25: ");
++            if (print_fat_dirty_state() == '1') {
++                b16->reserved2 &= ~FAT_STATE_DIRTY;
++                fs_write(0, sizeof(*b16), b16);
++            }
++        }
++    }
++}
++
+ void read_boot(DOS_FS * fs)
+ {
+     struct boot_sector b;
+@@ -362,6 +401,7 @@
+ 		   "  This may lead to problems on some systems.\n",
+ 		   fs->clusters, FAT16_THRESHOLD);
+ 
++	check_fat_state_bit(fs, &b);
+ 	fs->backupboot_start = CF_LE_W(b.backup_boot) * logical_sector_size;
+ 	check_backup_boot(fs, &b, logical_sector_size);
+ 
+@@ -372,6 +412,7 @@
+ 	fs->fat_bits = (fs->clusters >= FAT12_THRESHOLD) ? 16 : 12;
+ 	if (fs->clusters >= FAT16_THRESHOLD)
+ 	    die("Too many clusters (%lu) for FAT16 filesystem.", fs->clusters);
++	check_fat_state_bit(fs, &b);
+     } else {
+ 	/* On Atari, things are more difficult: GEMDOS always uses 12bit FATs
+ 	 * on floppies, and always 16 bit on harddisks. */
+Index: dosfstools-3.0.13/src/dosfsck.h
+===================================================================
+--- dosfstools-3.0.13.orig/src/dosfsck.h	2012-06-27 14:02:26.000000000 +0000
++++ dosfstools-3.0.13/src/dosfsck.h	2014-12-26 13:33:47.000000000 +0000
+@@ -56,6 +56,8 @@
+ 
+ #define VFAT_LN_ATTR (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME)
+ 
++#define FAT_STATE_DIRTY 0x01
++
+ /* ++roman: Use own definition of boot sector structure -- the kernel headers'
+  * name for it is msdos_boot_sector in 2.0 and fat_boot_sector in 2.1 ... */
+ struct boot_sector {
diff -Nru dosfstools-3.0.13/debian/patches/series dosfstools-3.0.13/debian/patches/series
--- dosfstools-3.0.13/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ dosfstools-3.0.13/debian/patches/series	2014-12-26 13:33:45.000000000 +0000
@@ -0,0 +1 @@
+dirty-bit.diff