diff --git a/quota-3.16-ext4support.patch b/quota-3.16-ext4support.patch
new file mode 100644
index 0000000..d8125a7
--- /dev/null
+++ b/quota-3.16-ext4support.patch
@@ -0,0 +1,35 @@
+diff -urNp quota-tools-orig/mntopt.h quota-tools/mntopt.h
+--- quota-tools-orig/mntopt.h	2007-08-22 13:26:55.000000000 +0200
++++ quota-tools/mntopt.h	2008-10-30 09:13:35.000000000 +0100
+@@ -6,7 +6,8 @@
+ /* filesystem type */
+ #define MNTTYPE_EXT2		"ext2"	/* 2nd Extended file system */
+ #define MNTTYPE_EXT3		"ext3"	/* ext2 + journaling */
+-#define MNTTYPE_EXT4		"ext4dev"	/* ext4 filesystem */
++#define MNTTYPE_EXT4		"ext4"	/* ext4 filesystem */
++#define MNTTYPE_EXT4DEV "ext4dev" /* ext4dev filesystem */
+ #define MNTTYPE_MINIX		"minix"	/* MINIX file system */
+ #define MNTTYPE_UFS		"ufs"	/* UNIX file system */
+ #define MNTTYPE_UDF		"udf"	/* OSTA UDF file system */
+diff -urNp quota-tools-orig/quotacheck.c quota-tools/quotacheck.c
+--- quota-tools-orig/quotacheck.c	2008-10-30 09:11:13.000000000 +0100
++++ quota-tools/quotacheck.c	2008-10-30 09:14:20.000000000 +0100
+@@ -1077,6 +1077,7 @@ static void check_all(void)
+ 		    !hasmntopt(mnt, MNTOPT_GRPJQUOTA) && !warned &&
+ 		    (!strcmp(mnt->mnt_type, MNTTYPE_EXT3) ||
+ 		     !strcmp(mnt->mnt_type, MNTTYPE_EXT4) ||
++         !strcmp(mnt->mnt_type, MNTTYPE_EXT4DEV) ||
+ 		     !strcmp(mnt->mnt_type, MNTTYPE_REISER))) {
+ 			struct utsname stats;
+ 
+diff -urNp quota-tools-orig/quotasys.c quota-tools/quotasys.c
+--- quota-tools-orig/quotasys.c	2008-10-30 09:11:12.000000000 +0100
++++ quota-tools/quotasys.c	2008-10-30 09:14:49.000000000 +0100
+@@ -63,6 +63,7 @@ static int correct_fstype(char *type)
+ 		if (!strcmp(type, MNTTYPE_EXT2) ||
+ 		    !strcmp(type, MNTTYPE_EXT3) ||
+ 		    !strcmp(type, MNTTYPE_EXT4) ||
++        !strcmp(type, MNTTYPE_EXT4DEV) ||
+ 		    !strcmp(type, MNTTYPE_JFS) ||
+ 		    !strcmp(type, MNTTYPE_MINIX) ||
+ 		    !strcmp(type, MNTTYPE_UFS) ||
diff --git a/quota.spec b/quota.spec
index 3643cc5..e79b0a1 100644
--- a/quota.spec
+++ b/quota.spec
@@ -5,7 +5,7 @@ Name: quota
 Summary: System administration tools for monitoring users' disk usage
 Epoch: 1
 Version: 3.16
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: BSD and GPLv2+
 URL: http://sourceforge.net/projects/linuxquota/
 Group: System Environment/Base
@@ -22,6 +22,7 @@ Patch4: quota-3.13-wrong-ports.patch
 Patch5: quota-3.16-formatstring.patch
 Patch6: quota-3.16-helpoption.patch
 Patch7: quota-3.16-upstreampatches.patch
+Patch8: quota-3.16-ext4support.patch
 
 %description
 The quota package contains system administration tools for monitoring
@@ -52,6 +53,7 @@ on remote machines.
 %patch5 -p1
 %patch6 -p1
 %patch7 -p1
+%patch8 -p1 -b .ext4
 
 #fix typos/mistakes in localized documentation
 for pofile in $(find ./po/*.p*)
@@ -65,7 +67,7 @@ done
 %if %{rpcsetquota}
 	--enable-rpcsetquota=yes \
 %endif
-	--enable-rootsbin 
+	--enable-rootsbin
 make
 
 
@@ -111,6 +113,10 @@ rm -rf %{buildroot}
 %attr(0644,root,root) %{_mandir}/man3/*
 
 %changelog
+* Thu Oct 30 2008 Ondrej Vasik <ovasik@redhat.com> 1:3.16-6
+- fix implementation of ext4 support
+  (by Mingming Cao, #469127)
+
 * Wed Sep 10 2008 Ondrej Vasik <ovasik@redhat.com> 1:3.16-5
 - fix rpmlint warnings - absolute symlink and not using epoch
   in version in changelog (#226353)