get rid of pointless includes of ext2_fs.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 7683458..a3d2c9e 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -18,7 +18,6 @@
 #include <linux/mount.h>
 #include <linux/fs.h>
 #include <linux/gfs2_ondisk.h>
-#include <linux/ext2_fs.h>
 #include <linux/falloc.h>
 #include <linux/swap.h>
 #include <linux/crc32.h>
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index a6fda3c..a1a1bfd 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -28,8 +28,6 @@
 #include "suballoc.h"
 #include "move_extents.h"
 
-#include <linux/ext2_fs.h>
-
 #define o2info_from_user(a, b)	\
 		copy_from_user(&(a), (b), sizeof(a))
 #define o2info_to_user(a, b)	\
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 3098a38..9047330 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -2,7 +2,6 @@
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/minix_fs.h>
-#include <linux/ext2_fs.h>
 #include <linux/romfs_fs.h>
 #include <linux/initrd.h>
 #include <linux/sched.h>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 15c6c56..28482f9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -28,7 +28,6 @@
 #include <linux/kernel.h>
 #include <linux/tracehook.h>
 #include <linux/errno.h>
-#include <linux/ext2_fs.h>
 #include <linux/sched.h>
 #include <linux/security.h>
 #include <linux/xattr.h>
@@ -2971,15 +2970,15 @@
 	/* fall through */
 	case FIGETBSZ:
 	/* fall through */
-	case EXT2_IOC_GETFLAGS:
+	case FS_IOC_GETFLAGS:
 	/* fall through */
-	case EXT2_IOC_GETVERSION:
+	case FS_IOC_GETVERSION:
 		error = file_has_perm(cred, file, FILE__GETATTR);
 		break;
 
-	case EXT2_IOC_SETFLAGS:
+	case FS_IOC_SETFLAGS:
 	/* fall through */
-	case EXT2_IOC_SETVERSION:
+	case FS_IOC_SETVERSION:
 		error = file_has_perm(cred, file, FILE__SETATTR);
 		break;