Index: linux-2.6.18-128.1.6/fs/ext4/inode.c
===================================================================
--- linux-2.6.18-128.1.6.orig/fs/ext4/inode.c
+++ linux-2.6.18-128.1.6/fs/ext4/inode.c
@@ -2850,11 +2850,11 @@ struct inode *ext4_iget(struct super_blo
 	EXT4_INODE_GET_XTIME(i_atime, inode, raw_inode);
 	EXT4_EINODE_GET_XTIME(i_crtime, ei, raw_inode);
 
-	inode->i_version = le32_to_cpu(raw_inode->i_disk_version);
+	ei->i_fs_version = le32_to_cpu(raw_inode->i_disk_version);
 	if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
 		if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
-			inode->i_version |=
-			(__u64)(le32_to_cpu(raw_inode->i_version_hi)) << 32;
+			ei->i_fs_version |= (__u64)(le32_to_cpu(raw_inode->i_version_hi))
+									 << 32;
 	}
 
 	if (S_ISREG(inode->i_mode)) {
@@ -3043,16 +3043,11 @@ static int ext4_do_update_inode(handle_t
 	} else for (block = 0; block < EXT4_N_BLOCKS; block++)
 		raw_inode->i_block[block] = ei->i_data[block];
 
-	raw_inode->i_disk_version = cpu_to_le32(inode->i_version);
+	raw_inode->i_disk_version = cpu_to_le32(ei->i_fs_version);
 	if (ei->i_extra_isize) {
 		if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
-			/* in RHEL5 i_version is an unsigned long */
-#if BITS_PER_LONG == 64
-			raw_inode->i_version_hi =
-			cpu_to_le32(inode->i_version >> 32);
-#else
-			raw_inode->i_version_hi = 0;
-#endif
+			raw_inode->i_version_hi = cpu_to_le32(ei->i_fs_version
+							      >> 32);
 		raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize);
 	}
 
Index: linux-2.6.18-128.1.6/fs/ext4/ext4.h
===================================================================
--- linux-2.6.18-128.1.6.orig/fs/ext4/ext4.h
+++ linux-2.6.18-128.1.6/fs/ext4/ext4.h
@@ -21,6 +21,8 @@
 #include <linux/seqlock.h>
 #include <linux/mutex.h>
 
+#define HAVE_DISK_INODE_VERSION
+
 /* data type for block offset of block group */
 typedef int ext4_grpblk_t;
 
@@ -164,6 +166,8 @@ struct ext4_inode_info {
	struct list_head i_aio_dio_complete_list;
	/* current io_end structure for async DIO write*/
	ext4_io_end_t *cur_aio_dio;
+
+	__u64 i_fs_version;
 };
 
 /*
Index: linux-2.6.18-128.1.6/fs/ext4/ialloc.c
===================================================================
--- linux-2.6.18-128.1.6.orig/fs/ext4/ialloc.c
+++ linux-2.6.18-128.1.6/fs/ext4/ialloc.c
@@ -878,6 +878,7 @@ got:
 	ei->i_block_alloc_info = NULL;
 	ei->i_block_group = group;
	ei->i_last_alloc_group = ~0;
+	ei->i_fs_version = 0;
 
 	ext4_set_inode_flags(inode);
 	if (IS_DIRSYNC(inode))