diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index f86f248..d3a4081 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1,10 +1,10 @@
 /*
- * linux/fs/ext3/xattr.c
+ * linux/fs/ext4/xattr.c
  *
  * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
  *
  * Fix by Harrison Xing <harrison@mountainviewdata.com>.
- * Ext3 code with a lot of help from Eric Jarman <ejarman@acm.org>.
+ * Ext4 code with a lot of help from Eric Jarman <ejarman@acm.org>.
  * Extended attributes for symlinks and special files added per
  *  suggestion of Luka Renko <luka.renko@hermes.si>.
  * xattr consolidation Copyright (c) 2004 James Morris <jmorris@redhat.com>,
@@ -43,7 +43,7 @@
  *
  * Locking strategy
  * ----------------
- * EXT3_I(inode)->i_file_acl is protected by EXT3_I(inode)->xattr_sem.
+ * EXT4_I(inode)->i_file_acl is protected by EXT4_I(inode)->xattr_sem.
  * EA blocks are only changed if they are exclusive to an inode, so
  * holding xattr_sem also means that nothing but the EA block's reference
  * count can change. Multiple writers to the same block are synchronized
@@ -53,27 +53,27 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
-#include <linux/ext3_jbd.h>
-#include <linux/ext3_fs.h>
+#include <linux/ext4_jbd.h>
+#include <linux/ext4_fs.h>
 #include <linux/mbcache.h>
 #include <linux/quotaops.h>
 #include <linux/rwsem.h>
 #include "xattr.h"
 #include "acl.h"
 
-#define BHDR(bh) ((struct ext3_xattr_header *)((bh)->b_data))
-#define ENTRY(ptr) ((struct ext3_xattr_entry *)(ptr))
+#define BHDR(bh) ((struct ext4_xattr_header *)((bh)->b_data))
+#define ENTRY(ptr) ((struct ext4_xattr_entry *)(ptr))
 #define BFIRST(bh) ENTRY(BHDR(bh)+1)
 #define IS_LAST_ENTRY(entry) (*(__u32 *)(entry) == 0)
 
 #define IHDR(inode, raw_inode) \
-	((struct ext3_xattr_ibody_header *) \
+	((struct ext4_xattr_ibody_header *) \
 		((void *)raw_inode + \
-		 EXT3_GOOD_OLD_INODE_SIZE + \
-		 EXT3_I(inode)->i_extra_isize))
-#define IFIRST(hdr) ((struct ext3_xattr_entry *)((hdr)+1))
+		 EXT4_GOOD_OLD_INODE_SIZE + \
+		 EXT4_I(inode)->i_extra_isize))
+#define IFIRST(hdr) ((struct ext4_xattr_entry *)((hdr)+1))
 
-#ifdef EXT3_XATTR_DEBUG
+#ifdef EXT4_XATTR_DEBUG
 # define ea_idebug(inode, f...) do { \
 		printk(KERN_DEBUG "inode %s:%lu: ", \
 			inode->i_sb->s_id, inode->i_ino); \
@@ -93,47 +93,47 @@
 # define ea_bdebug(f...)
 #endif
 
-static void ext3_xattr_cache_insert(struct buffer_head *);
-static struct buffer_head *ext3_xattr_cache_find(struct inode *,
-						 struct ext3_xattr_header *,
+static void ext4_xattr_cache_insert(struct buffer_head *);
+static struct buffer_head *ext4_xattr_cache_find(struct inode *,
+						 struct ext4_xattr_header *,
 						 struct mb_cache_entry **);
-static void ext3_xattr_rehash(struct ext3_xattr_header *,
-			      struct ext3_xattr_entry *);
+static void ext4_xattr_rehash(struct ext4_xattr_header *,
+			      struct ext4_xattr_entry *);
 
-static struct mb_cache *ext3_xattr_cache;
+static struct mb_cache *ext4_xattr_cache;
 
-static struct xattr_handler *ext3_xattr_handler_map[] = {
-	[EXT3_XATTR_INDEX_USER]		     = &ext3_xattr_user_handler,
-#ifdef CONFIG_EXT3_FS_POSIX_ACL
-	[EXT3_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext3_xattr_acl_access_handler,
-	[EXT3_XATTR_INDEX_POSIX_ACL_DEFAULT] = &ext3_xattr_acl_default_handler,
+static struct xattr_handler *ext4_xattr_handler_map[] = {
+	[EXT4_XATTR_INDEX_USER]		     = &ext4_xattr_user_handler,
+#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+	[EXT4_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext4_xattr_acl_access_handler,
+	[EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT] = &ext4_xattr_acl_default_handler,
 #endif
-	[EXT3_XATTR_INDEX_TRUSTED]	     = &ext3_xattr_trusted_handler,
-#ifdef CONFIG_EXT3_FS_SECURITY
-	[EXT3_XATTR_INDEX_SECURITY]	     = &ext3_xattr_security_handler,
+	[EXT4_XATTR_INDEX_TRUSTED]	     = &ext4_xattr_trusted_handler,
+#ifdef CONFIG_EXT4DEV_FS_SECURITY
+	[EXT4_XATTR_INDEX_SECURITY]	     = &ext4_xattr_security_handler,
 #endif
 };
 
-struct xattr_handler *ext3_xattr_handlers[] = {
-	&ext3_xattr_user_handler,
-	&ext3_xattr_trusted_handler,
-#ifdef CONFIG_EXT3_FS_POSIX_ACL
-	&ext3_xattr_acl_access_handler,
-	&ext3_xattr_acl_default_handler,
+struct xattr_handler *ext4_xattr_handlers[] = {
+	&ext4_xattr_user_handler,
+	&ext4_xattr_trusted_handler,
+#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+	&ext4_xattr_acl_access_handler,
+	&ext4_xattr_acl_default_handler,
 #endif
-#ifdef CONFIG_EXT3_FS_SECURITY
-	&ext3_xattr_security_handler,
+#ifdef CONFIG_EXT4DEV_FS_SECURITY
+	&ext4_xattr_security_handler,
 #endif
 	NULL
 };
 
 static inline struct xattr_handler *
-ext3_xattr_handler(int name_index)
+ext4_xattr_handler(int name_index)
 {
 	struct xattr_handler *handler = NULL;
 
-	if (name_index > 0 && name_index < ARRAY_SIZE(ext3_xattr_handler_map))
-		handler = ext3_xattr_handler_map[name_index];
+	if (name_index > 0 && name_index < ARRAY_SIZE(ext4_xattr_handler_map))
+		handler = ext4_xattr_handler_map[name_index];
 	return handler;
 }
 
@@ -143,16 +143,16 @@
  * dentry->d_inode->i_mutex: don't care
  */
 ssize_t
-ext3_listxattr(struct dentry *dentry, char *buffer, size_t size)
+ext4_listxattr(struct dentry *dentry, char *buffer, size_t size)
 {
-	return ext3_xattr_list(dentry->d_inode, buffer, size);
+	return ext4_xattr_list(dentry->d_inode, buffer, size);
 }
 
 static int
-ext3_xattr_check_names(struct ext3_xattr_entry *entry, void *end)
+ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end)
 {
 	while (!IS_LAST_ENTRY(entry)) {
-		struct ext3_xattr_entry *next = EXT3_XATTR_NEXT(entry);
+		struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(entry);
 		if ((void *)next >= end)
 			return -EIO;
 		entry = next;
@@ -161,19 +161,19 @@
 }
 
 static inline int
-ext3_xattr_check_block(struct buffer_head *bh)
+ext4_xattr_check_block(struct buffer_head *bh)
 {
 	int error;
 
-	if (BHDR(bh)->h_magic != cpu_to_le32(EXT3_XATTR_MAGIC) ||
+	if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
 	    BHDR(bh)->h_blocks != cpu_to_le32(1))
 		return -EIO;
-	error = ext3_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
+	error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
 	return error;
 }
 
 static inline int
-ext3_xattr_check_entry(struct ext3_xattr_entry *entry, size_t size)
+ext4_xattr_check_entry(struct ext4_xattr_entry *entry, size_t size)
 {
 	size_t value_size = le32_to_cpu(entry->e_value_size);
 
@@ -184,10 +184,10 @@
 }
 
 static int
-ext3_xattr_find_entry(struct ext3_xattr_entry **pentry, int name_index,
+ext4_xattr_find_entry(struct ext4_xattr_entry **pentry, int name_index,
 		      const char *name, size_t size, int sorted)
 {
-	struct ext3_xattr_entry *entry;
+	struct ext4_xattr_entry *entry;
 	size_t name_len;
 	int cmp = 1;
 
@@ -195,7 +195,7 @@
 		return -EINVAL;
 	name_len = strlen(name);
 	entry = *pentry;
-	for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) {
+	for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
 		cmp = name_index - entry->e_name_index;
 		if (!cmp)
 			cmp = name_len - entry->e_name_len;
@@ -205,17 +205,17 @@
 			break;
 	}
 	*pentry = entry;
-	if (!cmp && ext3_xattr_check_entry(entry, size))
+	if (!cmp && ext4_xattr_check_entry(entry, size))
 			return -EIO;
 	return cmp ? -ENODATA : 0;
 }
 
 static int
-ext3_xattr_block_get(struct inode *inode, int name_index, const char *name,
+ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
 		     void *buffer, size_t buffer_size)
 {
 	struct buffer_head *bh = NULL;
-	struct ext3_xattr_entry *entry;
+	struct ext4_xattr_entry *entry;
 	size_t size;
 	int error;
 
@@ -223,24 +223,24 @@
 		  name_index, name, buffer, (long)buffer_size);
 
 	error = -ENODATA;
-	if (!EXT3_I(inode)->i_file_acl)
+	if (!EXT4_I(inode)->i_file_acl)
 		goto cleanup;
-	ea_idebug(inode, "reading block %u", EXT3_I(inode)->i_file_acl);
-	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);
+	ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	if (!bh)
 		goto cleanup;
 	ea_bdebug(bh, "b_count=%d, refcount=%d",
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
-	if (ext3_xattr_check_block(bh)) {
-bad_block:	ext3_error(inode->i_sb, __FUNCTION__,
+	if (ext4_xattr_check_block(bh)) {
+bad_block:	ext4_error(inode->i_sb, __FUNCTION__,
 			   "inode %lu: bad block "E3FSBLK, inode->i_ino,
-			   EXT3_I(inode)->i_file_acl);
+			   EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		goto cleanup;
 	}
-	ext3_xattr_cache_insert(bh);
+	ext4_xattr_cache_insert(bh);
 	entry = BFIRST(bh);
-	error = ext3_xattr_find_entry(&entry, name_index, name, bh->b_size, 1);
+	error = ext4_xattr_find_entry(&entry, name_index, name, bh->b_size, 1);
 	if (error == -EIO)
 		goto bad_block;
 	if (error)
@@ -261,30 +261,30 @@
 }
 
 static int
-ext3_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
+ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
 		     void *buffer, size_t buffer_size)
 {
-	struct ext3_xattr_ibody_header *header;
-	struct ext3_xattr_entry *entry;
-	struct ext3_inode *raw_inode;
-	struct ext3_iloc iloc;
+	struct ext4_xattr_ibody_header *header;
+	struct ext4_xattr_entry *entry;
+	struct ext4_inode *raw_inode;
+	struct ext4_iloc iloc;
 	size_t size;
 	void *end;
 	int error;
 
-	if (!(EXT3_I(inode)->i_state & EXT3_STATE_XATTR))
+	if (!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR))
 		return -ENODATA;
-	error = ext3_get_inode_loc(inode, &iloc);
+	error = ext4_get_inode_loc(inode, &iloc);
 	if (error)
 		return error;
-	raw_inode = ext3_raw_inode(&iloc);
+	raw_inode = ext4_raw_inode(&iloc);
 	header = IHDR(inode, raw_inode);
 	entry = IFIRST(header);
-	end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;
-	error = ext3_xattr_check_names(entry, end);
+	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+	error = ext4_xattr_check_names(entry, end);
 	if (error)
 		goto cleanup;
-	error = ext3_xattr_find_entry(&entry, name_index, name,
+	error = ext4_xattr_find_entry(&entry, name_index, name,
 				      end - (void *)entry, 0);
 	if (error)
 		goto cleanup;
@@ -304,7 +304,7 @@
 }
 
 /*
- * ext3_xattr_get()
+ * ext4_xattr_get()
  *
  * Copy an extended attribute into the buffer
  * provided, or compute the buffer size required.
@@ -314,30 +314,30 @@
  * used / required on success.
  */
 int
-ext3_xattr_get(struct inode *inode, int name_index, const char *name,
+ext4_xattr_get(struct inode *inode, int name_index, const char *name,
 	       void *buffer, size_t buffer_size)
 {
 	int error;
 
-	down_read(&EXT3_I(inode)->xattr_sem);
-	error = ext3_xattr_ibody_get(inode, name_index, name, buffer,
+	down_read(&EXT4_I(inode)->xattr_sem);
+	error = ext4_xattr_ibody_get(inode, name_index, name, buffer,
 				     buffer_size);
 	if (error == -ENODATA)
-		error = ext3_xattr_block_get(inode, name_index, name, buffer,
+		error = ext4_xattr_block_get(inode, name_index, name, buffer,
 					     buffer_size);
-	up_read(&EXT3_I(inode)->xattr_sem);
+	up_read(&EXT4_I(inode)->xattr_sem);
 	return error;
 }
 
 static int
-ext3_xattr_list_entries(struct inode *inode, struct ext3_xattr_entry *entry,
+ext4_xattr_list_entries(struct inode *inode, struct ext4_xattr_entry *entry,
 			char *buffer, size_t buffer_size)
 {
 	size_t rest = buffer_size;
 
-	for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) {
+	for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
 		struct xattr_handler *handler =
-			ext3_xattr_handler(entry->e_name_index);
+			ext4_xattr_handler(entry->e_name_index);
 
 		if (handler) {
 			size_t size = handler->list(inode, buffer, rest,
@@ -355,7 +355,7 @@
 }
 
 static int
-ext3_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size)
+ext4_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size)
 {
 	struct buffer_head *bh = NULL;
 	int error;
@@ -364,24 +364,24 @@
 		  buffer, (long)buffer_size);
 
 	error = 0;
-	if (!EXT3_I(inode)->i_file_acl)
+	if (!EXT4_I(inode)->i_file_acl)
 		goto cleanup;
-	ea_idebug(inode, "reading block %u", EXT3_I(inode)->i_file_acl);
-	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);
+	ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	error = -EIO;
 	if (!bh)
 		goto cleanup;
 	ea_bdebug(bh, "b_count=%d, refcount=%d",
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
-	if (ext3_xattr_check_block(bh)) {
-		ext3_error(inode->i_sb, __FUNCTION__,
+	if (ext4_xattr_check_block(bh)) {
+		ext4_error(inode->i_sb, __FUNCTION__,
 			   "inode %lu: bad block "E3FSBLK, inode->i_ino,
-			   EXT3_I(inode)->i_file_acl);
+			   EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		goto cleanup;
 	}
-	ext3_xattr_cache_insert(bh);
-	error = ext3_xattr_list_entries(inode, BFIRST(bh), buffer, buffer_size);
+	ext4_xattr_cache_insert(bh);
+	error = ext4_xattr_list_entries(inode, BFIRST(bh), buffer, buffer_size);
 
 cleanup:
 	brelse(bh);
@@ -390,26 +390,26 @@
 }
 
 static int
-ext3_xattr_ibody_list(struct inode *inode, char *buffer, size_t buffer_size)
+ext4_xattr_ibody_list(struct inode *inode, char *buffer, size_t buffer_size)
 {
-	struct ext3_xattr_ibody_header *header;
-	struct ext3_inode *raw_inode;
-	struct ext3_iloc iloc;
+	struct ext4_xattr_ibody_header *header;
+	struct ext4_inode *raw_inode;
+	struct ext4_iloc iloc;
 	void *end;
 	int error;
 
-	if (!(EXT3_I(inode)->i_state & EXT3_STATE_XATTR))
+	if (!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR))
 		return 0;
-	error = ext3_get_inode_loc(inode, &iloc);
+	error = ext4_get_inode_loc(inode, &iloc);
 	if (error)
 		return error;
-	raw_inode = ext3_raw_inode(&iloc);
+	raw_inode = ext4_raw_inode(&iloc);
 	header = IHDR(inode, raw_inode);
-	end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;
-	error = ext3_xattr_check_names(IFIRST(header), end);
+	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+	error = ext4_xattr_check_names(IFIRST(header), end);
 	if (error)
 		goto cleanup;
-	error = ext3_xattr_list_entries(inode, IFIRST(header),
+	error = ext4_xattr_list_entries(inode, IFIRST(header),
 					buffer, buffer_size);
 
 cleanup:
@@ -418,7 +418,7 @@
 }
 
 /*
- * ext3_xattr_list()
+ * ext4_xattr_list()
  *
  * Copy a list of attribute names into the buffer
  * provided, or compute the buffer size required.
@@ -428,12 +428,12 @@
  * used / required on success.
  */
 int
-ext3_xattr_list(struct inode *inode, char *buffer, size_t buffer_size)
+ext4_xattr_list(struct inode *inode, char *buffer, size_t buffer_size)
 {
 	int i_error, b_error;
 
-	down_read(&EXT3_I(inode)->xattr_sem);
-	i_error = ext3_xattr_ibody_list(inode, buffer, buffer_size);
+	down_read(&EXT4_I(inode)->xattr_sem);
+	i_error = ext4_xattr_ibody_list(inode, buffer, buffer_size);
 	if (i_error < 0) {
 		b_error = 0;
 	} else {
@@ -441,30 +441,30 @@
 			buffer += i_error;
 			buffer_size -= i_error;
 		}
-		b_error = ext3_xattr_block_list(inode, buffer, buffer_size);
+		b_error = ext4_xattr_block_list(inode, buffer, buffer_size);
 		if (b_error < 0)
 			i_error = 0;
 	}
-	up_read(&EXT3_I(inode)->xattr_sem);
+	up_read(&EXT4_I(inode)->xattr_sem);
 	return i_error + b_error;
 }
 
 /*
- * If the EXT3_FEATURE_COMPAT_EXT_ATTR feature of this file system is
+ * If the EXT4_FEATURE_COMPAT_EXT_ATTR feature of this file system is
  * not set, set it.
  */
-static void ext3_xattr_update_super_block(handle_t *handle,
+static void ext4_xattr_update_super_block(handle_t *handle,
 					  struct super_block *sb)
 {
-	if (EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_EXT_ATTR))
+	if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR))
 		return;
 
 	lock_super(sb);
-	if (ext3_journal_get_write_access(handle, EXT3_SB(sb)->s_sbh) == 0) {
-		EXT3_SB(sb)->s_es->s_feature_compat |=
-			cpu_to_le32(EXT3_FEATURE_COMPAT_EXT_ATTR);
+	if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) {
+		EXT4_SB(sb)->s_es->s_feature_compat |=
+			cpu_to_le32(EXT4_FEATURE_COMPAT_EXT_ATTR);
 		sb->s_dirt = 1;
-		ext3_journal_dirty_metadata(handle, EXT3_SB(sb)->s_sbh);
+		ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh);
 	}
 	unlock_super(sb);
 }
@@ -474,25 +474,25 @@
  * it; otherwise free the block.
  */
 static void
-ext3_xattr_release_block(handle_t *handle, struct inode *inode,
+ext4_xattr_release_block(handle_t *handle, struct inode *inode,
 			 struct buffer_head *bh)
 {
 	struct mb_cache_entry *ce = NULL;
 
-	ce = mb_cache_entry_get(ext3_xattr_cache, bh->b_bdev, bh->b_blocknr);
+	ce = mb_cache_entry_get(ext4_xattr_cache, bh->b_bdev, bh->b_blocknr);
 	if (BHDR(bh)->h_refcount == cpu_to_le32(1)) {
 		ea_bdebug(bh, "refcount now=0; freeing");
 		if (ce)
 			mb_cache_entry_free(ce);
-		ext3_free_blocks(handle, inode, bh->b_blocknr, 1);
+		ext4_free_blocks(handle, inode, bh->b_blocknr, 1);
 		get_bh(bh);
-		ext3_forget(handle, 1, inode, bh, bh->b_blocknr);
+		ext4_forget(handle, 1, inode, bh, bh->b_blocknr);
 	} else {
-		if (ext3_journal_get_write_access(handle, bh) == 0) {
+		if (ext4_journal_get_write_access(handle, bh) == 0) {
 			lock_buffer(bh);
 			BHDR(bh)->h_refcount = cpu_to_le32(
 				le32_to_cpu(BHDR(bh)->h_refcount) - 1);
-			ext3_journal_dirty_metadata(handle, bh);
+			ext4_journal_dirty_metadata(handle, bh);
 			if (IS_SYNC(inode))
 				handle->h_sync = 1;
 			DQUOT_FREE_BLOCK(inode, 1);
@@ -505,30 +505,30 @@
 	}
 }
 
-struct ext3_xattr_info {
+struct ext4_xattr_info {
 	int name_index;
 	const char *name;
 	const void *value;
 	size_t value_len;
 };
 
-struct ext3_xattr_search {
-	struct ext3_xattr_entry *first;
+struct ext4_xattr_search {
+	struct ext4_xattr_entry *first;
 	void *base;
 	void *end;
-	struct ext3_xattr_entry *here;
+	struct ext4_xattr_entry *here;
 	int not_found;
 };
 
 static int
-ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s)
+ext4_xattr_set_entry(struct ext4_xattr_info *i, struct ext4_xattr_search *s)
 {
-	struct ext3_xattr_entry *last;
+	struct ext4_xattr_entry *last;
 	size_t free, min_offs = s->end - s->base, name_len = strlen(i->name);
 
 	/* Compute min_offs and last. */
 	last = s->first;
-	for (; !IS_LAST_ENTRY(last); last = EXT3_XATTR_NEXT(last)) {
+	for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) {
 		if (!last->e_value_block && last->e_value_size) {
 			size_t offs = le16_to_cpu(last->e_value_offs);
 			if (offs < min_offs)
@@ -539,20 +539,20 @@
 	if (!s->not_found) {
 		if (!s->here->e_value_block && s->here->e_value_size) {
 			size_t size = le32_to_cpu(s->here->e_value_size);
-			free += EXT3_XATTR_SIZE(size);
+			free += EXT4_XATTR_SIZE(size);
 		}
-		free += EXT3_XATTR_LEN(name_len);
+		free += EXT4_XATTR_LEN(name_len);
 	}
 	if (i->value) {
-		if (free < EXT3_XATTR_SIZE(i->value_len) ||
-		    free < EXT3_XATTR_LEN(name_len) +
-			   EXT3_XATTR_SIZE(i->value_len))
+		if (free < EXT4_XATTR_SIZE(i->value_len) ||
+		    free < EXT4_XATTR_LEN(name_len) +
+			   EXT4_XATTR_SIZE(i->value_len))
 			return -ENOSPC;
 	}
 
 	if (i->value && s->not_found) {
 		/* Insert the new name. */
-		size_t size = EXT3_XATTR_LEN(name_len);
+		size_t size = EXT4_XATTR_LEN(name_len);
 		size_t rest = (void *)last - (void *)s->here + sizeof(__u32);
 		memmove((void *)s->here + size, s->here, rest);
 		memset(s->here, 0, size);
@@ -564,16 +564,16 @@
 			void *first_val = s->base + min_offs;
 			size_t offs = le16_to_cpu(s->here->e_value_offs);
 			void *val = s->base + offs;
-			size_t size = EXT3_XATTR_SIZE(
+			size_t size = EXT4_XATTR_SIZE(
 				le32_to_cpu(s->here->e_value_size));
 
-			if (i->value && size == EXT3_XATTR_SIZE(i->value_len)) {
+			if (i->value && size == EXT4_XATTR_SIZE(i->value_len)) {
 				/* The old and the new value have the same
 				   size. Just replace. */
 				s->here->e_value_size =
 					cpu_to_le32(i->value_len);
-				memset(val + size - EXT3_XATTR_PAD, 0,
-				       EXT3_XATTR_PAD); /* Clear pad bytes. */
+				memset(val + size - EXT4_XATTR_PAD, 0,
+				       EXT4_XATTR_PAD); /* Clear pad bytes. */
 				memcpy(val, i->value, i->value_len);
 				return 0;
 			}
@@ -593,12 +593,12 @@
 				    last->e_value_size && o < offs)
 					last->e_value_offs =
 						cpu_to_le16(o + size);
-				last = EXT3_XATTR_NEXT(last);
+				last = EXT4_XATTR_NEXT(last);
 			}
 		}
 		if (!i->value) {
 			/* Remove the old name. */
-			size_t size = EXT3_XATTR_LEN(name_len);
+			size_t size = EXT4_XATTR_LEN(name_len);
 			last = ENTRY((void *)last - size);
 			memmove(s->here, (void *)s->here + size,
 				(void *)last - (void *)s->here + sizeof(__u32));
@@ -610,25 +610,25 @@
 		/* Insert the new value. */
 		s->here->e_value_size = cpu_to_le32(i->value_len);
 		if (i->value_len) {
-			size_t size = EXT3_XATTR_SIZE(i->value_len);
+			size_t size = EXT4_XATTR_SIZE(i->value_len);
 			void *val = s->base + min_offs - size;
 			s->here->e_value_offs = cpu_to_le16(min_offs - size);
-			memset(val + size - EXT3_XATTR_PAD, 0,
-			       EXT3_XATTR_PAD); /* Clear the pad bytes. */
+			memset(val + size - EXT4_XATTR_PAD, 0,
+			       EXT4_XATTR_PAD); /* Clear the pad bytes. */
 			memcpy(val, i->value, i->value_len);
 		}
 	}
 	return 0;
 }
 
-struct ext3_xattr_block_find {
-	struct ext3_xattr_search s;
+struct ext4_xattr_block_find {
+	struct ext4_xattr_search s;
 	struct buffer_head *bh;
 };
 
 static int
-ext3_xattr_block_find(struct inode *inode, struct ext3_xattr_info *i,
-		      struct ext3_xattr_block_find *bs)
+ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
+		      struct ext4_xattr_block_find *bs)
 {
 	struct super_block *sb = inode->i_sb;
 	int error;
@@ -636,19 +636,19 @@
 	ea_idebug(inode, "name=%d.%s, value=%p, value_len=%ld",
 		  i->name_index, i->name, i->value, (long)i->value_len);
 
-	if (EXT3_I(inode)->i_file_acl) {
+	if (EXT4_I(inode)->i_file_acl) {
 		/* The inode already has an extended attribute block. */
-		bs->bh = sb_bread(sb, EXT3_I(inode)->i_file_acl);
+		bs->bh = sb_bread(sb, EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		if (!bs->bh)
 			goto cleanup;
 		ea_bdebug(bs->bh, "b_count=%d, refcount=%d",
 			atomic_read(&(bs->bh->b_count)),
 			le32_to_cpu(BHDR(bs->bh)->h_refcount));
-		if (ext3_xattr_check_block(bs->bh)) {
-			ext3_error(sb, __FUNCTION__,
+		if (ext4_xattr_check_block(bs->bh)) {
+			ext4_error(sb, __FUNCTION__,
 				"inode %lu: bad block "E3FSBLK, inode->i_ino,
-				EXT3_I(inode)->i_file_acl);
+				EXT4_I(inode)->i_file_acl);
 			error = -EIO;
 			goto cleanup;
 		}
@@ -657,7 +657,7 @@
 		bs->s.first = BFIRST(bs->bh);
 		bs->s.end = bs->bh->b_data + bs->bh->b_size;
 		bs->s.here = bs->s.first;
-		error = ext3_xattr_find_entry(&bs->s.here, i->name_index,
+		error = ext4_xattr_find_entry(&bs->s.here, i->name_index,
 					      i->name, bs->bh->b_size, 1);
 		if (error && error != -ENODATA)
 			goto cleanup;
@@ -670,22 +670,22 @@
 }
 
 static int
-ext3_xattr_block_set(handle_t *handle, struct inode *inode,
-		     struct ext3_xattr_info *i,
-		     struct ext3_xattr_block_find *bs)
+ext4_xattr_block_set(handle_t *handle, struct inode *inode,
+		     struct ext4_xattr_info *i,
+		     struct ext4_xattr_block_find *bs)
 {
 	struct super_block *sb = inode->i_sb;
 	struct buffer_head *new_bh = NULL;
-	struct ext3_xattr_search *s = &bs->s;
+	struct ext4_xattr_search *s = &bs->s;
 	struct mb_cache_entry *ce = NULL;
 	int error;
 
-#define header(x) ((struct ext3_xattr_header *)(x))
+#define header(x) ((struct ext4_xattr_header *)(x))
 
 	if (i->value && i->value_len > sb->s_blocksize)
 		return -ENOSPC;
 	if (s->base) {
-		ce = mb_cache_entry_get(ext3_xattr_cache, bs->bh->b_bdev,
+		ce = mb_cache_entry_get(ext4_xattr_cache, bs->bh->b_bdev,
 					bs->bh->b_blocknr);
 		if (header(s->base)->h_refcount == cpu_to_le32(1)) {
 			if (ce) {
@@ -693,22 +693,22 @@
 				ce = NULL;
 			}
 			ea_bdebug(bs->bh, "modifying in-place");
-			error = ext3_journal_get_write_access(handle, bs->bh);
+			error = ext4_journal_get_write_access(handle, bs->bh);
 			if (error)
 				goto cleanup;
 			lock_buffer(bs->bh);
-			error = ext3_xattr_set_entry(i, s);
+			error = ext4_xattr_set_entry(i, s);
 			if (!error) {
 				if (!IS_LAST_ENTRY(s->first))
-					ext3_xattr_rehash(header(s->base),
+					ext4_xattr_rehash(header(s->base),
 							  s->here);
-				ext3_xattr_cache_insert(bs->bh);
+				ext4_xattr_cache_insert(bs->bh);
 			}
 			unlock_buffer(bs->bh);
 			if (error == -EIO)
 				goto bad_block;
 			if (!error)
-				error = ext3_journal_dirty_metadata(handle,
+				error = ext4_journal_dirty_metadata(handle,
 								    bs->bh);
 			if (error)
 				goto cleanup;
@@ -739,7 +739,7 @@
 		if (s->base == NULL)
 			goto cleanup;
 		memset(s->base, 0, sb->s_blocksize);
-		header(s->base)->h_magic = cpu_to_le32(EXT3_XATTR_MAGIC);
+		header(s->base)->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
 		header(s->base)->h_blocks = cpu_to_le32(1);
 		header(s->base)->h_refcount = cpu_to_le32(1);
 		s->first = ENTRY(header(s->base)+1);
@@ -747,17 +747,17 @@
 		s->end = s->base + sb->s_blocksize;
 	}
 
-	error = ext3_xattr_set_entry(i, s);
+	error = ext4_xattr_set_entry(i, s);
 	if (error == -EIO)
 		goto bad_block;
 	if (error)
 		goto cleanup;
 	if (!IS_LAST_ENTRY(s->first))
-		ext3_xattr_rehash(header(s->base), s->here);
+		ext4_xattr_rehash(header(s->base), s->here);
 
 inserted:
 	if (!IS_LAST_ENTRY(s->first)) {
-		new_bh = ext3_xattr_cache_find(inode, header(s->base), &ce);
+		new_bh = ext4_xattr_cache_find(inode, header(s->base), &ce);
 		if (new_bh) {
 			/* We found an identical block in the cache. */
 			if (new_bh == bs->bh)
@@ -768,7 +768,7 @@
 				error = -EDQUOT;
 				if (DQUOT_ALLOC_BLOCK(inode, 1))
 					goto cleanup;
-				error = ext3_journal_get_write_access(handle,
+				error = ext4_journal_get_write_access(handle,
 								      new_bh);
 				if (error)
 					goto cleanup_dquot;
@@ -778,7 +778,7 @@
 				ea_bdebug(new_bh, "reusing; refcount now=%d",
 					le32_to_cpu(BHDR(new_bh)->h_refcount));
 				unlock_buffer(new_bh);
-				error = ext3_journal_dirty_metadata(handle,
+				error = ext4_journal_dirty_metadata(handle,
 								    new_bh);
 				if (error)
 					goto cleanup_dquot;
@@ -792,11 +792,11 @@
 			get_bh(new_bh);
 		} else {
 			/* We need to allocate a new block */
-			ext3_fsblk_t goal = le32_to_cpu(
-					EXT3_SB(sb)->s_es->s_first_data_block) +
-				(ext3_fsblk_t)EXT3_I(inode)->i_block_group *
-				EXT3_BLOCKS_PER_GROUP(sb);
-			ext3_fsblk_t block = ext3_new_block(handle, inode,
+			ext4_fsblk_t goal = le32_to_cpu(
+					EXT4_SB(sb)->s_es->s_first_data_block) +
+				(ext4_fsblk_t)EXT4_I(inode)->i_block_group *
+				EXT4_BLOCKS_PER_GROUP(sb);
+			ext4_fsblk_t block = ext4_new_block(handle, inode,
 							goal, &error);
 			if (error)
 				goto cleanup;
@@ -805,12 +805,12 @@
 			new_bh = sb_getblk(sb, block);
 			if (!new_bh) {
 getblk_failed:
-				ext3_free_blocks(handle, inode, block, 1);
+				ext4_free_blocks(handle, inode, block, 1);
 				error = -EIO;
 				goto cleanup;
 			}
 			lock_buffer(new_bh);
-			error = ext3_journal_get_create_access(handle, new_bh);
+			error = ext4_journal_get_create_access(handle, new_bh);
 			if (error) {
 				unlock_buffer(new_bh);
 				goto getblk_failed;
@@ -818,19 +818,19 @@
 			memcpy(new_bh->b_data, s->base, new_bh->b_size);
 			set_buffer_uptodate(new_bh);
 			unlock_buffer(new_bh);
-			ext3_xattr_cache_insert(new_bh);
-			error = ext3_journal_dirty_metadata(handle, new_bh);
+			ext4_xattr_cache_insert(new_bh);
+			error = ext4_journal_dirty_metadata(handle, new_bh);
 			if (error)
 				goto cleanup;
 		}
 	}
 
 	/* Update the inode. */
-	EXT3_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0;
+	EXT4_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0;
 
 	/* Drop the previous xattr block. */
 	if (bs->bh && bs->bh != new_bh)
-		ext3_xattr_release_block(handle, inode, bs->bh);
+		ext4_xattr_release_block(handle, inode, bs->bh);
 	error = 0;
 
 cleanup:
@@ -847,40 +847,40 @@
 	goto cleanup;
 
 bad_block:
-	ext3_error(inode->i_sb, __FUNCTION__,
+	ext4_error(inode->i_sb, __FUNCTION__,
 		   "inode %lu: bad block "E3FSBLK, inode->i_ino,
-		   EXT3_I(inode)->i_file_acl);
+		   EXT4_I(inode)->i_file_acl);
 	goto cleanup;
 
 #undef header
 }
 
-struct ext3_xattr_ibody_find {
-	struct ext3_xattr_search s;
-	struct ext3_iloc iloc;
+struct ext4_xattr_ibody_find {
+	struct ext4_xattr_search s;
+	struct ext4_iloc iloc;
 };
 
 static int
-ext3_xattr_ibody_find(struct inode *inode, struct ext3_xattr_info *i,
-		      struct ext3_xattr_ibody_find *is)
+ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
+		      struct ext4_xattr_ibody_find *is)
 {
-	struct ext3_xattr_ibody_header *header;
-	struct ext3_inode *raw_inode;
+	struct ext4_xattr_ibody_header *header;
+	struct ext4_inode *raw_inode;
 	int error;
 
-	if (EXT3_I(inode)->i_extra_isize == 0)
+	if (EXT4_I(inode)->i_extra_isize == 0)
 		return 0;
-	raw_inode = ext3_raw_inode(&is->iloc);
+	raw_inode = ext4_raw_inode(&is->iloc);
 	header = IHDR(inode, raw_inode);
 	is->s.base = is->s.first = IFIRST(header);
 	is->s.here = is->s.first;
-	is->s.end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;
-	if (EXT3_I(inode)->i_state & EXT3_STATE_XATTR) {
-		error = ext3_xattr_check_names(IFIRST(header), is->s.end);
+	is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+	if (EXT4_I(inode)->i_state & EXT4_STATE_XATTR) {
+		error = ext4_xattr_check_names(IFIRST(header), is->s.end);
 		if (error)
 			return error;
 		/* Find the named attribute. */
-		error = ext3_xattr_find_entry(&is->s.here, i->name_index,
+		error = ext4_xattr_find_entry(&is->s.here, i->name_index,
 					      i->name, is->s.end -
 					      (void *)is->s.base, 0);
 		if (error && error != -ENODATA)
@@ -891,32 +891,32 @@
 }
 
 static int
-ext3_xattr_ibody_set(handle_t *handle, struct inode *inode,
-		     struct ext3_xattr_info *i,
-		     struct ext3_xattr_ibody_find *is)
+ext4_xattr_ibody_set(handle_t *handle, struct inode *inode,
+		     struct ext4_xattr_info *i,
+		     struct ext4_xattr_ibody_find *is)
 {
-	struct ext3_xattr_ibody_header *header;
-	struct ext3_xattr_search *s = &is->s;
+	struct ext4_xattr_ibody_header *header;
+	struct ext4_xattr_search *s = &is->s;
 	int error;
 
-	if (EXT3_I(inode)->i_extra_isize == 0)
+	if (EXT4_I(inode)->i_extra_isize == 0)
 		return -ENOSPC;
-	error = ext3_xattr_set_entry(i, s);
+	error = ext4_xattr_set_entry(i, s);
 	if (error)
 		return error;
-	header = IHDR(inode, ext3_raw_inode(&is->iloc));
+	header = IHDR(inode, ext4_raw_inode(&is->iloc));
 	if (!IS_LAST_ENTRY(s->first)) {
-		header->h_magic = cpu_to_le32(EXT3_XATTR_MAGIC);
-		EXT3_I(inode)->i_state |= EXT3_STATE_XATTR;
+		header->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
+		EXT4_I(inode)->i_state |= EXT4_STATE_XATTR;
 	} else {
 		header->h_magic = cpu_to_le32(0);
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_XATTR;
+		EXT4_I(inode)->i_state &= ~EXT4_STATE_XATTR;
 	}
 	return 0;
 }
 
 /*
- * ext3_xattr_set_handle()
+ * ext4_xattr_set_handle()
  *
  * Create, replace or remove an extended attribute for this inode. Buffer
  * is NULL to remove an existing extended attribute, and non-NULL to
@@ -928,21 +928,21 @@
  * Returns 0, or a negative error number on failure.
  */
 int
-ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
+ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 		      const char *name, const void *value, size_t value_len,
 		      int flags)
 {
-	struct ext3_xattr_info i = {
+	struct ext4_xattr_info i = {
 		.name_index = name_index,
 		.name = name,
 		.value = value,
 		.value_len = value_len,
 
 	};
-	struct ext3_xattr_ibody_find is = {
+	struct ext4_xattr_ibody_find is = {
 		.s = { .not_found = -ENODATA, },
 	};
-	struct ext3_xattr_block_find bs = {
+	struct ext4_xattr_block_find bs = {
 		.s = { .not_found = -ENODATA, },
 	};
 	int error;
@@ -951,22 +951,22 @@
 		return -EINVAL;
 	if (strlen(name) > 255)
 		return -ERANGE;
-	down_write(&EXT3_I(inode)->xattr_sem);
-	error = ext3_get_inode_loc(inode, &is.iloc);
+	down_write(&EXT4_I(inode)->xattr_sem);
+	error = ext4_get_inode_loc(inode, &is.iloc);
 	if (error)
 		goto cleanup;
 
-	if (EXT3_I(inode)->i_state & EXT3_STATE_NEW) {
-		struct ext3_inode *raw_inode = ext3_raw_inode(&is.iloc);
-		memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_NEW;
+	if (EXT4_I(inode)->i_state & EXT4_STATE_NEW) {
+		struct ext4_inode *raw_inode = ext4_raw_inode(&is.iloc);
+		memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
+		EXT4_I(inode)->i_state &= ~EXT4_STATE_NEW;
 	}
 
-	error = ext3_xattr_ibody_find(inode, &i, &is);
+	error = ext4_xattr_ibody_find(inode, &i, &is);
 	if (error)
 		goto cleanup;
 	if (is.s.not_found)
-		error = ext3_xattr_block_find(inode, &i, &bs);
+		error = ext4_xattr_block_find(inode, &i, &bs);
 	if (error)
 		goto cleanup;
 	if (is.s.not_found && bs.s.not_found) {
@@ -981,36 +981,36 @@
 		if (flags & XATTR_CREATE)
 			goto cleanup;
 	}
-	error = ext3_journal_get_write_access(handle, is.iloc.bh);
+	error = ext4_journal_get_write_access(handle, is.iloc.bh);
 	if (error)
 		goto cleanup;
 	if (!value) {
 		if (!is.s.not_found)
-			error = ext3_xattr_ibody_set(handle, inode, &i, &is);
+			error = ext4_xattr_ibody_set(handle, inode, &i, &is);
 		else if (!bs.s.not_found)
-			error = ext3_xattr_block_set(handle, inode, &i, &bs);
+			error = ext4_xattr_block_set(handle, inode, &i, &bs);
 	} else {
-		error = ext3_xattr_ibody_set(handle, inode, &i, &is);
+		error = ext4_xattr_ibody_set(handle, inode, &i, &is);
 		if (!error && !bs.s.not_found) {
 			i.value = NULL;
-			error = ext3_xattr_block_set(handle, inode, &i, &bs);
+			error = ext4_xattr_block_set(handle, inode, &i, &bs);
 		} else if (error == -ENOSPC) {
-			error = ext3_xattr_block_set(handle, inode, &i, &bs);
+			error = ext4_xattr_block_set(handle, inode, &i, &bs);
 			if (error)
 				goto cleanup;
 			if (!is.s.not_found) {
 				i.value = NULL;
-				error = ext3_xattr_ibody_set(handle, inode, &i,
+				error = ext4_xattr_ibody_set(handle, inode, &i,
 							     &is);
 			}
 		}
 	}
 	if (!error) {
-		ext3_xattr_update_super_block(handle, inode->i_sb);
+		ext4_xattr_update_super_block(handle, inode->i_sb);
 		inode->i_ctime = CURRENT_TIME_SEC;
-		error = ext3_mark_iloc_dirty(handle, inode, &is.iloc);
+		error = ext4_mark_iloc_dirty(handle, inode, &is.iloc);
 		/*
-		 * The bh is consumed by ext3_mark_iloc_dirty, even with
+		 * The bh is consumed by ext4_mark_iloc_dirty, even with
 		 * error != 0.
 		 */
 		is.iloc.bh = NULL;
@@ -1021,37 +1021,37 @@
 cleanup:
 	brelse(is.iloc.bh);
 	brelse(bs.bh);
-	up_write(&EXT3_I(inode)->xattr_sem);
+	up_write(&EXT4_I(inode)->xattr_sem);
 	return error;
 }
 
 /*
- * ext3_xattr_set()
+ * ext4_xattr_set()
  *
- * Like ext3_xattr_set_handle, but start from an inode. This extended
+ * Like ext4_xattr_set_handle, but start from an inode. This extended
  * attribute modification is a filesystem transaction by itself.
  *
  * Returns 0, or a negative error number on failure.
  */
 int
-ext3_xattr_set(struct inode *inode, int name_index, const char *name,
+ext4_xattr_set(struct inode *inode, int name_index, const char *name,
 	       const void *value, size_t value_len, int flags)
 {
 	handle_t *handle;
 	int error, retries = 0;
 
 retry:
-	handle = ext3_journal_start(inode, EXT3_DATA_TRANS_BLOCKS(inode->i_sb));
+	handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
 	if (IS_ERR(handle)) {
 		error = PTR_ERR(handle);
 	} else {
 		int error2;
 
-		error = ext3_xattr_set_handle(handle, inode, name_index, name,
+		error = ext4_xattr_set_handle(handle, inode, name_index, name,
 					      value, value_len, flags);
-		error2 = ext3_journal_stop(handle);
+		error2 = ext4_journal_stop(handle);
 		if (error == -ENOSPC &&
-		    ext3_should_retry_alloc(inode->i_sb, &retries))
+		    ext4_should_retry_alloc(inode->i_sb, &retries))
 			goto retry;
 		if (error == 0)
 			error = error2;
@@ -1061,53 +1061,53 @@
 }
 
 /*
- * ext3_xattr_delete_inode()
+ * ext4_xattr_delete_inode()
  *
  * Free extended attribute resources associated with this inode. This
  * is called immediately before an inode is freed. We have exclusive
  * access to the inode.
  */
 void
-ext3_xattr_delete_inode(handle_t *handle, struct inode *inode)
+ext4_xattr_delete_inode(handle_t *handle, struct inode *inode)
 {
 	struct buffer_head *bh = NULL;
 
-	if (!EXT3_I(inode)->i_file_acl)
+	if (!EXT4_I(inode)->i_file_acl)
 		goto cleanup;
-	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);
+	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	if (!bh) {
-		ext3_error(inode->i_sb, __FUNCTION__,
+		ext4_error(inode->i_sb, __FUNCTION__,
 			"inode %lu: block "E3FSBLK" read error", inode->i_ino,
-			EXT3_I(inode)->i_file_acl);
+			EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
-	if (BHDR(bh)->h_magic != cpu_to_le32(EXT3_XATTR_MAGIC) ||
+	if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
 	    BHDR(bh)->h_blocks != cpu_to_le32(1)) {
-		ext3_error(inode->i_sb, __FUNCTION__,
+		ext4_error(inode->i_sb, __FUNCTION__,
 			"inode %lu: bad block "E3FSBLK, inode->i_ino,
-			EXT3_I(inode)->i_file_acl);
+			EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
-	ext3_xattr_release_block(handle, inode, bh);
-	EXT3_I(inode)->i_file_acl = 0;
+	ext4_xattr_release_block(handle, inode, bh);
+	EXT4_I(inode)->i_file_acl = 0;
 
 cleanup:
 	brelse(bh);
 }
 
 /*
- * ext3_xattr_put_super()
+ * ext4_xattr_put_super()
  *
  * This is called when a file system is unmounted.
  */
 void
-ext3_xattr_put_super(struct super_block *sb)
+ext4_xattr_put_super(struct super_block *sb)
 {
 	mb_cache_shrink(sb->s_bdev);
 }
 
 /*
- * ext3_xattr_cache_insert()
+ * ext4_xattr_cache_insert()
  *
  * Create a new entry in the extended attribute cache, and insert
  * it unless such an entry is already in the cache.
@@ -1115,13 +1115,13 @@
  * Returns 0, or a negative error number on failure.
  */
 static void
-ext3_xattr_cache_insert(struct buffer_head *bh)
+ext4_xattr_cache_insert(struct buffer_head *bh)
 {
 	__u32 hash = le32_to_cpu(BHDR(bh)->h_hash);
 	struct mb_cache_entry *ce;
 	int error;
 
-	ce = mb_cache_entry_alloc(ext3_xattr_cache);
+	ce = mb_cache_entry_alloc(ext4_xattr_cache);
 	if (!ce) {
 		ea_bdebug(bh, "out of memory");
 		return;
@@ -1140,7 +1140,7 @@
 }
 
 /*
- * ext3_xattr_cmp()
+ * ext4_xattr_cmp()
  *
  * Compare two extended attribute blocks for equality.
  *
@@ -1148,10 +1148,10 @@
  * a negative error number on errors.
  */
 static int
-ext3_xattr_cmp(struct ext3_xattr_header *header1,
-	       struct ext3_xattr_header *header2)
+ext4_xattr_cmp(struct ext4_xattr_header *header1,
+	       struct ext4_xattr_header *header2)
 {
-	struct ext3_xattr_entry *entry1, *entry2;
+	struct ext4_xattr_entry *entry1, *entry2;
 
 	entry1 = ENTRY(header1+1);
 	entry2 = ENTRY(header2+1);
@@ -1171,8 +1171,8 @@
 			   le32_to_cpu(entry1->e_value_size)))
 			return 1;
 
-		entry1 = EXT3_XATTR_NEXT(entry1);
-		entry2 = EXT3_XATTR_NEXT(entry2);
+		entry1 = EXT4_XATTR_NEXT(entry1);
+		entry2 = EXT4_XATTR_NEXT(entry2);
 	}
 	if (!IS_LAST_ENTRY(entry2))
 		return 1;
@@ -1180,7 +1180,7 @@
 }
 
 /*
- * ext3_xattr_cache_find()
+ * ext4_xattr_cache_find()
  *
  * Find an identical extended attribute block.
  *
@@ -1188,7 +1188,7 @@
  * not found or an error occurred.
  */
 static struct buffer_head *
-ext3_xattr_cache_find(struct inode *inode, struct ext3_xattr_header *header,
+ext4_xattr_cache_find(struct inode *inode, struct ext4_xattr_header *header,
 		      struct mb_cache_entry **pce)
 {
 	__u32 hash = le32_to_cpu(header->h_hash);
@@ -1198,7 +1198,7 @@
 		return NULL;  /* never share */
 	ea_idebug(inode, "looking for cached blocks [%x]", (int)hash);
 again:
-	ce = mb_cache_entry_find_first(ext3_xattr_cache, 0,
+	ce = mb_cache_entry_find_first(ext4_xattr_cache, 0,
 				       inode->i_sb->s_bdev, hash);
 	while (ce) {
 		struct buffer_head *bh;
@@ -1210,16 +1210,16 @@
 		}
 		bh = sb_bread(inode->i_sb, ce->e_block);
 		if (!bh) {
-			ext3_error(inode->i_sb, __FUNCTION__,
+			ext4_error(inode->i_sb, __FUNCTION__,
 				"inode %lu: block %lu read error",
 				inode->i_ino, (unsigned long) ce->e_block);
 		} else if (le32_to_cpu(BHDR(bh)->h_refcount) >=
-				EXT3_XATTR_REFCOUNT_MAX) {
+				EXT4_XATTR_REFCOUNT_MAX) {
 			ea_idebug(inode, "block %lu refcount %d>=%d",
 				  (unsigned long) ce->e_block,
 				  le32_to_cpu(BHDR(bh)->h_refcount),
-					  EXT3_XATTR_REFCOUNT_MAX);
-		} else if (ext3_xattr_cmp(header, BHDR(bh)) == 0) {
+					  EXT4_XATTR_REFCOUNT_MAX);
+		} else if (ext4_xattr_cmp(header, BHDR(bh)) == 0) {
 			*pce = ce;
 			return bh;
 		}
@@ -1233,12 +1233,12 @@
 #define VALUE_HASH_SHIFT 16
 
 /*
- * ext3_xattr_hash_entry()
+ * ext4_xattr_hash_entry()
  *
  * Compute the hash of an extended attribute.
  */
-static inline void ext3_xattr_hash_entry(struct ext3_xattr_header *header,
-					 struct ext3_xattr_entry *entry)
+static inline void ext4_xattr_hash_entry(struct ext4_xattr_header *header,
+					 struct ext4_xattr_entry *entry)
 {
 	__u32 hash = 0;
 	char *name = entry->e_name;
@@ -1254,7 +1254,7 @@
 		__le32 *value = (__le32 *)((char *)header +
 			le16_to_cpu(entry->e_value_offs));
 		for (n = (le32_to_cpu(entry->e_value_size) +
-		     EXT3_XATTR_ROUND) >> EXT3_XATTR_PAD_BITS; n; n--) {
+		     EXT4_XATTR_ROUND) >> EXT4_XATTR_PAD_BITS; n; n--) {
 			hash = (hash << VALUE_HASH_SHIFT) ^
 			       (hash >> (8*sizeof(hash) - VALUE_HASH_SHIFT)) ^
 			       le32_to_cpu(*value++);
@@ -1269,17 +1269,17 @@
 #define BLOCK_HASH_SHIFT 16
 
 /*
- * ext3_xattr_rehash()
+ * ext4_xattr_rehash()
  *
  * Re-compute the extended attribute hash value after an entry has changed.
  */
-static void ext3_xattr_rehash(struct ext3_xattr_header *header,
-			      struct ext3_xattr_entry *entry)
+static void ext4_xattr_rehash(struct ext4_xattr_header *header,
+			      struct ext4_xattr_entry *entry)
 {
-	struct ext3_xattr_entry *here;
+	struct ext4_xattr_entry *here;
 	__u32 hash = 0;
 
-	ext3_xattr_hash_entry(header, entry);
+	ext4_xattr_hash_entry(header, entry);
 	here = ENTRY(header+1);
 	while (!IS_LAST_ENTRY(here)) {
 		if (!here->e_hash) {
@@ -1290,7 +1290,7 @@
 		hash = (hash << BLOCK_HASH_SHIFT) ^
 		       (hash >> (8*sizeof(hash) - BLOCK_HASH_SHIFT)) ^
 		       le32_to_cpu(here->e_hash);
-		here = EXT3_XATTR_NEXT(here);
+		here = EXT4_XATTR_NEXT(here);
 	}
 	header->h_hash = cpu_to_le32(hash);
 }
@@ -1298,20 +1298,20 @@
 #undef BLOCK_HASH_SHIFT
 
 int __init
-init_ext3_xattr(void)
+init_ext4_xattr(void)
 {
-	ext3_xattr_cache = mb_cache_create("ext3_xattr", NULL,
+	ext4_xattr_cache = mb_cache_create("ext4_xattr", NULL,
 		sizeof(struct mb_cache_entry) +
 		sizeof(((struct mb_cache_entry *) 0)->e_indexes[0]), 1, 6);
-	if (!ext3_xattr_cache)
+	if (!ext4_xattr_cache)
 		return -ENOMEM;
 	return 0;
 }
 
 void
-exit_ext3_xattr(void)
+exit_ext4_xattr(void)
 {
-	if (ext3_xattr_cache)
-		mb_cache_destroy(ext3_xattr_cache);
-	ext3_xattr_cache = NULL;
+	if (ext4_xattr_cache)
+		mb_cache_destroy(ext4_xattr_cache);
+	ext4_xattr_cache = NULL;
 }