[PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols

Mingming Cao originally did this work, and Shaggy reproduced it using some
scripts from her.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 280 insertions, 280 deletions

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index f86f2482f01d..d3a408154101 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 @@ ext3_xattr_handler(int name_index)
  * 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 @@ ext3_xattr_check_names(struct ext3_xattr_entry *entry, void *end)
 }
 
 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 @@ ext3_xattr_check_entry(struct ext3_xattr_entry *entry, size_t size)
 }
 
 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 @@ ext3_xattr_find_entry(struct ext3_xattr_entry **pentry, int name_index,
                 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 @@ ext3_xattr_find_entry(struct ext3_xattr_entry **pentry, int name_index,
                         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 @@ ext3_xattr_block_get(struct inode *inode, int name_index, const char *name,
                   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 @@ cleanup:
 }
 
 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 @@ cleanup:
 }
 
 /*
- * ext3_xattr_get()
+ * ext4_xattr_get()
  *
  * Copy an extended attribute into the buffer
  * provided, or compute the buffer size required.
@@ -314,30 +314,30 @@ cleanup:
  * 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 @@ ext3_xattr_list_entries(struct inode *inode, struct ext3_xattr_entry *entry,
 }
 
 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 @@ ext3_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size)
                   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 @@ cleanup:
 }
 
 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 @@ cleanup:
 }
 
 /*
- * 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 @@ cleanup:
  * 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 @@ ext3_xattr_list(struct inode *inode, char *buffer, size_t buffer_size)
                         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 @@ static void ext3_xattr_update_super_block(handle_t *handle,
  * 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 @@ ext3_xattr_release_block(handle_t *handle, struct inode *inode,
         }
 }
 
-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 @@ ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s)
         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 @@ ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s)
                         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 @@ ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s)
                                     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 @@ ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s)
                 /* 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 @@ ext3_xattr_block_find(struct inode *inode, struct ext3_xattr_info *i,
         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 @@ ext3_xattr_block_find(struct inode *inode, struct ext3_xattr_info *i,
                 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 @@ cleanup:
 }
 
 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 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode,
                                 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 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode,
                 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 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode,
                 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 @@ inserted:
                                 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 @@ inserted:
                                 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 @@ inserted:
                         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 @@ inserted:
                         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 @@ getblk_failed:
                         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 @@ cleanup_dquot:
         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 @@ ext3_xattr_ibody_find(struct inode *inode, struct ext3_xattr_info *i,
 }
 
 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 @@ ext3_xattr_ibody_set(handle_t *handle, struct inode *inode,
  * 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 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
                 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 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
                 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 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 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 @@ retry:
 }
 
 /*
- * 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 @@ ext3_xattr_put_super(struct super_block *sb)
  * 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_cache_insert(struct buffer_head *bh)
 }
 
 /*
- * ext3_xattr_cmp()
+ * ext4_xattr_cmp()
  *
  * Compare two extended attribute blocks for equality.
  *
@@ -1148,10 +1148,10 @@ ext3_xattr_cache_insert(struct buffer_head *bh)
  * 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 @@ ext3_xattr_cmp(struct ext3_xattr_header *header1,
                            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_cmp(struct ext3_xattr_header *header1,
 }
 
 /*
- * ext3_xattr_cache_find()
+ * ext4_xattr_cache_find()
  *
  * Find an identical extended attribute block.
  *
@@ -1188,7 +1188,7 @@ ext3_xattr_cmp(struct ext3_xattr_header *header1,
  * 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 @@ ext3_xattr_cache_find(struct inode *inode, struct ext3_xattr_header *header,
                 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 @@ again:
                 }
                 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 @@ again:
 #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 @@ static inline void ext3_xattr_hash_entry(struct ext3_xattr_header *header,
                 __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 @@ static inline void ext3_xattr_hash_entry(struct ext3_xattr_header *header,
 #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 @@ static void ext3_xattr_rehash(struct ext3_xattr_header *header,
                 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 @@ static void ext3_xattr_rehash(struct ext3_xattr_header *header,
 #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;
 }