diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 8938949..cec829b 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -131,11 +131,6 @@ ro                   	Mount filesystem read only. Note that ext4 will
                      	mount options "ro,noload" can be used to prevent
 		     	writes to the filesystem.
 
-extents		(*)	ext4 will use extents to address file data.  The
-			file system will no longer be mountable by ext3.
-
-noextents		ext4 will not use extents for newly created files
-
 journal_checksum	Enable checksumming of the journal transactions.
 			This will allow the recovery code in e2fsck and the
 			kernel to detect corruption in the kernel.  It is a
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 695b45c..db17188 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -536,7 +536,6 @@ do {									       \
 #define EXT4_MOUNT_QUOTA		0x80000 /* Some quota option set */
 #define EXT4_MOUNT_USRQUOTA		0x100000 /* "old" user quota */
 #define EXT4_MOUNT_GRPQUOTA		0x200000 /* "old" group quota */
-#define EXT4_MOUNT_EXTENTS		0x400000 /* Extents support */
 #define EXT4_MOUNT_JOURNAL_CHECKSUM	0x800000 /* Journal checksums */
 #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT	0x1000000 /* Journal Async Commit */
 #define EXT4_MOUNT_I_VERSION            0x2000000 /* i_version support */
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 663197a..be2f426 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -32,8 +32,8 @@
  * 5 levels of tree + root which are stored in the inode. */
 
 #define EXT4_SINGLEDATA_TRANS_BLOCKS(sb)				\
-	(EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)	\
-		|| test_opt(sb, EXTENTS) ? 27U : 8U)
+	(EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)   \
+	 ? 27U : 8U)
 
 /* Extended attribute operations touch at most two data buffers,
  * two bitmap buffers, and two group summaries, in addition to the inode
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index c64080e..240cf0d 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2247,7 +2247,7 @@ void ext4_ext_init(struct super_block *sb)
 	 * possible initialization would be here
 	 */
 
-	if (test_opt(sb, EXTENTS)) {
+	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
 		printk(KERN_INFO "EXT4-fs: file extents enabled");
 #ifdef AGGRESSIVE_TEST
 		printk(", aggressive tests");
@@ -2272,7 +2272,7 @@ void ext4_ext_init(struct super_block *sb)
  */
 void ext4_ext_release(struct super_block *sb)
 {
-	if (!test_opt(sb, EXTENTS))
+	if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
 		return;
 
 #ifdef EXTENTS_STATS
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 17483ad..4ed2c04 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -914,7 +914,7 @@ got:
 	if (err)
 		goto fail_free_drop;
 
-	if (test_opt(sb, EXTENTS)) {
+	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
 		/* set extent flag only for directory, file and normal symlink*/
 		if (S_ISDIR(mode) || S_ISREG(mode) || S_ISLNK(mode)) {
 			EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index e7cd488..734abca 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -459,13 +459,13 @@ int ext4_ext_migrate(struct inode *inode)
 	struct list_blocks_struct lb;
 	unsigned long max_entries;
 
-	if (!test_opt(inode->i_sb, EXTENTS))
-		/*
-		 * if mounted with noextents we don't allow the migrate
-		 */
-		return -EINVAL;
-
-	if ((EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	/*
+	 * If the filesystem does not support extents, or the inode
+	 * already is extent-based, error out.
+	 */
+	if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
+				       EXT4_FEATURE_INCOMPAT_EXTENTS) ||
+	    (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
 		return -EINVAL;
 
 	if (S_ISLNK(inode->i_mode) && inode->i_blocks == 0)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 697ffed..22c4fde 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -830,8 +830,6 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_puts(seq, ",journal_async_commit");
 	if (test_opt(sb, NOBH))
 		seq_puts(seq, ",nobh");
-	if (!test_opt(sb, EXTENTS))
-		seq_puts(seq, ",noextents");
 	if (test_opt(sb, I_VERSION))
 		seq_puts(seq, ",i_version");
 	if (!test_opt(sb, DELALLOC))
@@ -1012,7 +1010,7 @@ enum {
 	Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
 	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
 	Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
-	Opt_grpquota, Opt_extents, Opt_noextents, Opt_i_version,
+	Opt_grpquota, Opt_i_version,
 	Opt_stripe, Opt_delalloc, Opt_nodelalloc,
 	Opt_inode_readahead_blks, Opt_journal_ioprio
 };
@@ -1067,8 +1065,6 @@ static const match_table_t tokens = {
 	{Opt_quota, "quota"},
 	{Opt_usrquota, "usrquota"},
 	{Opt_barrier, "barrier=%u"},
-	{Opt_extents, "extents"},
-	{Opt_noextents, "noextents"},
 	{Opt_i_version, "i_version"},
 	{Opt_stripe, "stripe=%u"},
 	{Opt_resize, "resize"},
@@ -1116,7 +1112,6 @@ static int parse_options(char *options, struct super_block *sb,
 	int qtype, qfmt;
 	char *qname;
 #endif
-	ext4_fsblk_t last_block;
 
 	if (!options)
 		return 1;
@@ -1446,33 +1441,6 @@ set_qf_format:
 		case Opt_bh:
 			clear_opt(sbi->s_mount_opt, NOBH);
 			break;
-		case Opt_extents:
-			if (!EXT4_HAS_INCOMPAT_FEATURE(sb,
-					EXT4_FEATURE_INCOMPAT_EXTENTS)) {
-				ext4_warning(sb, __func__,
-					"extents feature not enabled "
-					"on this filesystem, use tune2fs");
-				return 0;
-			}
-			set_opt(sbi->s_mount_opt, EXTENTS);
-			break;
-		case Opt_noextents:
-			/*
-			 * When e2fsprogs support resizing an already existing
-			 * ext3 file system to greater than 2**32 we need to
-			 * add support to block allocator to handle growing
-			 * already existing block  mapped inode so that blocks
-			 * allocated for them fall within 2**32
-			 */
-			last_block = ext4_blocks_count(sbi->s_es) - 1;
-			if (last_block  > 0xffffffffULL) {
-				printk(KERN_ERR "EXT4-fs: Filesystem too "
-						"large to mount with "
-						"-o noextents options\n");
-				return 0;
-			}
-			clear_opt(sbi->s_mount_opt, EXTENTS);
-			break;
 		case Opt_i_version:
 			set_opt(sbi->s_mount_opt, I_VERSION);
 			sb->s_flags |= MS_I_VERSION;
@@ -2137,18 +2105,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	set_opt(sbi->s_mount_opt, BARRIER);
 
 	/*
-	 * turn on extents feature by default in ext4 filesystem
-	 * only if feature flag already set by mkfs or tune2fs.
-	 * Use -o noextents to turn it off
-	 */
-	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
-		set_opt(sbi->s_mount_opt, EXTENTS);
-	else
-		ext4_warning(sb, __func__,
-			"extents feature not enabled on this filesystem, "
-			"use tune2fs.");
-
-	/*
 	 * enable delayed allocation by default
 	 * Use -o nodelalloc to turn it off
 	 */
@@ -3823,7 +3779,7 @@ static void __exit exit_ext4_fs(void)
 }
 
 MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
-MODULE_DESCRIPTION("Fourth Extended Filesystem with extents");
+MODULE_DESCRIPTION("Fourth Extended Filesystem");
 MODULE_LICENSE("GPL");
 module_init(init_ext4_fs)
 module_exit(exit_ext4_fs)
