diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5ff7428..5611f8e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -606,6 +606,7 @@
 	struct btrfs_root *tree_root;
 	struct btrfs_root *chunk_root;
 	struct btrfs_root *dev_root;
+	struct btrfs_root *fs_root;
 
 	/* the log root tree is a directory of all the other log roots */
 	struct btrfs_root *log_root_tree;
@@ -758,7 +759,6 @@
 	struct btrfs_root_item root_item;
 	struct btrfs_key root_key;
 	struct btrfs_fs_info *fs_info;
-	struct inode *inode;
 	struct extent_io_tree dirty_log_pages;
 
 	struct kobject root_kobj;
@@ -1876,6 +1876,8 @@
 #define PageChecked PageFsMisc
 #endif
 
+struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry);
+int btrfs_set_inode_index(struct inode *dir, u64 *index);
 int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
 		       struct btrfs_root *root,
 		       struct inode *dir, struct inode *inode,
@@ -1896,9 +1898,6 @@
 		struct btrfs_trans_handle *trans, u64 new_dirid,
 		struct btrfs_block_group_cache *block_group);
 
-void btrfs_invalidate_dcache_root(struct btrfs_root *root, char *name,
-				  int namelen);
-
 int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
 			 size_t size, struct bio *bio, unsigned long bio_flags);
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 82833e5..0a53505 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -838,7 +838,6 @@
 			u64 objectid)
 {
 	root->node = NULL;
-	root->inode = NULL;
 	root->commit_root = NULL;
 	root->ref_tree = NULL;
 	root->sectorsize = sectorsize;
@@ -1430,6 +1429,7 @@
 	u32 blocksize;
 	u32 stripesize;
 	u64 generation;
+	struct btrfs_key location;
 	struct buffer_head *bh;
 	struct btrfs_root *extent_root = kzalloc(sizeof(struct btrfs_root),
 						 GFP_NOFS);
@@ -1729,7 +1729,7 @@
 		goto fail_cleaner;
 
 	if (sb->s_flags & MS_RDONLY)
-		return tree_root;
+		goto read_fs_root;
 
 	if (btrfs_super_log_root(disk_super) != 0) {
 		u32 blocksize;
@@ -1755,6 +1755,14 @@
 	ret = btrfs_cleanup_reloc_trees(tree_root);
 	BUG_ON(ret);
 
+	location.objectid = BTRFS_FS_TREE_OBJECTID;
+	location.type = BTRFS_ROOT_ITEM_KEY;
+	location.offset = (u64)-1;
+
+read_fs_root:
+	fs_info->fs_root = btrfs_read_fs_root_no_name(fs_info, &location);
+	if (!fs_info->fs_root)
+		goto fail_cleaner;
 	return tree_root;
 
 fail_cleaner:
@@ -1944,8 +1952,6 @@
 			  (unsigned long)root->root_key.objectid);
 	if (root->in_sysfs)
 		btrfs_sysfs_del_root(root);
-	if (root->inode)
-		iput(root->inode);
 	if (root->node)
 		free_extent_buffer(root->node);
 	if (root->commit_root)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3e3620e..e163b1b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3038,8 +3038,7 @@
 	return inode;
 }
 
-static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
-				   struct nameidata *nd)
+struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 {
 	struct inode * inode;
 	struct btrfs_inode *bi = BTRFS_I(dir);
@@ -3067,13 +3066,21 @@
 		inode = btrfs_iget(dir->i_sb, &location, sub_root, &new);
 		if (IS_ERR(inode))
 			return ERR_CAST(inode);
-
-		/* the inode and parent dir are two different roots */
-		if (new && root != sub_root) {
-			igrab(inode);
-			sub_root->inode = inode;
-		}
 	}
+	return inode;
+}
+
+static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
+				   struct nameidata *nd)
+{
+	struct inode *inode;
+
+	if (dentry->d_name.len > BTRFS_NAME_LEN)
+		return ERR_PTR(-ENAMETOOLONG);
+
+	inode = btrfs_lookup_dentry(dir, dentry);
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
 
 	return d_splice_alias(inode, dentry);
 }
@@ -3129,7 +3136,6 @@
 			return 0;
 		filp->f_pos = 2;
 	}
-
 	path = btrfs_alloc_path();
 	path->reada = 2;
 
@@ -3159,6 +3165,7 @@
 				path->slots[0]++;
 			}
 		}
+
 		advance = 1;
 		item = btrfs_item_nr(leaf, slot);
 		btrfs_item_key_to_cpu(leaf, &found_key, slot);
@@ -3194,16 +3201,25 @@
 
 			d_type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];
 			btrfs_dir_item_key_to_cpu(leaf, di, &location);
+
+			/* is this a reference to our own snapshot? If so
+			 * skip it
+			 */
+			if (location.type == BTRFS_ROOT_ITEM_KEY &&
+			    location.objectid == root->root_key.objectid) {
+				over = 0;
+				goto skip;
+			}
 			over = filldir(dirent, name_ptr, name_len,
 				       found_key.offset, location.objectid,
 				       d_type);
 
+skip:
 			if (name_ptr != tmp_name)
 				kfree(name_ptr);
 
 			if (over)
 				goto nopos;
-
 			di_len = btrfs_dir_name_len(leaf, di) +
 				 btrfs_dir_data_len(leaf, di) + sizeof(*di);
 			di_cur += di_len;
@@ -3318,8 +3334,7 @@
  * helper to find a free sequence number in a given directory.  This current
  * code is very simple, later versions will do smarter things in the btree
  */
-static int btrfs_set_inode_index(struct inode *dir, struct inode *inode,
-				 u64 *index)
+int btrfs_set_inode_index(struct inode *dir, u64 *index)
 {
 	int ret = 0;
 
@@ -3365,7 +3380,7 @@
 		return ERR_PTR(-ENOMEM);
 
 	if (dir) {
-		ret = btrfs_set_inode_index(dir, inode, index);
+		ret = btrfs_set_inode_index(dir, index);
 		if (ret)
 			return ERR_PTR(ret);
 	}
@@ -3651,7 +3666,7 @@
 	err = btrfs_check_free_space(root, 1, 0);
 	if (err)
 		goto fail;
-	err = btrfs_set_inode_index(dir, inode, &index);
+	err = btrfs_set_inode_index(dir, &index);
 	if (err)
 		goto fail;
 
@@ -4349,13 +4364,13 @@
  * Invalidate a single dcache entry at the root of the filesystem.
  * Needed after creation of snapshot or subvolume.
  */
-void btrfs_invalidate_dcache_root(struct btrfs_root *root, char *name,
+void btrfs_invalidate_dcache_root(struct inode *dir, char *name,
 				  int namelen)
 {
 	struct dentry *alias, *entry;
 	struct qstr qstr;
 
-	alias = d_find_alias(root->fs_info->sb->s_root->d_inode);
+	alias = d_find_alias(dir);
 	if (alias) {
 		qstr.name = name;
 		qstr.len = namelen;
@@ -4387,7 +4402,6 @@
 		return PTR_ERR(inode);
 	inode->i_op = &btrfs_dir_inode_operations;
 	inode->i_fop = &btrfs_dir_file_operations;
-	new_root->inode = inode;
 
 	inode->i_nlink = 1;
 	btrfs_i_size_write(inode, 0);
@@ -4590,7 +4604,7 @@
 		}
 
 	}
-	ret = btrfs_set_inode_index(new_dir, old_inode, &index);
+	ret = btrfs_set_inode_index(new_dir, &index);
 	if (ret)
 		goto out_fail;
 
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index f43df72..ec45b30 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -67,6 +67,7 @@
 	int err;
 	u64 objectid;
 	u64 new_dirid = BTRFS_FIRST_FREE_OBJECTID;
+	u64 index = 0;
 	unsigned long nr = 1;
 
 	ret = btrfs_check_free_space(root, 1, 0);
@@ -126,6 +127,7 @@
 	key.objectid = objectid;
 	key.offset = 1;
 	btrfs_set_key_type(&key, BTRFS_ROOT_ITEM_KEY);
+printk("inserting root objectid %Lu\n", objectid);
 	ret = btrfs_insert_root(trans, root->fs_info->tree_root, &key,
 				&root_item);
 	if (ret)
@@ -135,24 +137,27 @@
 	 * insert the directory item
 	 */
 	key.offset = (u64)-1;
-	dir = root->fs_info->sb->s_root->d_inode;
-	ret = btrfs_insert_dir_item(trans, root->fs_info->tree_root,
+	dir = dentry->d_parent->d_inode;
+	ret = btrfs_set_inode_index(dir, &index);
+	BUG_ON(ret);
+
+	ret = btrfs_insert_dir_item(trans, root,
 				    name, namelen, dir->i_ino, &key,
-				    BTRFS_FT_DIR, 0);
+				    BTRFS_FT_DIR, index);
 	if (ret)
 		goto fail;
-
+#if 0
 	ret = btrfs_insert_inode_ref(trans, root->fs_info->tree_root,
 			     name, namelen, objectid,
 			     root->fs_info->sb->s_root->d_inode->i_ino, 0);
 	if (ret)
 		goto fail;
-
+#endif
 	ret = btrfs_commit_transaction(trans, root);
 	if (ret)
 		goto fail_commit;
 
-	new_root = btrfs_read_fs_root(root->fs_info, &key, name, namelen);
+	new_root = btrfs_read_fs_root_no_name(root->fs_info, &key);
 	BUG_ON(!new_root);
 
 	trans = btrfs_start_transaction(new_root, 1);
@@ -170,14 +175,16 @@
 		ret = err;
 fail_commit:
 	btrfs_btree_balance_dirty(root, nr);
+printk("all done ret %d\n", ret);
 	return ret;
 }
 
-static int create_snapshot(struct btrfs_root *root, char *name, int namelen)
+static int create_snapshot(struct btrfs_root *root, struct dentry *dentry,
+			   char *name, int namelen)
 {
 	struct btrfs_pending_snapshot *pending_snapshot;
 	struct btrfs_trans_handle *trans;
-	int ret;
+	int ret = 0;
 	int err;
 	unsigned long nr = 0;
 
@@ -188,7 +195,7 @@
 	if (ret)
 		goto fail_unlock;
 
-	pending_snapshot = kmalloc(sizeof(*pending_snapshot), GFP_NOFS);
+	pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS);
 	if (!pending_snapshot) {
 		ret = -ENOMEM;
 		goto fail_unlock;
@@ -201,12 +208,12 @@
 	}
 	memcpy(pending_snapshot->name, name, namelen);
 	pending_snapshot->name[namelen] = '\0';
+	pending_snapshot->dentry = dentry;
 	trans = btrfs_start_transaction(root, 1);
 	BUG_ON(!trans);
 	pending_snapshot->root = root;
 	list_add(&pending_snapshot->list,
 		 &trans->transaction->pending_snapshots);
-	ret = btrfs_update_inode(trans, root, root->inode);
 	err = btrfs_commit_transaction(trans, root);
 
 fail_unlock:
@@ -230,7 +237,8 @@
  * inside this filesystem so it's quite a bit simpler.
  */
 static noinline int btrfs_mksubvol(struct path *parent, char *name,
-				   int mode, int namelen)
+				   int mode, int namelen,
+				   struct btrfs_root *snap_src)
 {
 	struct dentry *dentry;
 	int error;
@@ -248,6 +256,7 @@
 
 	if (!IS_POSIXACL(parent->dentry->d_inode))
 		mode &= ~current->fs->umask;
+
 	error = mnt_want_write(parent->mnt);
 	if (error)
 		goto out_dput;
@@ -266,8 +275,12 @@
 	 * Also we should pass on the mode eventually to allow creating new
 	 * subvolume with specific mode bits.
 	 */
-	error = create_subvol(BTRFS_I(parent->dentry->d_inode)->root, dentry,
-			      name, namelen);
+	if (snap_src) {
+		error = create_snapshot(snap_src, dentry, name, namelen);
+	} else {
+		error = create_subvol(BTRFS_I(parent->dentry->d_inode)->root,
+				      dentry, name, namelen);
+	}
 	if (error)
 		goto out_drop_write;
 
@@ -471,15 +484,16 @@
 }
 
 static noinline int btrfs_ioctl_snap_create(struct file *file,
-					    void __user *arg)
+					    void __user *arg, int subvol)
 {
 	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
 	struct btrfs_ioctl_vol_args *vol_args;
 	struct btrfs_dir_item *di;
 	struct btrfs_path *path;
+	struct file *src_file;
 	u64 root_dirid;
 	int namelen;
-	int ret;
+	int ret = 0;
 
 	if (root->fs_info->sb->s_flags & MS_RDONLY)
 		return -EROFS;
@@ -523,12 +537,29 @@
 		goto out;
 	}
 
-	if (root == root->fs_info->tree_root) {
+	if (subvol) {
 		ret = btrfs_mksubvol(&file->f_path, vol_args->name,
 				     file->f_path.dentry->d_inode->i_mode,
-				     namelen);
+				     namelen, NULL);
 	} else {
-		ret = create_snapshot(root, vol_args->name, namelen);
+		struct inode *src_inode;
+		src_file = fget(vol_args->fd);
+		if (!src_file) {
+			ret = -EINVAL;
+			goto out;
+		}
+
+		src_inode = src_file->f_path.dentry->d_inode;
+		if (src_inode->i_sb != file->f_path.dentry->d_inode->i_sb) {
+			printk("btrfs: Snapshot src from another FS\n");
+			ret = -EINVAL;
+			fput(src_file);
+			goto out;
+		}
+		ret = btrfs_mksubvol(&file->f_path, vol_args->name,
+			     file->f_path.dentry->d_inode->i_mode,
+			     namelen, BTRFS_I(src_inode)->root);
+		fput(src_file);
 	}
 
 out:
@@ -1030,7 +1061,9 @@
 
 	switch (cmd) {
 	case BTRFS_IOC_SNAP_CREATE:
-		return btrfs_ioctl_snap_create(file, (void __user *)arg);
+		return btrfs_ioctl_snap_create(file, (void __user *)arg, 0);
+	case BTRFS_IOC_SUBVOL_CREATE:
+		return btrfs_ioctl_snap_create(file, (void __user *)arg, 1);
 	case BTRFS_IOC_DEFRAG:
 		return btrfs_ioctl_defrag(file);
 	case BTRFS_IOC_RESIZE:
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 989ba8a..78049ea 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -22,9 +22,10 @@
 
 #define BTRFS_IOCTL_MAGIC 0x94
 #define BTRFS_VOL_NAME_MAX 255
-#define BTRFS_PATH_NAME_MAX 4095
+#define BTRFS_PATH_NAME_MAX 3072
 
 struct btrfs_ioctl_vol_args {
+	__s64 fd;
 	char name[BTRFS_PATH_NAME_MAX + 1];
 };
 
@@ -51,7 +52,6 @@
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
 				   struct btrfs_ioctl_vol_args)
-
 struct btrfs_ioctl_clone_range_args {
   __s64 src_fd;
   __u64 src_offset, src_length;
@@ -61,4 +61,7 @@
 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
 				  struct btrfs_ioctl_clone_range_args)
 
+#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
+				   struct btrfs_ioctl_vol_args)
+
 #endif
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 92393cc..77c5eff 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -285,11 +285,11 @@
  out:
 	/*
 	 * If no subvolume name is specified we use the default one.  Allocate
-	 * a copy of the string "default" here so that code later in the
+	 * a copy of the string "." here so that code later in the
 	 * mount path doesn't care if it's the default volume or another one.
 	 */
 	if (!*subvol_name) {
-		*subvol_name = kstrdup("default", GFP_KERNEL);
+		*subvol_name = kstrdup(".", GFP_KERNEL);
 		if (!*subvol_name)
 			return -ENOMEM;
 	}
@@ -323,12 +323,12 @@
 	}
 	sb->s_fs_info = tree_root;
 	disk_super = &tree_root->fs_info->super_copy;
-	inode = btrfs_iget_locked(sb, btrfs_super_root_dir(disk_super),
-				  tree_root);
+	inode = btrfs_iget_locked(sb, BTRFS_FIRST_FREE_OBJECTID,
+				  tree_root->fs_info->fs_root);
 	bi = BTRFS_I(inode);
 	bi->location.objectid = inode->i_ino;
 	bi->location.offset = 0;
-	bi->root = tree_root;
+	bi->root = tree_root->fs_info->fs_root;
 
 	btrfs_set_key_type(&bi->location, BTRFS_INODE_ITEM_KEY);
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 202c1b6..eec8b24 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -779,7 +779,6 @@
 	struct extent_buffer *tmp;
 	struct extent_buffer *old;
 	int ret;
-	int namelen;
 	u64 objectid;
 
 	new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
@@ -816,28 +815,48 @@
 	if (ret)
 		goto fail;
 
+	key.offset = (u64)-1;
+	memcpy(&pending->root_key, &key, sizeof(key));
+fail:
+	kfree(new_root_item);
+	return ret;
+}
+
+static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info,
+				   struct btrfs_pending_snapshot *pending)
+{
+	int ret;
+	int namelen;
+	u64 index = 0;
+	struct btrfs_trans_handle *trans;
+	struct inode *parent_inode;
+	struct inode *inode;
+
+	trans = btrfs_start_transaction(fs_info->fs_root, 1);
+
 	/*
 	 * insert the directory item
 	 */
-	key.offset = (u64)-1;
 	namelen = strlen(pending->name);
-	ret = btrfs_insert_dir_item(trans, root->fs_info->tree_root,
-				    pending->name, namelen,
-				    root->fs_info->sb->s_root->d_inode->i_ino,
-				    &key, BTRFS_FT_DIR, 0);
+	parent_inode = pending->dentry->d_parent->d_inode;
+	ret = btrfs_set_inode_index(parent_inode, &index);
+	ret = btrfs_insert_dir_item(trans,
+			    BTRFS_I(parent_inode)->root,
+			    pending->name, namelen,
+			    parent_inode->i_ino,
+			    &pending->root_key, BTRFS_FT_DIR, index);
 
 	if (ret)
 		goto fail;
-
+#if 0
 	ret = btrfs_insert_inode_ref(trans, root->fs_info->tree_root,
 			     pending->name, strlen(pending->name), objectid,
 			     root->fs_info->sb->s_root->d_inode->i_ino, 0);
-
-	/* Invalidate existing dcache entry for new snapshot. */
-	btrfs_invalidate_dcache_root(root, pending->name, namelen);
-
+#endif
+	inode = btrfs_lookup_dentry(parent_inode, pending->dentry);
+	d_instantiate(pending->dentry, inode);
 fail:
-	kfree(new_root_item);
+	btrfs_end_transaction(trans, fs_info->fs_root);
 	return ret;
 }
 
@@ -849,12 +868,28 @@
 {
 	struct btrfs_pending_snapshot *pending;
 	struct list_head *head = &trans->transaction->pending_snapshots;
+	struct list_head *cur;
+	int ret;
+
+	list_for_each(cur, head) {
+		pending = list_entry(cur, struct btrfs_pending_snapshot, list);
+		ret = create_pending_snapshot(trans, fs_info, pending);
+		BUG_ON(ret);
+	}
+	return 0;
+}
+
+static noinline int finish_pending_snapshots(struct btrfs_trans_handle *trans,
+					     struct btrfs_fs_info *fs_info)
+{
+	struct btrfs_pending_snapshot *pending;
+	struct list_head *head = &trans->transaction->pending_snapshots;
 	int ret;
 
 	while(!list_empty(head)) {
 		pending = list_entry(head->next,
 				     struct btrfs_pending_snapshot, list);
-		ret = create_pending_snapshot(trans, fs_info, pending);
+		ret = finish_pending_snapshot(fs_info, pending);
 		BUG_ON(ret);
 		list_del(&pending->list);
 		kfree(pending->name);
@@ -1033,11 +1068,15 @@
 	btrfs_drop_dead_reloc_roots(root);
 	mutex_unlock(&root->fs_info->tree_reloc_mutex);
 
+	/* do the directory inserts of any pending snapshot creations */
+	finish_pending_snapshots(trans, root->fs_info);
+
 	mutex_lock(&root->fs_info->trans_mutex);
 
 	cur_trans->commit_done = 1;
 	root->fs_info->last_trans_committed = cur_trans->transid;
 	wake_up(&cur_trans->commit_wait);
+
 	put_transaction(cur_trans);
 	put_transaction(cur_trans);
 
@@ -1046,6 +1085,7 @@
 		list_splice_init(&root->fs_info->dead_roots, &dirty_fs_roots);
 
 	mutex_unlock(&root->fs_info->trans_mutex);
+
 	kmem_cache_free(btrfs_trans_handle_cachep, trans);
 
 	if (root->fs_info->closing) {
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index eef2cb7..202c8be 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -47,8 +47,10 @@
 };
 
 struct btrfs_pending_snapshot {
+	struct dentry *dentry;
 	struct btrfs_root *root;
 	char *name;
+	struct btrfs_key root_key;
 	struct list_head list;
 };