summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/ordered-data.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/ordered-data.h')
-rw-r--r--fs/btrfs/ordered-data.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
new file mode 100644
index 00000000000..aaf9eb14271
--- /dev/null
+++ b/fs/btrfs/ordered-data.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef __BTRFS_ORDERED_DATA__
+#define __BTRFS_ORDERED_DATA__
+
+struct btrfs_ordered_inode_tree {
+ rwlock_t lock;
+ struct rb_root tree;
+};
+
+static inline void
+btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
+{
+ rwlock_init(&t->lock);
+ t->tree.rb_node = NULL;
+}
+
+int btrfs_add_ordered_inode(struct inode *inode);
+int btrfs_find_del_first_ordered_inode(struct btrfs_ordered_inode_tree *tree,
+ u64 *root_objectid, u64 *objectid);
+int btrfs_find_first_ordered_inode(struct btrfs_ordered_inode_tree *tree,
+ u64 *root_objectid, u64 *objectid);
+#endif