From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 5 Apr 2007 01:23:26 +0000 (-0400)
Subject: dir inode index
X-Git-Tag: upstream/0.20.rc1~424
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6542904d952d24a6e0c77f5ebf1d8f65196d8b81;p=platform%2Fupstream%2Fbtrfs-progs.git

dir inode index
---

diff --git a/ctree.h b/ctree.h
index beaa6e0..b75ab4b 100644
--- a/ctree.h
+++ b/ctree.h
@@ -270,37 +270,38 @@ struct btrfs_root {
  * for every name in a directory.
  */
 #define BTRFS_DIR_ITEM_KEY	2
+#define BTRFS_DIR_INDEX_KEY	3
 /*
  * inline data is file data that fits in the btree.
  */
-#define BTRFS_INLINE_DATA_KEY	3
+#define BTRFS_INLINE_DATA_KEY	4
 /*
  * extent data is for data that can't fit in the btree.  It points to
  * a (hopefully) huge chunk of disk
  */
-#define BTRFS_EXTENT_DATA_KEY	4
-#define BTRFS_CSUM_ITEM_KEY	5
+#define BTRFS_EXTENT_DATA_KEY	5
+#define BTRFS_CSUM_ITEM_KEY	6
 /*
  * root items point to tree roots.  There are typically in the root
  * tree used by the super block to find all the other trees
  */
-#define BTRFS_ROOT_ITEM_KEY	6
+#define BTRFS_ROOT_ITEM_KEY	7
 /*
  * extent items are in the extent map tree.  These record which blocks
  * are used, and how many references there are to each block
  */
-#define BTRFS_EXTENT_ITEM_KEY	7
+#define BTRFS_EXTENT_ITEM_KEY	8
 
 /*
  * the inode map records which inode numbers are in use and where
  * they actually live on disk
  */
-#define BTRFS_INODE_MAP_ITEM_KEY 8
+#define BTRFS_INODE_MAP_ITEM_KEY 9
 /*
  * string items are for debugging.  They just store a short string of
  * data in the FS
  */
-#define BTRFS_STRING_ITEM_KEY	9
+#define BTRFS_STRING_ITEM_KEY	10
 
 static inline u64 btrfs_inode_generation(struct btrfs_inode_item *i)
 {
diff --git a/dir-item.c b/dir-item.c
index ec3e488..1b1fc9b 100644
--- a/dir-item.c
+++ b/dir-item.c
@@ -42,6 +42,25 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
 	btrfs_set_dir_name_len(dir_item, name_len);
 	name_ptr = (char *)(dir_item + 1);
 	memcpy(name_ptr, name, name_len);
+
+	// FIXME don't be stupid
+	if (key.offset == 2)
+		goto out;
+	btrfs_release_path(root, &path);
+	btrfs_set_key_type(&key, BTRFS_DIR_INDEX_KEY);
+	key.offset = objectid;
+	ret = btrfs_insert_empty_item(trans, root, &path, &key, data_size);
+	if (ret)
+		goto out;
+
+	dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
+				  struct btrfs_dir_item);
+	btrfs_set_dir_objectid(dir_item, objectid);
+	btrfs_set_dir_type(dir_item, type);
+	btrfs_set_dir_flags(dir_item, 0);
+	btrfs_set_dir_name_len(dir_item, name_len);
+	name_ptr = (char *)(dir_item + 1);
+	memcpy(name_ptr, name, name_len);
 out:
 	btrfs_release_path(root, &path);
 	return ret;
diff --git a/print-tree.c b/print-tree.c
index 70058b0..ca3c653 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -56,6 +56,15 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
 			printf("\t\tname %.*s\n",
 			       btrfs_dir_name_len(di),(char *)(di + 1));
 			break;
+		case BTRFS_DIR_INDEX_KEY:
+			di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
+			printf("\t\tdir index %Lu flags %u type %u\n",
+				btrfs_dir_objectid(di),
+				btrfs_dir_flags(di),
+				btrfs_dir_type(di));
+			printf("\t\tname %.*s\n",
+			       btrfs_dir_name_len(di),(char *)(di + 1));
+			break;
 		case BTRFS_ROOT_ITEM_KEY:
 			ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
 			printf("\t\troot data blocknr %Lu refs %u\n",