From 007e5efb9b5e1d3ce14d5ec162910c249351a56d Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Mon, 30 Apr 2007 15:25:49 -0400
Subject: [PATCH] allocator improvements, inode block groups

---
 ctree.h      | 12 ++++++++++++
 print-tree.c |  3 ++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/ctree.h b/ctree.h
index efd044a2..c3f8c525 100644
--- a/ctree.h
+++ b/ctree.h
@@ -167,6 +167,7 @@ struct btrfs_inode_item {
 	__le64 generation;
 	__le64 size;
 	__le64 nblocks;
+	__le64 block_group;
 	__le32 nlink;
 	__le32 uid;
 	__le32 gid;
@@ -392,6 +393,17 @@ static inline void btrfs_set_inode_nblocks(struct btrfs_inode_item *i, u64 val)
 	i->nblocks = cpu_to_le64(val);
 }
 
+static inline u64 btrfs_inode_block_group(struct btrfs_inode_item *i)
+{
+	return le64_to_cpu(i->block_group);
+}
+
+static inline void btrfs_set_inode_block_group(struct btrfs_inode_item *i,
+						u64 val)
+{
+	i->block_group = cpu_to_le64(val);
+}
+
 static inline u32 btrfs_inode_nlink(struct btrfs_inode_item *i)
 {
 	return le32_to_cpu(i->nlink);
diff --git a/print-tree.c b/print-tree.c
index 0b4d8059..c313a0a9 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -59,9 +59,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
 		switch (type) {
 		case BTRFS_INODE_ITEM_KEY:
 			ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
-			printf("\t\tinode generation %Lu size %Lu mode %o\n",
+			printf("\t\tinode generation %Lu size %Lu block group %Lu mode %o\n",
 			       btrfs_inode_generation(ii),
 			       btrfs_inode_size(ii),
+			       btrfs_inode_block_group(ii),
 			       btrfs_inode_mode(ii));
 			break;
 		case BTRFS_DIR_ITEM_KEY: