Btrfs: start of block group code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 956727f..1c27eb6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -529,6 +529,7 @@
init_bit_radix(&fs_info->pending_del_radix);
INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_NOFS);
INIT_RADIX_TREE(&fs_info->dev_radix, GFP_NOFS);
+ INIT_RADIX_TREE(&fs_info->block_group_radix, GFP_KERNEL);
INIT_LIST_HEAD(&fs_info->trans_list);
sb_set_blocksize(sb, 4096);
fs_info->running_transaction = NULL;
@@ -613,6 +614,8 @@
BTRFS_EXTENT_TREE_OBJECTID, extent_root);
BUG_ON(ret);
+ btrfs_read_block_groups(extent_root);
+
fs_info->generation = btrfs_super_generation(disk_super) + 1;
memset(&fs_info->kobj, 0, sizeof(fs_info->kobj));
kobj_set_kset_s(fs_info, btrfs_subsys);
@@ -741,6 +744,7 @@
iput(fs_info->btree_inode);
free_dev_radix(fs_info);
+ btrfs_free_block_groups(root->fs_info);
del_fs_roots(fs_info);
kfree(fs_info->extent_root);
kfree(fs_info->tree_root);