From: Yan Zheng <yanzheng@21cn.com>
Date: Fri, 19 Oct 2007 13:22:56 +0000 (-0400)
Subject: Btrfs: Properly setup root key while reading the root
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~449
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=44b36eb20bb60d7da1375c1fb45784740a4dc358;p=karo-tx-linux.git

Btrfs: Properly setup root key while reading the root

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5accced2858a..5a7e60d7f443 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -410,6 +410,7 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info,
 	read_extent_buffer(l, &root->root_item,
 	       btrfs_item_ptr_offset(l, path->slots[0]),
 	       sizeof(root->root_item));
+	memcpy(&root->root_key, location, sizeof(*location));
 	ret = 0;
 out:
 	btrfs_release_path(root, path);