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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3460eaa9e4aa..5705335c80c8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1167,6 +1167,13 @@ struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info, u64 bytenr)
return btrfs_global_root(fs_info, &key);
}
+struct btrfs_root *btrfs_block_group_root(struct btrfs_fs_info *fs_info)
+{
+ if (btrfs_fs_compat_ro(fs_info, BLOCK_GROUP_TREE))
+ return fs_info->block_group_root;
+ return btrfs_extent_root(fs_info, 0);
+}
+
struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
u64 objectid)
{