[v2,19/20] btrfs-progs: check: fill csum root from all extent roots

Commit Message

Josef Bacik Nov. 8, 2021, 7:26 p.m. UTC

We may have multiple extent roots, so cycle through all of the extent
roots and populate the csum tree based on the content of every extent
root we have in the file system.

Signed-off-by: Josef Bacik <[e-mail]>
---
 check/main.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

Patch

diff --git a/check/main.c b/check/main.c
index 175fe616..5fb28216 100644
--- a/check/main.c
+++ b/check/main.c
@@ -9690,9 +9690,9 @@  out:
 	return ret;
 }
 
-static int fill_csum_tree_from_extent(struct btrfs_trans_handle *trans)
+static int fill_csum_tree_from_extent(struct btrfs_trans_handle *trans,
+				      struct btrfs_root *extent_root)
 {
-	struct btrfs_root *extent_root = btrfs_extent_root(gfs_info, 0);
 	struct btrfs_root *csum_root;
 	struct btrfs_path path;
 	struct btrfs_extent_item *ei;
@@ -9766,10 +9766,26 @@  static int fill_csum_tree_from_extent(struct btrfs_trans_handle *trans)
 static int fill_csum_tree(struct btrfs_trans_handle *trans,
 			  int search_fs_tree)
 {
+	struct btrfs_root *root;
+	struct rb_node *n;
+	int ret;
+
 	if (search_fs_tree)
 		return fill_csum_tree_from_fs(trans);
-	else
-		return fill_csum_tree_from_extent(trans);
+
+	root = btrfs_extent_root(gfs_info, 0);
+	while (1) {
+		ret = fill_csum_tree_from_extent(trans, root);
+		if (ret)
+			break;
+		n = rb_next(&root->rb_node);
+		if (!n)
+			break;
+		root = rb_entry(n, struct btrfs_root, rb_node);
+		if (root->root_key.objectid != BTRFS_EXTENT_TREE_OBJECTID)
+			break;
+	}
+	return ret;
 }
 
 static void free_roots_info_cache(void)