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[2/2] btrfs-progs: dump-tree: Also output log root tree

Message ID 20170314052828.27155-2-quwenruo@cn.fujitsu.com (mailing list archive)
State Superseded
Headers show

Commit Message

Qu Wenruo March 14, 2017, 5:28 a.m. UTC
In btrfs-dump-tree, we output any existing log tree, however we don't
output the log root tree, which records all root items for log trees.

This makes it confusing for any one who want to know where the log tree
comes from.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
---
 cmds-inspect-dump-tree.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
diff mbox

Patch

diff --git a/cmds-inspect-dump-tree.c b/cmds-inspect-dump-tree.c
index 2c6bec7f..eca91b5e 100644
--- a/cmds-inspect-dump-tree.c
+++ b/cmds-inspect-dump-tree.c
@@ -344,6 +344,9 @@  int cmd_inspect_dump_tree(int argc, char **argv)
 			printf("chunk tree: %llu level %d\n",
 			     (unsigned long long)info->chunk_root->node->start,
 			     btrfs_header_level(info->chunk_root->node));
+			printf("log root tree: %llu level %d\n",
+			     (unsigned long long)info->log_root_tree->node->start,
+			     btrfs_header_level(info->log_root_tree->node));
 		} else {
 			if (info->tree_root->node) {
 				printf("root tree\n");
@@ -356,6 +359,12 @@  int cmd_inspect_dump_tree(int argc, char **argv)
 				btrfs_print_tree(info->chunk_root,
 						 info->chunk_root->node, 1);
 			}
+
+			if (info->log_root_tree) {
+				printf("log root tree\n");
+				btrfs_print_tree(info->log_root_tree,
+						info->log_root_tree->node, 1);
+			}
 		}
 	}
 	tree_root_scan = info->tree_root;
@@ -388,6 +397,17 @@  again:
 		goto close_root;
 	}
 
+	if (tree_id && tree_id == BTRFS_TREE_LOG_OBJECTID) {
+		if (!info->log_root_tree) {
+			error("cannot print log root tree, invalid pointer");
+			goto close_root;
+		}
+		printf("log root tree\n");
+		btrfs_print_tree(info->log_root_tree, info->log_root_tree->node,
+				 1);
+		goto close_root;
+	}
+
 	key.offset = 0;
 	key.objectid = 0;
 	key.type = BTRFS_ROOT_ITEM_KEY;