From b670b9285efb2cd5b8a1668d6e80727d03e2a3d2 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Thu, 27 Oct 2011 17:42:26 -0400 Subject: btrfs-debug-tree: add -r option to print only the roots Signed-off-by: Chris Mason --- debug-tree.c | 37 ++++++++++++++++++++++++++++--------- 1 file changed, 28 insertions(+), 9 deletions(-) (limited to 'debug-tree.c') diff --git a/debug-tree.c b/debug-tree.c index 34cefe9f..91e0064f 100644 --- a/debug-tree.c +++ b/debug-tree.c @@ -76,6 +76,7 @@ int main(int ac, char **av) int slot; int extent_only = 0; int device_only = 0; + int roots_only = 0; u64 block_only = 0; struct btrfs_root *tree_root_scan; @@ -83,7 +84,7 @@ int main(int ac, char **av) while(1) { int c; - c = getopt(ac, av, "deb:"); + c = getopt(ac, av, "deb:r"); if (c < 0) break; switch(c) { @@ -93,6 +94,9 @@ int main(int ac, char **av) case 'd': device_only = 1; break; + case 'r': + roots_only = 1; + break; case 'b': block_only = atoll(optarg); break; @@ -134,13 +138,22 @@ int main(int ac, char **av) } if (!extent_only) { - printf("root tree\n"); - btrfs_print_tree(root->fs_info->tree_root, - root->fs_info->tree_root->node, 1); + if (roots_only) { + printf("root tree: %llu level %d\n", + (unsigned long long)root->fs_info->tree_root->node->start, + btrfs_header_level(root->fs_info->tree_root->node)); + printf("chunk tree: %llu level %d\n", + (unsigned long long)root->fs_info->chunk_root->node->start, + btrfs_header_level(root->fs_info->chunk_root->node)); + } else { + printf("root tree\n"); + btrfs_print_tree(root->fs_info->tree_root, + root->fs_info->tree_root->node, 1); - printf("chunk tree\n"); - btrfs_print_tree(root->fs_info->chunk_root, - root->fs_info->chunk_root->node, 1); + printf("chunk tree\n"); + btrfs_print_tree(root->fs_info->chunk_root, + root->fs_info->chunk_root->node, 1); + } } tree_root_scan = root->fs_info->tree_root; @@ -253,8 +266,14 @@ again: } else if (!skip) { printf(" tree "); btrfs_print_key(&disk_key); - printf(" \n"); - btrfs_print_tree(tree_root_scan, buf, 1); + if (roots_only) { + printf(" %llu level %d\n", + (unsigned long long)buf->start, + btrfs_header_level(buf)); + } else { + printf(" \n"); + btrfs_print_tree(tree_root_scan, buf, 1); + } } } path.slots[0]++; -- cgit v1.2.3