more stats from fsck

diff --git a/btrfsck.c b/btrfsck.c
index 31cb0bd..e89b0d4 100644 (file)
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -11,7 +11,11 @@
 #include "transaction.h"
 #include "bit-radix.h"
 
-u64 blocks_used = 0;
+static u64 blocks_used = 0;
+static u64 total_csum_bytes = 0;
+static u64 total_btree_blocks = 0;
+static u64 btree_space_waste = 0;
+
 struct extent_record {
        struct btrfs_disk_key parent_key;
        struct btrfs_disk_key node_key;
@@ -234,6 +238,7 @@ static int run_next_block(struct btrfs_root *root,
        }
        if (btrfs_is_leaf(&buf->node)) {
                leaf = &buf->leaf;
+               btree_space_waste += btrfs_leaf_free_space(root, leaf);
                for (i = 0; i < nritems; i++) {
                        struct btrfs_file_extent_item *fi;
                        if (btrfs_disk_key_type(&leaf->items[i].key) ==
@@ -251,6 +256,12 @@ static int run_next_block(struct btrfs_root *root,
                                               btrfs_extent_refs(ei), 0);
                                continue;
                        }
+                       if (btrfs_disk_key_type(&leaf->items[i].key) ==
+                           BTRFS_CSUM_ITEM_KEY) {
+                               total_csum_bytes +=
+                                       btrfs_item_size(leaf->items + i);
+                               continue;
+                       }
                        if (btrfs_disk_key_type(&leaf->items[i].key) !=
                            BTRFS_EXTENT_DATA_KEY)
                                continue;
@@ -284,8 +295,11 @@ static int run_next_block(struct btrfs_root *root,
                                add_pending(pending, seen, ptr);
                        }
                }
+               btree_space_waste += (BTRFS_NODEPTRS_PER_BLOCK(root) -
+                                     nritems) * sizeof(struct btrfs_key_ptr);
        }
        btrfs_block_release(root, buf);
+       total_btree_blocks++;
        return 0;
 }
 
@@ -420,5 +434,8 @@ int main(int ac, char **av) {
        ret = check_extent_refs(root, &extent_radix);
        close_ctree(root, &super);
        printf("found %Lu blocks used err is %d\n", blocks_used, ret);
+       printf("total csum bytes: %Lu\n", total_csum_bytes);
+       printf("total tree blocks: %Lu\n", total_btree_blocks);
+       printf("btree space waste bytes: %Lu\n", btree_space_waste);
        return ret;
 }