btrfs-progs: Refactor nodesize users in cmds-inspect-tree-stats.c

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>

diff --git a/cmds-inspect-tree-stats.c b/cmds-inspect-tree-stats.c
index 58dd29e..ecb33ce 100644 (file)
--- a/cmds-inspect-tree-stats.c
+++ b/cmds-inspect-tree-stats.c
@@ -105,7 +105,7 @@ static int walk_leaf(struct btrfs_root *root, struct btrfs_path *path,
        struct btrfs_key found_key;
        int i;
 
-       stat->total_bytes += root->nodesize;
+       stat->total_bytes += root->fs_info->nodesize;
        stat->total_leaves++;
 
        if (!find_inline)
@@ -137,12 +137,13 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                      struct root_stats *stat, int level, int find_inline)
 {
        struct extent_buffer *b = path->nodes[level];
+       u32 nodesize = root->fs_info->nodesize;
        u64 last_block;
-       u64 cluster_size = root->nodesize;
+       u64 cluster_size = nodesize;
        int i;
        int ret = 0;
 
-       stat->total_bytes += root->nodesize;
+       stat->total_bytes += nodesize;
        stat->total_nodes++;
 
        last_block = btrfs_header_bytenr(b);
@@ -153,7 +154,7 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                path->slots[level] = i;
                if ((level - 1) > 0 || find_inline) {
                        tmp = read_tree_block(root, cur_blocknr,
-                                             root->nodesize,
+                                             nodesize,
                                              btrfs_node_ptr_generation(b, i));
                        if (!extent_buffer_uptodate(tmp)) {
                                error("failed to read blocknr %llu",
@@ -167,9 +168,9 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                         find_inline);
                else
                        ret = walk_leaf(root, path, stat, find_inline);
-               if (last_block + root->nodesize != cur_blocknr) {
+               if (last_block + nodesize != cur_blocknr) {
                        u64 distance = calc_distance(last_block +
-                                                    root->nodesize,
+                                                    nodesize,
                                                     cur_blocknr);
                        stat->total_seeks++;
                        stat->total_seek_len += distance;
@@ -186,7 +187,7 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                stat->forward_seeks++;
                        else
                                stat->backward_seeks++;
-                       if (cluster_size != root->nodesize) {
+                       if (cluster_size != nodesize) {
                                stat->total_cluster_size += cluster_size;
                                stat->total_clusters++;
                                if (cluster_size < stat->min_cluster_size)
@@ -194,9 +195,9 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                if (cluster_size > stat->max_cluster_size)
                                        stat->max_cluster_size = cluster_size;
                        }
-                       cluster_size = root->nodesize;
+                       cluster_size = nodesize;
                } else {
-                       cluster_size += root->nodesize;
+                       cluster_size += nodesize;
                }
                last_block = cur_blocknr;
                if (cur_blocknr < stat->lowest_bytenr)
@@ -334,7 +335,7 @@ static int calc_root_size(struct btrfs_root *tree_root, struct btrfs_key *key,
        stat.lowest_bytenr = btrfs_header_bytenr(root->node);
        stat.highest_bytenr = stat.lowest_bytenr;
        stat.min_cluster_size = (u64)-1;
-       stat.max_cluster_size = root->nodesize;
+       stat.max_cluster_size = root->fs_info->nodesize;
        path.nodes[level] = root->node;
        if (gettimeofday(&start, NULL)) {
                error("cannot get time: %s", strerror(errno));