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

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
master
Qu Wenruo 2017-05-18 09:54:49 +08:00 committed by David Sterba
parent 389a2e8095
commit b2615be24a
1 changed files with 11 additions and 10 deletions
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21
cmds-inspect-tree-stats.c
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@ -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));