-#include <linux/module.h>
+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
#include "ctree.h"
#include "disk-io.h"
+#include "print-tree.h"
-void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
+static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+{
+ int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+ int i;
+ printk(KERN_INFO "\t\tchunk length %llu owner %llu type %llu "
+ "num_stripes %d\n",
+ (unsigned long long)btrfs_chunk_length(eb, chunk),
+ (unsigned long long)btrfs_chunk_owner(eb, chunk),
+ (unsigned long long)btrfs_chunk_type(eb, chunk),
+ num_stripes);
+ for (i = 0 ; i < num_stripes ; i++) {
+ printk(KERN_INFO "\t\t\tstripe %d devid %llu offset %llu\n", i,
+ (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
+ (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
+ }
+}
+static void print_dev_item(struct extent_buffer *eb,
+ struct btrfs_dev_item *dev_item)
+{
+ printk(KERN_INFO "\t\tdev item devid %llu "
+ "total_bytes %llu bytes used %llu\n",
+ (unsigned long long)btrfs_device_id(eb, dev_item),
+ (unsigned long long)btrfs_device_total_bytes(eb, dev_item),
+ (unsigned long long)btrfs_device_bytes_used(eb, dev_item));
+}
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
{
int i;
- u32 nr = btrfs_header_nritems(&l->header);
+ u32 nr = btrfs_header_nritems(l);
struct btrfs_item *item;
struct btrfs_extent_item *ei;
struct btrfs_root_item *ri;
struct btrfs_dir_item *di;
struct btrfs_inode_item *ii;
+ struct btrfs_block_group_item *bi;
+ struct btrfs_file_extent_item *fi;
+ struct btrfs_key key;
+ struct btrfs_key found_key;
+ struct btrfs_extent_ref *ref;
+ struct btrfs_dev_extent *dev_extent;
u32 type;
- printk("leaf %Lu total ptrs %d free space %d\n",
- btrfs_header_blocknr(&l->header), nr,
+ printk(KERN_INFO "leaf %llu total ptrs %d free space %d\n",
+ (unsigned long long)btrfs_header_bytenr(l), nr,
btrfs_leaf_free_space(root, l));
for (i = 0 ; i < nr ; i++) {
- item = l->items + i;
- type = btrfs_disk_key_type(&item->key);
- printk("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
+ item = btrfs_item_nr(l, i);
+ btrfs_item_key_to_cpu(l, &key, i);
+ type = btrfs_key_type(&key);
+ printk(KERN_INFO "\titem %d key (%llu %x %llu) itemoff %d "
+ "itemsize %d\n",
i,
- btrfs_disk_key_objectid(&item->key),
- btrfs_disk_key_flags(&item->key),
- btrfs_disk_key_offset(&item->key),
- btrfs_item_offset(item),
- btrfs_item_size(item));
+ (unsigned long long)key.objectid, type,
+ (unsigned long long)key.offset,
+ btrfs_item_offset(l, item), btrfs_item_size(l, item));
switch (type) {
case BTRFS_INODE_ITEM_KEY:
ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
- printk("\t\tinode generation %Lu size %Lu mode %o\n",
- btrfs_inode_generation(ii),
- btrfs_inode_size(ii),
- btrfs_inode_mode(ii));
+ printk(KERN_INFO "\t\tinode generation %llu size %llu "
+ "mode %o\n",
+ (unsigned long long)
+ btrfs_inode_generation(l, ii),
+ (unsigned long long)btrfs_inode_size(l, ii),
+ btrfs_inode_mode(l, ii));
break;
case BTRFS_DIR_ITEM_KEY:
di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
- printk("\t\tdir oid %Lu flags %u type %u\n",
- btrfs_disk_key_objectid(&di->location),
- btrfs_dir_flags(di),
- btrfs_dir_type(di));
- printk("\t\tname %.*s\n",
- btrfs_dir_name_len(di),(char *)(di + 1));
+ btrfs_dir_item_key_to_cpu(l, di, &found_key);
+ printk(KERN_INFO "\t\tdir oid %llu type %u\n",
+ (unsigned long long)found_key.objectid,
+ btrfs_dir_type(l, di));
break;
case BTRFS_ROOT_ITEM_KEY:
ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
- printk("\t\troot data blocknr %Lu refs %u\n",
- btrfs_root_blocknr(ri), btrfs_root_refs(ri));
+ printk(KERN_INFO "\t\troot data bytenr %llu refs %u\n",
+ (unsigned long long)
+ btrfs_disk_root_bytenr(l, ri),
+ btrfs_disk_root_refs(l, ri));
break;
case BTRFS_EXTENT_ITEM_KEY:
ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
- printk("\t\textent data refs %u\n",
- btrfs_extent_refs(ei));
+ printk(KERN_INFO "\t\textent data refs %u\n",
+ btrfs_extent_refs(l, ei));
break;
- case BTRFS_STRING_ITEM_KEY:
- printk("\t\titem data %.*s\n", btrfs_item_size(item),
- btrfs_leaf_data(l) + btrfs_item_offset(item));
+ case BTRFS_EXTENT_REF_KEY:
+ ref = btrfs_item_ptr(l, i, struct btrfs_extent_ref);
+ printk(KERN_INFO "\t\textent back ref root %llu "
+ "gen %llu owner %llu num_refs %lu\n",
+ (unsigned long long)btrfs_ref_root(l, ref),
+ (unsigned long long)btrfs_ref_generation(l, ref),
+ (unsigned long long)btrfs_ref_objectid(l, ref),
+ (unsigned long)btrfs_ref_num_refs(l, ref));
break;
+
+ case BTRFS_EXTENT_DATA_KEY:
+ fi = btrfs_item_ptr(l, i,
+ struct btrfs_file_extent_item);
+ if (btrfs_file_extent_type(l, fi) ==
+ BTRFS_FILE_EXTENT_INLINE) {
+ printk(KERN_INFO "\t\tinline extent data "
+ "size %u\n",
+ btrfs_file_extent_inline_len(l, fi));
+ break;
+ }
+ printk(KERN_INFO "\t\textent data disk bytenr %llu "
+ "nr %llu\n",
+ (unsigned long long)
+ btrfs_file_extent_disk_bytenr(l, fi),
+ (unsigned long long)
+ btrfs_file_extent_disk_num_bytes(l, fi));
+ printk(KERN_INFO "\t\textent data offset %llu "
+ "nr %llu ram %llu\n",
+ (unsigned long long)
+ btrfs_file_extent_offset(l, fi),
+ (unsigned long long)
+ btrfs_file_extent_num_bytes(l, fi),
+ (unsigned long long)
+ btrfs_file_extent_ram_bytes(l, fi));
+ break;
+ case BTRFS_BLOCK_GROUP_ITEM_KEY:
+ bi = btrfs_item_ptr(l, i,
+ struct btrfs_block_group_item);
+ printk(KERN_INFO "\t\tblock group used %llu\n",
+ (unsigned long long)
+ btrfs_disk_block_group_used(l, bi));
+ break;
+ case BTRFS_CHUNK_ITEM_KEY:
+ print_chunk(l, btrfs_item_ptr(l, i,
+ struct btrfs_chunk));
+ break;
+ case BTRFS_DEV_ITEM_KEY:
+ print_dev_item(l, btrfs_item_ptr(l, i,
+ struct btrfs_dev_item));
+ break;
+ case BTRFS_DEV_EXTENT_KEY:
+ dev_extent = btrfs_item_ptr(l, i,
+ struct btrfs_dev_extent);
+ printk(KERN_INFO "\t\tdev extent chunk_tree %llu\n"
+ "\t\tchunk objectid %llu chunk offset %llu "
+ "length %llu\n",
+ (unsigned long long)
+ btrfs_dev_extent_chunk_tree(l, dev_extent),
+ (unsigned long long)
+ btrfs_dev_extent_chunk_objectid(l, dev_extent),
+ (unsigned long long)
+ btrfs_dev_extent_chunk_offset(l, dev_extent),
+ (unsigned long long)
+ btrfs_dev_extent_length(l, dev_extent));
};
}
}
-void btrfs_print_tree(struct btrfs_root *root, struct buffer_head *t)
+void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
{
- int i;
- u32 nr;
- struct btrfs_node *c;
+ int i; u32 nr;
+ struct btrfs_key key;
+ int level;
- if (!t)
+ if (!c)
return;
- c = btrfs_buffer_node(t);
- nr = btrfs_header_nritems(&c->header);
- if (btrfs_is_leaf(c)) {
- btrfs_print_leaf(root, (struct btrfs_leaf *)c);
+ nr = btrfs_header_nritems(c);
+ level = btrfs_header_level(c);
+ if (level == 0) {
+ btrfs_print_leaf(root, c);
return;
}
- printk("node %Lu level %d total ptrs %d free spc %u\n",
- btrfs_header_blocknr(&c->header),
- btrfs_header_level(&c->header), nr,
+ printk(KERN_INFO "node %llu level %d total ptrs %d free spc %u\n",
+ (unsigned long long)btrfs_header_bytenr(c),
+ btrfs_header_level(c), nr,
(u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
for (i = 0; i < nr; i++) {
- printk("\tkey %d (%Lu %u %Lu) block %Lu\n",
+ btrfs_node_key_to_cpu(c, &key, i);
+ printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n",
i,
- c->ptrs[i].key.objectid,
- c->ptrs[i].key.flags,
- c->ptrs[i].key.offset,
- btrfs_node_blockptr(c, i));
+ (unsigned long long)key.objectid,
+ key.type,
+ (unsigned long long)key.offset,
+ (unsigned long long)btrfs_node_blockptr(c, i));
}
for (i = 0; i < nr; i++) {
- struct buffer_head *next_buf = read_tree_block(root,
- btrfs_node_blockptr(c, i));
- struct btrfs_node *next = btrfs_buffer_node(next_buf);
+ struct extent_buffer *next = read_tree_block(root,
+ btrfs_node_blockptr(c, i),
+ btrfs_level_size(root, level - 1),
+ btrfs_node_ptr_generation(c, i));
if (btrfs_is_leaf(next) &&
- btrfs_header_level(&c->header) != 1)
+ btrfs_header_level(c) != 1)
BUG();
- if (btrfs_header_level(&next->header) !=
- btrfs_header_level(&c->header) - 1)
+ if (btrfs_header_level(next) !=
+ btrfs_header_level(c) - 1)
BUG();
- btrfs_print_tree(root, next_buf);
- btrfs_block_release(root, next_buf);
+ btrfs_print_tree(root, next);
+ free_extent_buffer(next);
}
}
-