+/*
+ * 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 <stdio.h>
#include <stdlib.h>
+#include <uuid/uuid.h>
#include "kerncompat.h"
#include "radix-tree.h"
#include "ctree.h"
#include "disk-io.h"
-void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
+static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item,
+ struct btrfs_dir_item *di)
+{
+ u32 total;
+ u32 cur = 0;
+ u32 len;
+ u32 name_len;
+ u32 data_len;
+ char namebuf[BTRFS_NAME_LEN];
+ struct btrfs_disk_key location;
+
+ total = btrfs_item_size(eb, item);
+ while(cur < total) {
+ btrfs_dir_item_key(eb, di, &location);
+ printf("\t\tdir index %llu type %u\n",
+ (unsigned long long)btrfs_disk_key_objectid(&location),
+ btrfs_dir_type(eb, di));
+ name_len = btrfs_dir_name_len(eb, di);
+ data_len = btrfs_dir_data_len(eb, di);
+ len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
+ read_extent_buffer(eb, namebuf, (unsigned long)(di + 1), len);
+ printf("\t\tnamelen %u datalen %u name: %.*s\n",
+ name_len, data_len, len, namebuf);
+ len = sizeof(*di) + name_len + data_len;
+ di = (struct btrfs_dir_item *)((char *)di + len);
+ cur += len;
+ }
+ return 0;
+}
+
+static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item,
+ struct btrfs_inode_ref *ref)
+{
+ u32 total;
+ u32 cur = 0;
+ u32 len;
+ u32 name_len;
+ u64 index;
+ char namebuf[BTRFS_NAME_LEN];
+ total = btrfs_item_size(eb, item);
+ while(cur < total) {
+ name_len = btrfs_inode_ref_name_len(eb, ref);
+ index = btrfs_inode_ref_index(eb, ref);
+ len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
+ read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
+ printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
+ index, name_len, len, namebuf);
+ len = sizeof(*ref) + name_len;
+ ref = (struct btrfs_inode_ref *)((char *)ref + len);
+ cur += len;
+ }
+ return 0;
+}
+
+static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+{
+ int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+ int i;
+ printf("\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++) {
+ printf("\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)
+{
+ printf("\t\tdev item devid %llu "
+ "total_bytes %llu bytes used %Lu\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));
+}
+
+static void print_uuids(struct extent_buffer *eb)
+{
+ char fs_uuid[37];
+ char chunk_uuid[37];
+ u8 disk_uuid[BTRFS_UUID_SIZE];
+
+ read_extent_buffer(eb, disk_uuid, (unsigned long)btrfs_header_fsid(eb),
+ BTRFS_FSID_SIZE);
+
+ fs_uuid[36] = '\0';
+ uuid_unparse(disk_uuid, fs_uuid);
+
+ read_extent_buffer(eb, disk_uuid,
+ (unsigned long)btrfs_header_chunk_tree_uuid(eb),
+ BTRFS_UUID_SIZE);
+
+ chunk_uuid[36] = '\0';
+ uuid_unparse(disk_uuid, chunk_uuid);
+ printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
+}
+
+static void print_file_extent_item(struct extent_buffer *eb,
+ struct btrfs_item *item,
+ struct btrfs_file_extent_item *fi)
+{
+ int extent_type = btrfs_file_extent_type(eb, fi);
+
+ if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
+ printf("\t\tinline extent data size %u "
+ "ram %llu compress %d\n",
+ btrfs_file_extent_inline_len(eb, item),
+ (unsigned long long) btrfs_file_extent_ram_bytes(eb, fi),
+ btrfs_file_extent_compression(eb, fi));
+ return;
+ }
+ if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
+ printf("\t\tprealloc data disk byte %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+ (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+ printf("\t\tprealloc data offset %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_offset(eb, fi),
+ (unsigned long long)btrfs_file_extent_num_bytes(eb, fi));
+ return;
+ }
+ printf("\t\textent data disk byte %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+ (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+ printf("\t\textent data offset %llu nr %llu ram %llu\n",
+ (unsigned long long)btrfs_file_extent_offset(eb, fi),
+ (unsigned long long)btrfs_file_extent_num_bytes(eb, fi),
+ (unsigned long long)btrfs_file_extent_ram_bytes(eb, fi));
+ printf("\t\textent compression %d\n",
+ btrfs_file_extent_compression(eb, fi));
+}
+
+
+static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag)
+{
+ struct btrfs_root_ref *ref;
+ char namebuf[BTRFS_NAME_LEN];
+ int namelen;
+
+ ref = btrfs_item_ptr(leaf, slot, struct btrfs_root_ref);
+ namelen = btrfs_root_ref_name_len(leaf, ref);
+ read_extent_buffer(leaf, namebuf, (unsigned long)(ref + 1), namelen);
+ printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag,
+ (unsigned long long)btrfs_root_ref_dirid(leaf, ref),
+ (unsigned long long)btrfs_root_ref_sequence(leaf, ref),
+ namelen, namebuf);
+}
+
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
{
int i;
- u32 nr = btrfs_header_nritems(&l->header);
+ char *str;
struct btrfs_item *item;
struct btrfs_extent_item *ei;
struct btrfs_root_item *ri;
struct btrfs_dir_item *di;
- struct btrfs_inode_map_item *mi;
struct btrfs_inode_item *ii;
+ struct btrfs_file_extent_item *fi;
+ struct btrfs_csum_item *ci;
+ struct btrfs_block_group_item *bi;
+ struct btrfs_extent_ref *ref;
+ struct btrfs_inode_ref *iref;
+ struct btrfs_dev_extent *dev_extent;
+ struct btrfs_disk_key disk_key;
+ struct btrfs_root_item root_item;
+ struct btrfs_block_group_item bg_item;
+ u32 nr = btrfs_header_nritems(l);
u32 type;
- printf("leaf %Lu total ptrs %d free space %d\n",
- btrfs_header_blocknr(&l->header), nr,
- btrfs_leaf_free_space(root, l));
+ printf("leaf %llu ptrs %d free space %d generation %llu owner %llu\n",
+ (unsigned long long)btrfs_header_bytenr(l), nr,
+ btrfs_leaf_free_space(root, l),
+ (unsigned long long)btrfs_header_generation(l),
+ (unsigned long long)btrfs_header_owner(l));
+ print_uuids(l);
fflush(stdout);
for (i = 0 ; i < nr ; i++) {
- item = l->items + i;
- type = btrfs_disk_key_type(&item->key);
- printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
+ item = btrfs_item_nr(l, i);
+ btrfs_item_key(l, &disk_key, i);
+ type = btrfs_disk_key_type(&disk_key);
+ printf("\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)btrfs_disk_key_objectid(&disk_key),
+ btrfs_disk_key_type(&disk_key),
+ (unsigned long long)btrfs_disk_key_offset(&disk_key),
+ 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);
- printf("\t\tinode generation %Lu size %Lu mode %o\n",
- btrfs_inode_generation(ii),
- btrfs_inode_size(ii),
- btrfs_inode_mode(ii));
+ printf("\t\tinode generation %llu size %llu block group %llu mode %o links %u\n",
+ (unsigned long long)btrfs_inode_generation(l, ii),
+ (unsigned long long)btrfs_inode_size(l, ii),
+ (unsigned long long)btrfs_inode_block_group(l,ii),
+ btrfs_inode_mode(l, ii),
+ btrfs_inode_nlink(l, ii));
+ break;
+ case BTRFS_INODE_REF_KEY:
+ iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref);
+ print_inode_ref_item(l, item, iref);
break;
case BTRFS_DIR_ITEM_KEY:
+ case BTRFS_DIR_INDEX_KEY:
+ case BTRFS_XATTR_ITEM_KEY:
di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
- printf("\t\tdir oid %Lu flags %u type %u\n",
- btrfs_dir_objectid(di),
- btrfs_dir_flags(di),
- btrfs_dir_type(di));
- printf("\t\tname %.*s\n",
- btrfs_dir_name_len(di),(char *)(di + 1));
+ print_dir_item(l, item, di);
+ break;
+ case BTRFS_ORPHAN_ITEM_KEY:
+ printf("\t\torphan item\n");
break;
case BTRFS_ROOT_ITEM_KEY:
ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
- printf("\t\troot data blocknr %Lu refs %u\n",
- btrfs_root_blocknr(ri), btrfs_root_refs(ri));
+ read_extent_buffer(l, &root_item, (unsigned long)ri, sizeof(root_item));
+ printf("\t\troot data bytenr %llu level %d dirid %llu refs %u\n",
+ (unsigned long long)btrfs_root_bytenr(&root_item),
+ btrfs_root_level(&root_item),
+ (unsigned long long)btrfs_root_dirid(&root_item),
+ btrfs_root_refs(&root_item));
+ if (1 || btrfs_root_refs(&root_item) == 0) {
+ struct btrfs_key drop_key;
+ btrfs_disk_key_to_cpu(&drop_key,
+ &root_item.drop_progress);
+ printf("\t\tdrop key %Lu %x %Lu level %d\n",
+ (unsigned long long)drop_key.objectid,
+ drop_key.type,
+ (unsigned long long)drop_key.offset,
+ root_item.drop_level);
+ }
+ break;
+ case BTRFS_ROOT_REF_KEY:
+ print_root_ref(l, i, "ref");
+ break;
+ case BTRFS_ROOT_BACKREF_KEY:
+ print_root_ref(l, i, "backref");
break;
case BTRFS_EXTENT_ITEM_KEY:
ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
- printf("\t\textent data refs %u owner %Lu\n",
- btrfs_extent_refs(ei), btrfs_extent_owner(ei));
+ printf("\t\textent data refs %u\n",
+ btrfs_extent_refs(l, ei));
+ break;
+ case BTRFS_EXTENT_REF_KEY:
+ ref = btrfs_item_ptr(l, i, struct btrfs_extent_ref);
+ printf("\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_INODE_MAP_ITEM_KEY:
- mi = btrfs_item_ptr(l, i, struct btrfs_inode_map_item);
- printf("\t\tinode map key %Lu %u %Lu\n",
- btrfs_disk_key_objectid(&mi->key),
- btrfs_disk_key_flags(&mi->key),
- btrfs_disk_key_offset(&mi->key));
+ case BTRFS_CSUM_ITEM_KEY:
+ ci = btrfs_item_ptr(l, i, struct btrfs_csum_item);
+ printf("\t\tcsum item\n");
+ break;
+ case BTRFS_EXTENT_DATA_KEY:
+ fi = btrfs_item_ptr(l, i,
+ struct btrfs_file_extent_item);
+ print_file_extent_item(l, item, fi);
+ break;
+ case BTRFS_BLOCK_GROUP_ITEM_KEY:
+ bi = btrfs_item_ptr(l, i,
+ struct btrfs_block_group_item);
+ read_extent_buffer(l, &bg_item, (unsigned long)bi,
+ sizeof(bg_item));
+ printf("\t\tblock group used %llu flags %llu\n",
+ (unsigned long long)btrfs_block_group_used(&bg_item),
+ (unsigned long long)btrfs_block_group_flags(&bg_item));
+ 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);
+ printf("\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));
break;
case BTRFS_STRING_ITEM_KEY:
- printf("\t\titem data %.*s\n", btrfs_item_size(item),
- btrfs_leaf_data(l) + btrfs_item_offset(item));
+ /* dirty, but it's simple */
+ str = l->data + btrfs_item_ptr_offset(l, i);
+ printf("\t\titem data %.*s\n", btrfs_item_size(l, item), str);
break;
};
fflush(stdout);
}
}
-void btrfs_print_tree(struct btrfs_root *root, struct btrfs_buffer *t)
+
+void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb)
{
int i;
u32 nr;
- struct btrfs_node *c;
+ u32 size;
+ struct btrfs_key key;
- if (!t)
+ if (!eb)
return;
- c = &t->node;
- nr = btrfs_header_nritems(&c->header);
- if (btrfs_is_leaf(c)) {
- btrfs_print_leaf(root, (struct btrfs_leaf *)c);
+ nr = btrfs_header_nritems(eb);
+ if (btrfs_is_leaf(eb)) {
+ btrfs_print_leaf(root, eb);
return;
}
- printf("node %Lu level %d total ptrs %d free spc %u\n", t->blocknr,
- btrfs_header_level(&c->header), nr,
- (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
+ printf("node %llu level %d ptrs %d free %u generation %llu owner %llu\n",
+ (unsigned long long)eb->start,
+ btrfs_header_level(eb), nr,
+ (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
+ (unsigned long long)btrfs_header_generation(eb),
+ (unsigned long long)btrfs_header_owner(eb));
+ print_uuids(eb);
fflush(stdout);
+ size = btrfs_level_size(root, btrfs_header_level(eb) - 1);
for (i = 0; i < nr; i++) {
- printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
+ u64 blocknr = btrfs_node_blockptr(eb, i);
+ btrfs_node_key_to_cpu(eb, &key, i);
+ printf("\tkey %d (%llu %x %llu) block %llu (%llu) gen %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)blocknr,
+ (unsigned long long)blocknr / size,
+ (unsigned long long)btrfs_node_ptr_generation(eb, i));
fflush(stdout);
}
for (i = 0; i < nr; i++) {
- struct btrfs_buffer *next_buf = read_tree_block(root,
- btrfs_node_blockptr(c, i));
- struct btrfs_node *next = &next_buf->node;
+ struct extent_buffer *next = read_tree_block(root,
+ btrfs_node_blockptr(eb, i),
+ size,
+ btrfs_node_ptr_generation(eb, i));
if (btrfs_is_leaf(next) &&
- btrfs_header_level(&c->header) != 1)
+ btrfs_header_level(eb) != 1)
BUG();
- if (btrfs_header_level(&next->header) !=
- btrfs_header_level(&c->header) - 1)
+ if (btrfs_header_level(next) !=
+ btrfs_header_level(eb) - 1)
BUG();
- btrfs_print_tree(root, next_buf);
- btrfs_block_release(root, next_buf);
+ btrfs_print_tree(root, next);
+ free_extent_buffer(next);
}
}
projects / platform / upstream / btrfs-progs.git / blobdiff