{
int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
int i;
- printk("\t\tchunk owner %llu type %llu num_stripes %d\n",
+ 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("\t\t\tstripe %d devid %llu offset %llu\n", 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("\t\tdev item devid %llu "
- "total_bytes %llu bytes used %Lu\n",
+ 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));
}
+static void print_extent_data_ref(struct extent_buffer *eb,
+ struct btrfs_extent_data_ref *ref)
+{
+ printk(KERN_INFO "\t\textent data backref root %llu "
+ "objectid %llu offset %llu count %u\n",
+ (unsigned long long)btrfs_extent_data_ref_root(eb, ref),
+ (unsigned long long)btrfs_extent_data_ref_objectid(eb, ref),
+ (unsigned long long)btrfs_extent_data_ref_offset(eb, ref),
+ btrfs_extent_data_ref_count(eb, ref));
+}
+
+static void print_extent_item(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_extent_item *ei;
+ struct btrfs_extent_inline_ref *iref;
+ struct btrfs_extent_data_ref *dref;
+ struct btrfs_shared_data_ref *sref;
+ struct btrfs_disk_key key;
+ unsigned long end;
+ unsigned long ptr;
+ int type;
+ u32 item_size = btrfs_item_size_nr(eb, slot);
+ u64 flags;
+ u64 offset;
+
+ if (item_size < sizeof(*ei)) {
+#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
+ struct btrfs_extent_item_v0 *ei0;
+ BUG_ON(item_size != sizeof(*ei0));
+ ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
+ printk(KERN_INFO "\t\textent refs %u\n",
+ btrfs_extent_refs_v0(eb, ei0));
+ return;
+#else
+ BUG();
+#endif
+ }
+
+ ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
+ flags = btrfs_extent_flags(eb, ei);
+
+ printk(KERN_INFO "\t\textent refs %llu gen %llu flags %llu\n",
+ (unsigned long long)btrfs_extent_refs(eb, ei),
+ (unsigned long long)btrfs_extent_generation(eb, ei),
+ (unsigned long long)flags);
+
+ if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
+ struct btrfs_tree_block_info *info;
+ info = (struct btrfs_tree_block_info *)(ei + 1);
+ btrfs_tree_block_key(eb, info, &key);
+ printk(KERN_INFO "\t\ttree block key (%llu %x %llu) "
+ "level %d\n",
+ (unsigned long long)btrfs_disk_key_objectid(&key),
+ key.type,
+ (unsigned long long)btrfs_disk_key_offset(&key),
+ btrfs_tree_block_level(eb, info));
+ iref = (struct btrfs_extent_inline_ref *)(info + 1);
+ } else {
+ iref = (struct btrfs_extent_inline_ref *)(ei + 1);
+ }
+
+ ptr = (unsigned long)iref;
+ end = (unsigned long)ei + item_size;
+ while (ptr < end) {
+ iref = (struct btrfs_extent_inline_ref *)ptr;
+ type = btrfs_extent_inline_ref_type(eb, iref);
+ offset = btrfs_extent_inline_ref_offset(eb, iref);
+ switch (type) {
+ case BTRFS_TREE_BLOCK_REF_KEY:
+ printk(KERN_INFO "\t\ttree block backref "
+ "root %llu\n", (unsigned long long)offset);
+ break;
+ case BTRFS_SHARED_BLOCK_REF_KEY:
+ printk(KERN_INFO "\t\tshared block backref "
+ "parent %llu\n", (unsigned long long)offset);
+ break;
+ case BTRFS_EXTENT_DATA_REF_KEY:
+ dref = (struct btrfs_extent_data_ref *)(&iref->offset);
+ print_extent_data_ref(eb, dref);
+ break;
+ case BTRFS_SHARED_DATA_REF_KEY:
+ sref = (struct btrfs_shared_data_ref *)(iref + 1);
+ printk(KERN_INFO "\t\tshared data backref "
+ "parent %llu count %u\n",
+ (unsigned long long)offset,
+ btrfs_shared_data_ref_count(eb, sref));
+ break;
+ default:
+ BUG();
+ }
+ ptr += btrfs_extent_inline_ref_size(type);
+ }
+ WARN_ON(ptr > end);
+}
+
+#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
+static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_extent_ref_v0 *ref0;
+
+ ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0);
+ printk("\t\textent back ref root %llu gen %llu "
+ "owner %llu num_refs %lu\n",
+ (unsigned long long)btrfs_ref_root_v0(eb, ref0),
+ (unsigned long long)btrfs_ref_generation_v0(eb, ref0),
+ (unsigned long long)btrfs_ref_objectid_v0(eb, ref0),
+ (unsigned long)btrfs_ref_count_v0(eb, ref0));
+}
+#endif
+
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
{
int i;
+ u32 type;
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_extent_data_ref *dref;
+ struct btrfs_shared_data_ref *sref;
+ struct btrfs_dev_extent *dev_extent;
struct btrfs_key key;
struct btrfs_key found_key;
- struct btrfs_extent_ref *ref;
- struct btrfs_dev_extent *dev_extent;
- u32 type;
- printk("leaf %llu total ptrs %d free space %d\n",
+ 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 = btrfs_item_nr(l, i);
btrfs_item_key_to_cpu(l, &key, i);
type = btrfs_key_type(&key);
- printk("\titem %d key (%llu %x %llu) itemoff %d itemsize %d\n",
+ printk(KERN_INFO "\titem %d key (%llu %x %llu) itemoff %d "
+ "itemsize %d\n",
i,
(unsigned long long)key.objectid, type,
(unsigned long long)key.offset,
switch (type) {
case BTRFS_INODE_ITEM_KEY:
ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
- printk("\t\tinode generation %llu size %llu mode %o\n",
- (unsigned long long)btrfs_inode_generation(l, 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);
btrfs_dir_item_key_to_cpu(l, di, &found_key);
- printk("\t\tdir oid %llu type %u\n",
+ 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 bytenr %llu refs %u\n",
- (unsigned long long)btrfs_disk_root_bytenr(l, 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(l, ei));
- break;
- case BTRFS_EXTENT_REF_KEY:
- ref = btrfs_item_ptr(l, i, struct btrfs_extent_ref);
- printk("\t\textent back ref root %llu gen %llu "
- "owner %llu offset %llu\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 long)btrfs_ref_offset(l, ref));
+ print_extent_item(l, i);
+ break;
+ case BTRFS_TREE_BLOCK_REF_KEY:
+ printk(KERN_INFO "\t\ttree block backref\n");
+ break;
+ case BTRFS_SHARED_BLOCK_REF_KEY:
+ printk(KERN_INFO "\t\tshared block backref\n");
+ break;
+ case BTRFS_EXTENT_DATA_REF_KEY:
+ dref = btrfs_item_ptr(l, i,
+ struct btrfs_extent_data_ref);
+ print_extent_data_ref(l, dref);
+ break;
+ case BTRFS_SHARED_DATA_REF_KEY:
+ sref = btrfs_item_ptr(l, i,
+ struct btrfs_shared_data_ref);
+ printk(KERN_INFO "\t\tshared data backref count %u\n",
+ btrfs_shared_data_ref_count(l, sref));
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("\t\tinline extent data size %u\n",
- btrfs_file_extent_inline_len(l, item));
+ printk(KERN_INFO "\t\tinline extent data "
+ "size %u\n",
+ btrfs_file_extent_inline_len(l, fi));
break;
}
- printk("\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("\t\textent data offset %llu nr %llu\n",
- (unsigned long long)btrfs_file_extent_offset(l, fi),
- (unsigned long long)btrfs_file_extent_num_bytes(l, fi));
+ 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_EXTENT_REF_V0_KEY:
+#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
+ print_extent_ref_v0(l, i);
+#else
+ BUG();
+#endif
case BTRFS_BLOCK_GROUP_ITEM_KEY:
bi = btrfs_item_ptr(l, i,
struct btrfs_block_group_item);
- printk("\t\tblock group used %llu\n",
- (unsigned long long)btrfs_disk_block_group_used(l, bi));
+ 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));
+ 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,
case BTRFS_DEV_EXTENT_KEY:
dev_extent = btrfs_item_ptr(l, i,
struct btrfs_dev_extent);
- printk("\t\tdev extent owner %llu length %llu\n",
- (unsigned long long)btrfs_dev_extent_owner(l, dev_extent),
- (unsigned long long)btrfs_dev_extent_length(l, 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 extent_buffer *c)
{
- int i;
- u32 nr;
+ int i; u32 nr;
struct btrfs_key key;
int level;
btrfs_print_leaf(root, c);
return;
}
- printk("node %llu level %d total ptrs %d free spc %u\n",
+ 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,
+ level, nr,
(u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
for (i = 0; i < nr; i++) {
btrfs_node_key_to_cpu(c, &key, i);
- printk("\tkey %d (%llu %u %llu) block %llu\n",
+ printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n",
i,
(unsigned long long)key.objectid,
key.type,
for (i = 0; i < nr; i++) {
struct extent_buffer *next = read_tree_block(root,
btrfs_node_blockptr(c, i),
- btrfs_level_size(root, level - 1));
+ btrfs_level_size(root, level - 1),
+ btrfs_node_ptr_generation(c, i));
if (btrfs_is_leaf(next) &&
- btrfs_header_level(c) != 1)
+ level != 1)
BUG();
if (btrfs_header_level(next) !=
- btrfs_header_level(c) - 1)
+ level - 1)
BUG();
btrfs_print_tree(root, next);
free_extent_buffer(next);
}
}
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff