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Btrfs: Allow tree blocks larger than the page size

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-10-15 16:15:53 -04:00
parent 1a5bc167f6
commit db94535db7
15 changed files with 738 additions and 497 deletions
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23
fs/btrfs/print-tree.c
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@@ -36,7 +36,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
u32 type;
printk("leaf %llu total ptrs %d free space %d\n",
(unsigned long long)btrfs_header_blocknr(l), nr,
(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);
@@ -65,8 +65,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
break;
case BTRFS_ROOT_ITEM_KEY:
ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
printk("\t\troot data blocknr %llu refs %u\n",
(unsigned long long)btrfs_disk_root_blocknr(l, ri),
printk("\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:
@@ -84,12 +84,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
btrfs_file_extent_inline_len(l, item));
break;
}
printk("\t\textent data disk block %llu nr %llu\n",
(unsigned long long)btrfs_file_extent_disk_blocknr(l, fi),
(unsigned long long)btrfs_file_extent_disk_num_blocks(l, fi));
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_blocks(l, fi));
(unsigned long long)btrfs_file_extent_num_bytes(l, fi));
break;
case BTRFS_BLOCK_GROUP_ITEM_KEY:
bi = btrfs_item_ptr(l, i,
@@ -106,16 +106,18 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
int i;
u32 nr;
struct btrfs_key key;
int level;
if (!c)
return;
nr = btrfs_header_nritems(c);
if (btrfs_is_leaf(c)) {
level = btrfs_header_level(c);
if (level == 0) {
btrfs_print_leaf(root, c);
return;
}
printk("node %llu level %d total ptrs %d free spc %u\n",
(unsigned long long)btrfs_header_blocknr(c),
(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++) {
@@ -129,7 +131,8 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
}
for (i = 0; i < nr; i++) {
struct extent_buffer *next = read_tree_block(root,
btrfs_node_blockptr(c, i));
btrfs_node_blockptr(c, i),
btrfs_level_size(root, level - 1));
if (btrfs_is_leaf(next) &&
btrfs_header_level(c) != 1)
BUG();