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Btrfs: variable block size support

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-14 14:14:43 -04:00
committed by David Woodhouse
parent 4beb1b8b75
commit 123abc88c9
10 changed files with 238 additions and 300 deletions
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15
fs/btrfs/print-tree.c
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@@ -5,7 +5,7 @@
#include "ctree.h"
#include "disk-io.h"
void btrfs_print_leaf(struct btrfs_leaf *l)
void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
{
int i;
u32 nr = btrfs_header_nritems(&l->header);
@@ -13,7 +13,8 @@ void btrfs_print_leaf(struct btrfs_leaf *l)
struct btrfs_extent_item *ei;
struct btrfs_root_item *ri;
printf("leaf %Lu total ptrs %d free space %d\n",
btrfs_header_blocknr(&l->header), nr, btrfs_leaf_free_space(l));
btrfs_header_blocknr(&l->header), nr,
btrfs_leaf_free_space(root, l));
fflush(stdout);
for (i = 0 ; i < nr ; i++) {
item = l->items + i;
@@ -25,7 +26,7 @@ void btrfs_print_leaf(struct btrfs_leaf *l)
btrfs_item_offset(item),
btrfs_item_size(item));
printf("\t\titem data %.*s\n", btrfs_item_size(item),
l->data + btrfs_item_offset(item));
btrfs_leaf_data(l) + btrfs_item_offset(item));
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));
@@ -46,18 +47,18 @@ void btrfs_print_tree(struct btrfs_root *root, struct btrfs_buffer *t)
c = &t->node;
nr = btrfs_header_nritems(&c->header);
if (btrfs_is_leaf(c)) {
btrfs_print_leaf((struct btrfs_leaf *)c);
btrfs_print_leaf(root, (struct btrfs_leaf *)c);
return;
}
printf("node %Lu level %d total ptrs %d free spc %u\n", t->blocknr,
btrfs_header_level(&c->header), nr,
(u32)NODEPTRS_PER_BLOCK - nr);
(u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
fflush(stdout);
for (i = 0; i < nr; i++) {
printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
i,
c->keys[i].objectid, c->keys[i].flags, c->keys[i].offset,
btrfs_node_blockptr(c, i));
c->ptrs[i].key.objectid, c->ptrs[i].key.flags,
c->ptrs[i].key.offset, btrfs_node_blockptr(c, i));
fflush(stdout);
}
for (i = 0; i < nr; i++) {