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Btrfs: Use a chunk of the key flags to record the item type.

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Add (untested and simple) directory item code
Fix comp_keys to use the new key ordering
Add btrfs_insert_empty_item

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-15 12:56:47 -04:00
committed by David Woodhouse
parent a1516c8921
commit 62e2749e03
14 changed files with 435 additions and 109 deletions
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36
fs/btrfs/print-tree.c
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@@ -12,27 +12,41 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
struct btrfs_item *item;
struct btrfs_extent_item *ei;
struct btrfs_root_item *ri;
u32 type;
printf("leaf %Lu total ptrs %d free space %d\n",
btrfs_header_blocknr(&l->header), nr,
btrfs_leaf_free_space(root, 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 %Lu %u) itemoff %d itemsize %d\n",
i,
btrfs_key_objectid(&item->key),
btrfs_key_offset(&item->key),
btrfs_key_flags(&item->key),
btrfs_disk_key_objectid(&item->key),
btrfs_disk_key_offset(&item->key),
btrfs_disk_key_flags(&item->key),
btrfs_item_offset(item),
btrfs_item_size(item));
printf("\t\titem data %.*s\n", btrfs_item_size(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));
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));
switch (type) {
case BTRFS_INODE_ITEM_KEY:
break;
case BTRFS_DIR_ITEM_KEY:
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));
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));
break;
case BTRFS_STRING_ITEM_KEY:
printf("\t\titem data %.*s\n", btrfs_item_size(item),
btrfs_leaf_data(l) + btrfs_item_offset(item));
break;
};
fflush(stdout);
}
}