{
u32 nr = btrfs_header_nritems(leaf);
if (nr == 0)
- return BTRFS_LEAF_DATA_SIZE(root);
+ return BTRFS_LEAF_DATA_SIZE(root->fs_info);
return btrfs_item_offset_nr(leaf, nr - 1);
}
goto fail;
}
if (i == 0 && btrfs_item_end_nr(buf, i) !=
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
ret = BTRFS_TREE_BLOCK_INVALID_OFFSETS;
fprintf(stderr, "bad item end %u wanted %u\n",
btrfs_item_end_nr(buf, i),
- (unsigned)BTRFS_LEAF_DATA_SIZE(root));
+ (unsigned)BTRFS_LEAF_DATA_SIZE(root->fs_info));
goto fail;
}
}
for (i = 0; i < nritems; i++) {
- if (btrfs_item_end_nr(buf, i) > BTRFS_LEAF_DATA_SIZE(root)) {
+ if (btrfs_item_end_nr(buf, i) >
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
btrfs_item_key(buf, &key, 0);
btrfs_print_key(&key);
fflush(stdout);
ret = BTRFS_TREE_BLOCK_INVALID_OFFSETS;
fprintf(stderr, "slot end outside of leaf %llu > %llu\n",
(unsigned long long)btrfs_item_end_nr(buf, i),
- (unsigned long long)BTRFS_LEAF_DATA_SIZE(root));
+ (unsigned long long)BTRFS_LEAF_DATA_SIZE(
+ root->fs_info));
goto fail;
}
}
return NULL;
return read_tree_block(fs_info, btrfs_node_blockptr(parent, slot),
- fs_info->nodesize,
btrfs_node_ptr_generation(parent, slot));
}
int direction = path->reada;
struct extent_buffer *eb;
u32 nr;
- u32 blocksize;
u32 nscan = 0;
if (level != 1)
node = path->nodes[level];
search = btrfs_node_blockptr(node, slot);
- blocksize = fs_info->nodesize;
- eb = btrfs_find_tree_block(fs_info, search, blocksize);
+ eb = btrfs_find_tree_block(fs_info, search, fs_info->nodesize);
if (eb) {
free_extent_buffer(eb);
return;
if ((search >= lowest_read && search <= highest_read) ||
(search < lowest_read && lowest_read - search <= 32768) ||
(search > highest_read && search - highest_read <= 32768)) {
- readahead_tree_block(fs_info, search, blocksize,
+ readahead_tree_block(fs_info, search,
btrfs_node_ptr_generation(node, nr));
- nread += blocksize;
+ nread += fs_info->nodesize;
}
nscan++;
if (path->reada < 2 && (nread > SZ_256K || nscan > 32))
*/
int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf)
{
- u32 nodesize = (root ? BTRFS_LEAF_DATA_SIZE(root) : leaf->len);
+ u32 nodesize = (root ? BTRFS_LEAF_DATA_SIZE(root->fs_info) : leaf->len);
int nritems = btrfs_header_nritems(leaf);
int ret;
ret = nodesize - leaf_space_used(leaf, 0, nritems);
memmove_extent_buffer(right,
btrfs_leaf_data(right) + data_end - push_space,
btrfs_leaf_data(right) + data_end,
- BTRFS_LEAF_DATA_SIZE(root) - data_end);
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) - data_end);
/* copy from the left data area */
copy_extent_buffer(right, left, btrfs_leaf_data(right) +
- BTRFS_LEAF_DATA_SIZE(root) - push_space,
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) - push_space,
btrfs_leaf_data(left) + leaf_data_end(root, left),
push_space);
/* update the item pointers */
right_nritems += push_items;
btrfs_set_header_nritems(right, right_nritems);
- push_space = BTRFS_LEAF_DATA_SIZE(root);
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info);
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
push_space -= btrfs_item_size(right, item);
btrfs_item_nr_offset(0),
push_items * sizeof(struct btrfs_item));
- push_space = BTRFS_LEAF_DATA_SIZE(root) -
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info) -
btrfs_item_offset_nr(right, push_items -1);
copy_extent_buffer(left, right, btrfs_leaf_data(left) +
item = btrfs_item_nr(i);
ioff = btrfs_item_offset(left, item);
btrfs_set_item_offset(left, item,
- ioff - (BTRFS_LEAF_DATA_SIZE(root) - old_left_item_size));
+ ioff - (BTRFS_LEAF_DATA_SIZE(root->fs_info) -
+ old_left_item_size));
}
btrfs_set_header_nritems(left, old_left_nritems + push_items);
push_space = btrfs_item_offset_nr(right, push_items - 1) -
leaf_data_end(root, right);
memmove_extent_buffer(right, btrfs_leaf_data(right) +
- BTRFS_LEAF_DATA_SIZE(root) - push_space,
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) -
+ push_space,
btrfs_leaf_data(right) +
leaf_data_end(root, right), push_space);
}
right_nritems -= push_items;
btrfs_set_header_nritems(right, right_nritems);
- push_space = BTRFS_LEAF_DATA_SIZE(root);
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info);
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
push_space = push_space - btrfs_item_size(right, item);
nritems * sizeof(struct btrfs_item));
copy_extent_buffer(right, l,
- btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(root) -
+ btrfs_leaf_data(right) +
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) -
data_copy_size, btrfs_leaf_data(l) +
leaf_data_end(root, l), data_copy_size);
- rt_data_off = BTRFS_LEAF_DATA_SIZE(root) -
+ rt_data_off = BTRFS_LEAF_DATA_SIZE(root->fs_info) -
btrfs_item_end_nr(l, mid);
for (i = 0; i < nritems; i++) {
l = path->nodes[0];
slot = path->slots[0];
if (extend && data_size + btrfs_item_size_nr(l, slot) +
- sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root))
+ sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root->fs_info))
return -EOVERFLOW;
/* first try to make some room by pushing left and right */
if (mid <= slot) {
if (nritems == 1 ||
leaf_space_used(l, mid, nritems - mid) + data_size >
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (slot >= nritems) {
split = 0;
} else {
mid = slot;
if (mid != nritems &&
leaf_space_used(l, mid, nritems - mid) +
- data_size > BTRFS_LEAF_DATA_SIZE(root)) {
+ data_size >
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
split = 2;
}
}
}
} else {
if (leaf_space_used(l, 0, mid) + data_size >
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (!extend && data_size && slot == 0) {
split = 0;
} else if ((extend || !data_size) && slot == 0) {
mid = slot;
if (mid != nritems &&
leaf_space_used(l, mid, nritems - mid) +
- data_size > BTRFS_LEAF_DATA_SIZE(root)) {
+ data_size >
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
split = 2 ;
}
}
}
/* delete the leaf if it is mostly empty */
- if (used < BTRFS_LEAF_DATA_SIZE(root) / 4) {
+ if (used < BTRFS_LEAF_DATA_SIZE(root->fs_info) / 4) {
/* push_leaf_left fixes the path.
* make sure the path still points to our leaf
* for possible call to del_ptr below