Btrfs: node->blockptrs endian fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1055564..7628107 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -58,7 +58,8 @@
free_extent(root, buf->blocknr, 1);
tree_block_release(root, buf);
} else {
- parent->node.blockptrs[parent_slot] = cow->blocknr;
+ btrfs_set_node_blockptr(&parent->node, parent_slot,
+ cow->blocknr);
BUG_ON(list_empty(&parent->dirty));
free_extent(root, buf->blocknr, 1);
}
@@ -133,7 +134,7 @@
parent_key = &parent->keys[parent_slot];
BUG_ON(memcmp(parent_key, node->keys,
sizeof(struct btrfs_disk_key)));
- BUG_ON(parent->blockptrs[parent_slot] !=
+ BUG_ON(btrfs_node_blockptr(parent, parent_slot) !=
btrfs_header_blocknr(&node->header));
}
BUG_ON(nritems > NODEPTRS_PER_BLOCK);
@@ -166,7 +167,7 @@
parent_key = &parent->keys[parent_slot];
BUG_ON(memcmp(parent_key, &leaf->items[0].key,
sizeof(struct btrfs_disk_key)));
- BUG_ON(parent->blockptrs[parent_slot] !=
+ BUG_ON(btrfs_node_blockptr(parent, parent_slot) !=
btrfs_header_blocknr(&leaf->header));
}
for (i = 0; nritems > 1 && i < nritems - 2; i++) {
@@ -258,7 +259,7 @@
return NULL;
if (slot >= btrfs_header_nritems(&node->header))
return NULL;
- return read_tree_block(root, node->blockptrs[slot]);
+ return read_tree_block(root, btrfs_node_blockptr(node, slot));
}
static int balance_level(struct ctree_root *root, struct ctree_path *path,
@@ -283,7 +284,7 @@
mid_buf = path->nodes[level];
mid = &mid_buf->node;
- orig_ptr = mid->blockptrs[orig_slot];
+ orig_ptr = btrfs_node_blockptr(mid, orig_slot);
if (level < MAX_LEVEL - 1)
parent_buf = path->nodes[level + 1];
@@ -407,7 +408,8 @@
}
/* double check we haven't messed things up */
check_block(path, level);
- if (orig_ptr != path->nodes[level]->node.blockptrs[path->slots[level]])
+ if (orig_ptr != btrfs_node_blockptr(&path->nodes[level]->node,
+ path->slots[level]))
BUG();
if (right_buf)
@@ -482,7 +484,7 @@
slot = p->slots[level];
BUG_ON(btrfs_header_nritems(&c->header) == 1);
}
- b = read_tree_block(root, c->blockptrs[slot]);
+ b = read_tree_block(root, btrfs_node_blockptr(c, slot));
} else {
struct leaf *l = (struct leaf *)c;
p->slots[level] = slot;
@@ -660,7 +662,7 @@
else
lower_key = lower->keys;
memcpy(c->keys, lower_key, sizeof(struct btrfs_disk_key));
- c->blockptrs[0] = path->nodes[level-1]->blocknr;
+ btrfs_set_node_blockptr(c, 0, path->nodes[level - 1]->blocknr);
/* the super has an extra ref to root->node */
tree_block_release(root, root->node);
root->node = t;
@@ -700,7 +702,7 @@
(nritems - slot) * sizeof(u64));
}
memcpy(lower->keys + slot, key, sizeof(struct btrfs_disk_key));
- lower->blockptrs[slot] = blocknr;
+ btrfs_set_node_blockptr(lower, slot, blocknr);
btrfs_set_header_nritems(&lower->header, nritems + 1);
if (lower->keys[1].objectid == 0)
BUG();
@@ -820,7 +822,8 @@
if (slot >= btrfs_header_nritems(&upper->node.header) - 1) {
return 1;
}
- right_buf = read_tree_block(root, upper->node.blockptrs[slot + 1]);
+ right_buf = read_tree_block(root, btrfs_node_blockptr(&upper->node,
+ slot + 1));
right = &right_buf->leaf;
free_space = leaf_free_space(right);
if (free_space < data_size + sizeof(struct btrfs_item)) {
@@ -926,7 +929,8 @@
if (!path->nodes[1]) {
return 1;
}
- t = read_tree_block(root, path->nodes[1]->node.blockptrs[slot - 1]);
+ t = read_tree_block(root, btrfs_node_blockptr(&path->nodes[1]->node,
+ slot - 1));
left = &t->leaf;
free_space = leaf_free_space(left);
if (free_space < data_size + sizeof(struct btrfs_item)) {
@@ -1353,7 +1357,7 @@
level++;
continue;
}
- blocknr = c->node.blockptrs[slot];
+ blocknr = btrfs_node_blockptr(&c->node, slot);
if (next)
tree_block_release(root, next);
next = read_tree_block(root, blocknr);
@@ -1368,7 +1372,8 @@
path->slots[level] = 0;
if (!level)
break;
- next = read_tree_block(root, next->node.blockptrs[0]);
+ next = read_tree_block(root,
+ btrfs_node_blockptr(&next->node, 0));
}
return 0;
}