#include "btree.h"
-#define REF_PAGES 0
-
void hfs_bnode_read(struct hfs_bnode *node, void *buf,
int off, int len)
{
// move down?
if (!node->prev && !node->next) {
- printk("hfs_btree_del_level\n");
+ printk(KERN_DEBUG "hfs_btree_del_level\n");
}
if (!node->parent) {
tree->root = 0;
struct hfs_bnode *node;
if (cnid >= tree->node_count) {
- printk("HFS: request for non-existent node %d in B*Tree\n", cnid);
+ printk(KERN_ERR "hfs: request for non-existent node %d in B*Tree\n", cnid);
return NULL;
}
loff_t off;
if (cnid >= tree->node_count) {
- printk("HFS: request for non-existent node %d in B*Tree\n", cnid);
+ printk(KERN_ERR "hfs: request for non-existent node %d in B*Tree\n", cnid);
return NULL;
}
page_cache_release(page);
goto fail;
}
-#if !REF_PAGES
page_cache_release(page);
-#endif
node->page[i] = page;
}
for (p = &node->tree->node_hash[hfs_bnode_hash(node->this)];
*p && *p != node; p = &(*p)->next_hash)
;
- if (!*p)
- BUG();
+ BUG_ON(!*p);
*p = node->next_hash;
node->tree->node_hash_cnt--;
}
spin_lock(&tree->hash_lock);
node = hfs_bnode_findhash(tree, num);
spin_unlock(&tree->hash_lock);
- if (node)
- BUG();
+ BUG_ON(node);
node = __hfs_bnode_create(tree, num);
if (!node)
return ERR_PTR(-ENOMEM);
{
if (node) {
atomic_inc(&node->refcnt);
-#if REF_PAGES
- {
- int i;
- for (i = 0; i < node->tree->pages_per_bnode; i++)
- get_page(node->page[i]);
- }
-#endif
dprint(DBG_BNODE_REFS, "get_node(%d:%d): %d\n",
node->tree->cnid, node->this, atomic_read(&node->refcnt));
}
dprint(DBG_BNODE_REFS, "put_node(%d:%d): %d\n",
node->tree->cnid, node->this, atomic_read(&node->refcnt));
- if (!atomic_read(&node->refcnt))
- BUG();
- if (!atomic_dec_and_lock(&node->refcnt, &tree->hash_lock)) {
-#if REF_PAGES
- for (i = 0; i < tree->pages_per_bnode; i++)
- put_page(node->page[i]);
-#endif
+ BUG_ON(!atomic_read(&node->refcnt));
+ if (!atomic_dec_and_lock(&node->refcnt, &tree->hash_lock))
return;
- }
for (i = 0; i < tree->pages_per_bnode; i++) {
if (!node->page[i])
continue;
mark_page_accessed(node->page[i]);
-#if REF_PAGES
- put_page(node->page[i]);
-#endif
}
if (test_bit(HFS_BNODE_DELETED, &node->flags)) {