21 void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len)  in hfs_bnode_read()  argument
26 	off += node->page_offset;  in hfs_bnode_read()
27 	pagep = node->page + (off >> PAGE_CACHE_SHIFT);  in hfs_bnode_read()
28 	off &= ~PAGE_CACHE_MASK;  in hfs_bnode_read()
30 	l = min(len, (int)PAGE_CACHE_SIZE - off);  in hfs_bnode_read()
31 	memcpy(buf, kmap(*pagep) + off, l);  in hfs_bnode_read()
42 u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off)  in hfs_bnode_read_u16()  argument
46 	hfs_bnode_read(node, &data, off, 2);  in hfs_bnode_read_u16()
50 u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off)  in hfs_bnode_read_u8()  argument
54 	hfs_bnode_read(node, &data, off, 1);  in hfs_bnode_read_u8()
58 void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off)  in hfs_bnode_read_key()  argument
66 		key_len = hfs_bnode_read_u16(node, off) + 2;  in hfs_bnode_read_key()
70 	hfs_bnode_read(node, key, off, key_len);  in hfs_bnode_read_key()
73 void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)  in hfs_bnode_write()  argument
78 	off += node->page_offset;  in hfs_bnode_write()
79 	pagep = node->page + (off >> PAGE_CACHE_SHIFT);  in hfs_bnode_write()
80 	off &= ~PAGE_CACHE_MASK;  in hfs_bnode_write()
82 	l = min(len, (int)PAGE_CACHE_SIZE - off);  in hfs_bnode_write()
83 	memcpy(kmap(*pagep) + off, buf, l);  in hfs_bnode_write()
96 void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data)  in hfs_bnode_write_u16()  argument
100 	hfs_bnode_write(node, &v, off, 2);  in hfs_bnode_write_u16()
103 void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)  in hfs_bnode_clear()  argument
108 	off += node->page_offset;  in hfs_bnode_clear()
109 	pagep = node->page + (off >> PAGE_CACHE_SHIFT);  in hfs_bnode_clear()
110 	off &= ~PAGE_CACHE_MASK;  in hfs_bnode_clear()
112 	l = min(len, (int)PAGE_CACHE_SIZE - off);  in hfs_bnode_clear()
113 	memset(kmap(*pagep) + off, 0, l);  in hfs_bnode_clear()
302 	int i, off, key_off;  in hfs_bnode_dump()  local
310 	off = node->tree->node_size - 2;  in hfs_bnode_dump()
311 	for (i = be16_to_cpu(desc.num_recs); i >= 0; off -= 2, i--) {  in hfs_bnode_dump()
312 		key_off = hfs_bnode_read_u16(node, off);  in hfs_bnode_dump()
407 	loff_t off;  in __hfs_bnode_create()  local
446 	off = (loff_t)cnid << tree->node_size_shift;  in __hfs_bnode_create()
447 	block = off >> PAGE_CACHE_SHIFT;  in __hfs_bnode_create()
448 	node->page_offset = off & ~PAGE_CACHE_MASK;  in __hfs_bnode_create()
486 	int i, rec_off, off, next_off;  in hfs_bnode_find()  local
537 	off = hfs_bnode_read_u16(node, rec_off);  in hfs_bnode_find()
538 	if (off != sizeof(struct hfs_bnode_desc))  in hfs_bnode_find()
540 	for (i = 1; i <= node->num_recs; off = next_off, i++) {  in hfs_bnode_find()
543 		if (next_off <= off ||  in hfs_bnode_find()
547 		entry_size = next_off - off;  in hfs_bnode_find()
551 		key_size = hfs_bnode_read_u16(node, off) + 2;  in hfs_bnode_find()