18 void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len)  in hfs_bnode_read()  argument
25 	off += node->page_offset;  in hfs_bnode_read()
26 	pagenum = off >> PAGE_SHIFT;  in hfs_bnode_read()
27 	off &= ~PAGE_MASK; /* compute page offset for the first page */  in hfs_bnode_read()
33 		bytes_to_read = min_t(int, len - bytes_read, PAGE_SIZE - off);  in hfs_bnode_read()
35 		memcpy_from_page(buf + bytes_read, page, off, bytes_to_read);  in hfs_bnode_read()
38 		off = 0; /* page offset only applies to the first page */  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_u8(node, off) + 1;  in hfs_bnode_read_key()
76 	hfs_bnode_read(node, key, off, key_len);  in hfs_bnode_read_key()
79 void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)  in hfs_bnode_write()  argument
83 	off += node->page_offset;  in hfs_bnode_write()
86 	memcpy_to_page(page, off, buf, len);  in hfs_bnode_write()
90 void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data)  in hfs_bnode_write_u16()  argument
94 	hfs_bnode_write(node, &v, off, 2);  in hfs_bnode_write_u16()
97 void hfs_bnode_write_u8(struct hfs_bnode *node, int off, u8 data)  in hfs_bnode_write_u8()  argument
100 	hfs_bnode_write(node, &data, off, 1);  in hfs_bnode_write_u8()
103 void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)  in hfs_bnode_clear()  argument
107 	off += node->page_offset;  in hfs_bnode_clear()
110 	memzero_page(page, off, len);  in hfs_bnode_clear()
152 	int i, off, key_off;  in hfs_bnode_dump()  local
160 	off = node->tree->node_size - 2;  in hfs_bnode_dump()
161 	for (i = be16_to_cpu(desc.num_recs); i >= 0; off -= 2, i--) {  in hfs_bnode_dump()
162 		key_off = hfs_bnode_read_u16(node, off);  in hfs_bnode_dump()
256 	loff_t off;  in __hfs_bnode_create()  local
292 	off = (loff_t)cnid * tree->node_size;  in __hfs_bnode_create()
293 	block = off >> PAGE_SHIFT;  in __hfs_bnode_create()
294 	node->page_offset = off & ~PAGE_MASK;  in __hfs_bnode_create()
327 	int i, rec_off, off, next_off;  in hfs_bnode_find()  local
377 	off = hfs_bnode_read_u16(node, rec_off);  in hfs_bnode_find()
378 	if (off != sizeof(struct hfs_bnode_desc))  in hfs_bnode_find()
380 	for (i = 1; i <= node->num_recs; off = next_off, i++) {  in hfs_bnode_find()
383 		if (next_off <= off ||  in hfs_bnode_find()
387 		entry_size = next_off - off;  in hfs_bnode_find()
391 		key_size = hfs_bnode_read_u8(node, off) + 1;  in hfs_bnode_find()