18 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 	pagenum = off >> PAGE_SHIFT;  in hfs_bnode_read()
28 	off &= ~PAGE_MASK; /* compute page offset for the first page */  in hfs_bnode_read()
34 		bytes_to_read = min_t(int, len - bytes_read, PAGE_SIZE - off);  in hfs_bnode_read()
37 		memcpy(buf + bytes_read, vaddr + off, bytes_to_read);  in hfs_bnode_read()
41 		off = 0; /* page offset only applies to the first page */  in hfs_bnode_read()
45 u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off)  in hfs_bnode_read_u16()  argument
49 	hfs_bnode_read(node, &data, off, 2);  in hfs_bnode_read_u16()
53 u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off)  in hfs_bnode_read_u8()  argument
57 	hfs_bnode_read(node, &data, off, 1);  in hfs_bnode_read_u8()
61 void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off)  in hfs_bnode_read_key()  argument
69 		key_len = hfs_bnode_read_u8(node, off) + 1;  in hfs_bnode_read_key()
73 	hfs_bnode_read(node, key, off, key_len);  in hfs_bnode_read_key()
76 void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)  in hfs_bnode_write()  argument
80 	off += node->page_offset;  in hfs_bnode_write()
83 	memcpy(kmap(page) + off, buf, len);  in hfs_bnode_write()
88 void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data)  in hfs_bnode_write_u16()  argument
92 	hfs_bnode_write(node, &v, off, 2);  in hfs_bnode_write_u16()
95 void hfs_bnode_write_u8(struct hfs_bnode *node, int off, u8 data)  in hfs_bnode_write_u8()  argument
98 	hfs_bnode_write(node, &data, off, 1);  in hfs_bnode_write_u8()
101 void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)  in hfs_bnode_clear()  argument
105 	off += node->page_offset;  in hfs_bnode_clear()
108 	memset(kmap(page) + off, 0, len);  in hfs_bnode_clear()
153 	int i, off, key_off;  in hfs_bnode_dump()  local
161 	off = node->tree->node_size - 2;  in hfs_bnode_dump()
162 	for (i = be16_to_cpu(desc.num_recs); i >= 0; off -= 2, i--) {  in hfs_bnode_dump()
163 		key_off = hfs_bnode_read_u16(node, off);  in hfs_bnode_dump()
257 	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()
331 	int i, rec_off, off, next_off;  in hfs_bnode_find()  local
380 	off = hfs_bnode_read_u16(node, rec_off);  in hfs_bnode_find()
381 	if (off != sizeof(struct hfs_bnode_desc))  in hfs_bnode_find()
383 	for (i = 1; i <= node->num_recs; off = next_off, i++) {  in hfs_bnode_find()
386 		if (next_off <= off ||  in hfs_bnode_find()
390 		entry_size = next_off - off;  in hfs_bnode_find()
394 		key_size = hfs_bnode_read_u8(node, off) + 1;  in hfs_bnode_find()