Lines Matching full:token

35  * Generic helpers with a token (cached address of the most recently accessed
51 u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
56 	const unsigned long oip = get_eb_offset_in_page(token->eb,	\
62 	ASSERT(token);							\
63 	ASSERT(token->kaddr);						\
64 	ASSERT(check_setget_bounds(token->eb, ptr, off, size));		\
65 	if (token->offset <= member_offset &&				\
66 	    member_offset + size <= token->offset + PAGE_SIZE) {	\
67 		return get_unaligned_le##bits(token->kaddr + oip);	\
69 	token->kaddr = page_address(token->eb->pages[idx]);		\
70 	token->offset = idx << PAGE_SHIFT;				\
72 		return get_unaligned_le##bits(token->kaddr + oip);	\
74 	memcpy(lebytes, token->kaddr + oip, part);			\
75 	token->kaddr = page_address(token->eb->pages[idx + 1]);		\
76 	token->offset = (idx + 1) << PAGE_SHIFT;			\
77 	memcpy(lebytes + part, token->kaddr, size - part);		\
100 void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
106 	const unsigned long oip = get_eb_offset_in_page(token->eb,	\
112 	ASSERT(token);							\
113 	ASSERT(token->kaddr);						\
114 	ASSERT(check_setget_bounds(token->eb, ptr, off, size));		\
115 	if (token->offset <= member_offset &&				\
116 	    member_offset + size <= token->offset + PAGE_SIZE) {	\
117 		put_unaligned_le##bits(val, token->kaddr + oip);	\
120 	token->kaddr = page_address(token->eb->pages[idx]);		\
121 	token->offset = idx << PAGE_SHIFT;				\
123 		put_unaligned_le##bits(val, token->kaddr + oip);	\
127 	memcpy(token->kaddr + oip, lebytes, part);			\
128 	token->kaddr = page_address(token->eb->pages[idx + 1]);		\
129 	token->offset = (idx + 1) << PAGE_SHIFT;			\
130 	memcpy(token->kaddr, lebytes + part, size - part);		\