12 static bool check_setget_bounds(const struct extent_buffer *eb,  in check_setget_bounds()  argument
17 	if (unlikely(member_offset + size > eb->len)) {  in check_setget_bounds()
18 		btrfs_warn(eb->fs_info,  in check_setget_bounds()
19 		"bad eb member %s: ptr 0x%lx start %llu member offset %lu size %d",  in check_setget_bounds()
20 			(member_offset > eb->len ? "start" : "end"),  in check_setget_bounds()
21 			(unsigned long)ptr, eb->start, member_offset, size);  in check_setget_bounds()
28 void btrfs_init_map_token(struct btrfs_map_token *token, struct extent_buffer *eb)  in btrfs_init_map_token()  argument
30 	token->eb = eb;  in btrfs_init_map_token()
31 	token->kaddr = folio_address(eb->folios[0]);  in btrfs_init_map_token()
64 	const unsigned long idx = get_eb_folio_index(token->eb, member_offset); \
65 	const unsigned long oil = get_eb_offset_in_folio(token->eb,	\
67 	const int unit_size = token->eb->folio_size;			\
68 	const int unit_shift = token->eb->folio_shift;			\
75 	ASSERT(check_setget_bounds(token->eb, ptr, off, size));		\
80 	token->kaddr = folio_address(token->eb->folios[idx]);		\
82 	if (INLINE_EXTENT_BUFFER_PAGES == 1 || oil + size <= unit_size) \
86 	token->kaddr = folio_address(token->eb->folios[idx + 1]);	\
87 	token->offset = (idx + 1) << unit_shift;			\
91 u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
95 	const unsigned long idx = get_eb_folio_index(eb, member_offset);\
96 	const unsigned long oil = get_eb_offset_in_folio(eb,		\
98 	const int unit_size = eb->folio_size;				\
99 	char *kaddr = folio_address(eb->folios[idx]);			\
104 	ASSERT(check_setget_bounds(eb, ptr, off, size));		\
105 	if (INLINE_EXTENT_BUFFER_PAGES == 1 || oil + size <= unit_size)	\
109 	kaddr = folio_address(eb->folios[idx + 1]);			\
118 	const unsigned long idx = get_eb_folio_index(token->eb, member_offset); \
119 	const unsigned long oil = get_eb_offset_in_folio(token->eb,	\
121 	const int unit_size = token->eb->folio_size;			\
122 	const int unit_shift = token->eb->folio_shift;			\
129 	ASSERT(check_setget_bounds(token->eb, ptr, off, size));		\
135 	token->kaddr = folio_address(token->eb->folios[idx]);		\
137 	if (INLINE_EXTENT_BUFFER_PAGES == 1 ||				\
144 	token->kaddr = folio_address(token->eb->folios[idx + 1]);	\
145 	token->offset = (idx + 1) << unit_shift;			\
148 void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
152 	const unsigned long idx = get_eb_folio_index(eb, member_offset);\
153 	const unsigned long oil = get_eb_offset_in_folio(eb,		\
155 	const int unit_size = eb->folio_size;				\
156 	char *kaddr = folio_address(eb->folios[idx]);			\
161 	ASSERT(check_setget_bounds(eb, ptr, off, size));		\
162 	if (INLINE_EXTENT_BUFFER_PAGES == 1 ||				\
170 	kaddr = folio_address(eb->folios[idx + 1]);			\
179 void btrfs_node_key(const struct extent_buffer *eb,  in btrfs_node_key()  argument
182 	unsigned long ptr = btrfs_node_key_ptr_offset(eb, nr);  in btrfs_node_key()
183 	read_eb_member(eb, (struct btrfs_key_ptr *)ptr,  in btrfs_node_key()