109 	size_t copy;  in copy_to_brd_setup()  local
112 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd_setup()
116 	if (copy < n) {  in copy_to_brd_setup()
117 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd_setup()
124  * Copy n bytes from src to the brd starting at sector. Does not sleep.
132 	size_t copy;  in copy_to_brd()  local
134 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd()
139 	memcpy(dst + offset, src, copy);  in copy_to_brd()
142 	if (copy < n) {  in copy_to_brd()
143 		src += copy;  in copy_to_brd()
144 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd()
145 		copy = n - copy;  in copy_to_brd()
150 		memcpy(dst, src, copy);  in copy_to_brd()
156  * Copy n bytes to dst from the brd starting at sector. Does not sleep.
164 	size_t copy;  in copy_from_brd()  local
166 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_from_brd()
170 		memcpy(dst, src + offset, copy);  in copy_from_brd()
173 		memset(dst, 0, copy);  in copy_from_brd()
175 	if (copy < n) {  in copy_from_brd()
176 		dst += copy;  in copy_from_brd()
177 		sector += copy >> SECTOR_SHIFT;  in copy_from_brd()
178 		copy = n - copy;  in copy_from_brd()
182 			memcpy(dst, src, copy);  in copy_from_brd()
185 			memset(dst, 0, copy);  in copy_from_brd()