176 	size_t copy;  in copy_to_brd_setup()  local
178 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd_setup()
181 	if (copy < n) {  in copy_to_brd_setup()
182 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd_setup()
190  * Copy n bytes from src to the brd starting at sector. Does not sleep.
198 	size_t copy;  in copy_to_brd()  local
200 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd()
205 	memcpy(dst + offset, src, copy);  in copy_to_brd()
208 	if (copy < n) {  in copy_to_brd()
209 		src += copy;  in copy_to_brd()
210 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd()
211 		copy = n - copy;  in copy_to_brd()
216 		memcpy(dst, src, copy);  in copy_to_brd()
222  * Copy n bytes to dst from the brd starting at sector. Does not sleep.
230 	size_t copy;  in copy_from_brd()  local
232 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_from_brd()
236 		memcpy(dst, src + offset, copy);  in copy_from_brd()
239 		memset(dst, 0, copy);  in copy_from_brd()
241 	if (copy < n) {  in copy_from_brd()
242 		dst += copy;  in copy_from_brd()
243 		sector += copy >> SECTOR_SHIFT;  in copy_from_brd()
244 		copy = n - copy;  in copy_from_brd()
248 			memcpy(dst, src, copy);  in copy_from_brd()
251 			memset(dst, 0, copy);  in copy_from_brd()