127 	size_t copy;  in copy_to_brd_setup()  local
130 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd_setup()
134 	if (copy < n) {  in copy_to_brd_setup()
135 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd_setup()
142  * Copy n bytes from src to the brd starting at sector. Does not sleep.
150 	size_t copy;  in copy_to_brd()  local
152 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_to_brd()
157 	memcpy(dst + offset, src, copy);  in copy_to_brd()
160 	if (copy < n) {  in copy_to_brd()
161 		src += copy;  in copy_to_brd()
162 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd()
163 		copy = n - copy;  in copy_to_brd()
168 		memcpy(dst, src, copy);  in copy_to_brd()
174  * Copy n bytes to dst from the brd starting at sector. Does not sleep.
182 	size_t copy;  in copy_from_brd()  local
184 	copy = min_t(size_t, n, PAGE_SIZE - offset);  in copy_from_brd()
188 		memcpy(dst, src + offset, copy);  in copy_from_brd()
191 		memset(dst, 0, copy);  in copy_from_brd()
193 	if (copy < n) {  in copy_from_brd()
194 		dst += copy;  in copy_from_brd()
195 		sector += copy >> SECTOR_SHIFT;  in copy_from_brd()
196 		copy = n - copy;  in copy_from_brd()
200 			memcpy(dst, src, copy);  in copy_from_brd()
203 			memset(dst, 0, copy);  in copy_from_brd()