25 	int l;  in hfs_bnode_read()  local
31 	l = min_t(int, len, PAGE_SIZE - off);  in hfs_bnode_read()
32 	memcpy(buf, kmap(*pagep) + off, l);  in hfs_bnode_read()
35 	while ((len -= l) != 0) {  in hfs_bnode_read()
36 		buf += l;  in hfs_bnode_read()
37 		l = min_t(int, len, PAGE_SIZE);  in hfs_bnode_read()
38 		memcpy(buf, kmap(*++pagep), l);  in hfs_bnode_read()
78 	int l;  in hfs_bnode_write()  local
84 	l = min_t(int, len, PAGE_SIZE - off);  in hfs_bnode_write()
85 	memcpy(kmap(*pagep) + off, buf, l);  in hfs_bnode_write()
89 	while ((len -= l) != 0) {  in hfs_bnode_write()
90 		buf += l;  in hfs_bnode_write()
91 		l = min_t(int, len, PAGE_SIZE);  in hfs_bnode_write()
92 		memcpy(kmap(*++pagep), buf, l);  in hfs_bnode_write()
108 	int l;  in hfs_bnode_clear()  local
114 	l = min_t(int, len, PAGE_SIZE - off);  in hfs_bnode_clear()
115 	memset(kmap(*pagep) + off, 0, l);  in hfs_bnode_clear()
119 	while ((len -= l) != 0) {  in hfs_bnode_clear()
120 		l = min_t(int, len, PAGE_SIZE);  in hfs_bnode_clear()
121 		memset(kmap(*++pagep), 0, l);  in hfs_bnode_clear()
131 	int l;  in hfs_bnode_copy()  local
144 		l = min_t(int, len, PAGE_SIZE - src);  in hfs_bnode_copy()
145 		memcpy(kmap(*dst_page) + src, kmap(*src_page) + src, l);  in hfs_bnode_copy()
150 		while ((len -= l) != 0) {  in hfs_bnode_copy()
151 			l = min_t(int, len, PAGE_SIZE);  in hfs_bnode_copy()
152 			memcpy(kmap(*++dst_page), kmap(*++src_page), l);  in hfs_bnode_copy()
164 				l = PAGE_SIZE - src;  in hfs_bnode_copy()
166 				dst += l;  in hfs_bnode_copy()
168 				l = PAGE_SIZE - dst;  in hfs_bnode_copy()
169 				src += l;  in hfs_bnode_copy()
172 			l = min(len, l);  in hfs_bnode_copy()
173 			memcpy(dst_ptr, src_ptr, l);  in hfs_bnode_copy()
181 		} while ((len -= l));  in hfs_bnode_copy()
188 	int l;  in hfs_bnode_move()  local
227 					l = src;  in hfs_bnode_move()
229 					dst -= l;  in hfs_bnode_move()
231 					l = dst;  in hfs_bnode_move()
232 					src -= l;  in hfs_bnode_move()
235 				l = min(len, l);  in hfs_bnode_move()
236 				memmove(dst_ptr - l, src_ptr - l, l);  in hfs_bnode_move()
244 			} while ((len -= l));  in hfs_bnode_move()
253 			l = min_t(int, len, PAGE_SIZE - src);  in hfs_bnode_move()
255 				kmap(*src_page) + src, l);  in hfs_bnode_move()
260 			while ((len -= l) != 0) {  in hfs_bnode_move()
261 				l = min_t(int, len, PAGE_SIZE);  in hfs_bnode_move()
263 					kmap(*++src_page), l);  in hfs_bnode_move()
276 					l = PAGE_SIZE - src;  in hfs_bnode_move()
278 					dst += l;  in hfs_bnode_move()
280 					l = PAGE_SIZE - dst;  in hfs_bnode_move()
281 					src += l;  in hfs_bnode_move()
284 				l = min(len, l);  in hfs_bnode_move()
285 				memmove(dst_ptr, src_ptr, l);  in hfs_bnode_move()
293 			} while ((len -= l));  in hfs_bnode_move()