24 	int l;  in hfs_bnode_read()  local
30 	l = min_t(int, len, PAGE_CACHE_SIZE - off);  in hfs_bnode_read()
31 	memcpy(buf, kmap(*pagep) + off, l);  in hfs_bnode_read()
34 	while ((len -= l) != 0) {  in hfs_bnode_read()
35 		buf += l;  in hfs_bnode_read()
36 		l = min_t(int, len, PAGE_CACHE_SIZE);  in hfs_bnode_read()
37 		memcpy(buf, kmap(*++pagep), l);  in hfs_bnode_read()
77 	int l;  in hfs_bnode_write()  local
83 	l = min_t(int, len, PAGE_CACHE_SIZE - off);  in hfs_bnode_write()
84 	memcpy(kmap(*pagep) + off, buf, l);  in hfs_bnode_write()
88 	while ((len -= l) != 0) {  in hfs_bnode_write()
89 		buf += l;  in hfs_bnode_write()
90 		l = min_t(int, len, PAGE_CACHE_SIZE);  in hfs_bnode_write()
91 		memcpy(kmap(*++pagep), buf, l);  in hfs_bnode_write()
107 	int l;  in hfs_bnode_clear()  local
113 	l = min_t(int, len, PAGE_CACHE_SIZE - off);  in hfs_bnode_clear()
114 	memset(kmap(*pagep) + off, 0, l);  in hfs_bnode_clear()
118 	while ((len -= l) != 0) {  in hfs_bnode_clear()
119 		l = min_t(int, len, PAGE_CACHE_SIZE);  in hfs_bnode_clear()
120 		memset(kmap(*++pagep), 0, l);  in hfs_bnode_clear()
131 	int l;  in hfs_bnode_copy()  local
145 		l = min_t(int, len, PAGE_CACHE_SIZE - src);  in hfs_bnode_copy()
146 		memcpy(kmap(*dst_page) + src, kmap(*src_page) + src, l);  in hfs_bnode_copy()
151 		while ((len -= l) != 0) {  in hfs_bnode_copy()
152 			l = min_t(int, len, PAGE_CACHE_SIZE);  in hfs_bnode_copy()
153 			memcpy(kmap(*++dst_page), kmap(*++src_page), l);  in hfs_bnode_copy()
165 				l = PAGE_CACHE_SIZE - src;  in hfs_bnode_copy()
167 				dst += l;  in hfs_bnode_copy()
169 				l = PAGE_CACHE_SIZE - dst;  in hfs_bnode_copy()
170 				src += l;  in hfs_bnode_copy()
173 			l = min(len, l);  in hfs_bnode_copy()
174 			memcpy(dst_ptr, src_ptr, l);  in hfs_bnode_copy()
182 		} while ((len -= l));  in hfs_bnode_copy()
189 	int l;  in hfs_bnode_move()  local
228 					l = src;  in hfs_bnode_move()
230 					dst -= l;  in hfs_bnode_move()
232 					l = dst;  in hfs_bnode_move()
233 					src -= l;  in hfs_bnode_move()
236 				l = min(len, l);  in hfs_bnode_move()
237 				memmove(dst_ptr - l, src_ptr - l, l);  in hfs_bnode_move()
245 			} while ((len -= l));  in hfs_bnode_move()
254 			l = min_t(int, len, PAGE_CACHE_SIZE - src);  in hfs_bnode_move()
256 				kmap(*src_page) + src, l);  in hfs_bnode_move()
261 			while ((len -= l) != 0) {  in hfs_bnode_move()
262 				l = min_t(int, len, PAGE_CACHE_SIZE);  in hfs_bnode_move()
264 					kmap(*++src_page), l);  in hfs_bnode_move()
277 					l = PAGE_CACHE_SIZE - src;  in hfs_bnode_move()
279 					dst += l;  in hfs_bnode_move()
281 					l = PAGE_CACHE_SIZE - dst;  in hfs_bnode_move()
282 					src += l;  in hfs_bnode_move()
285 				l = min(len, l);  in hfs_bnode_move()
286 				memmove(dst_ptr, src_ptr, l);  in hfs_bnode_move()
294 			} while ((len -= l));  in hfs_bnode_move()