122 		    struct hfs_bnode *src_node, int src, int len)  in hfs_bnode_copy()  argument
127 	hfs_dbg(BNODE_MOD, "copybytes: %u,%u,%u\n", dst, src, len);  in hfs_bnode_copy()
130 	src += src_node->page_offset;  in hfs_bnode_copy()
132 	src_page = src_node->page + (src >> PAGE_SHIFT);  in hfs_bnode_copy()
133 	src &= ~PAGE_MASK;  in hfs_bnode_copy()
137 	if (src == dst) {  in hfs_bnode_copy()
138 		l = min_t(int, len, PAGE_SIZE - src);  in hfs_bnode_copy()
139 		memcpy_page(*dst_page, src, *src_page, src, l);  in hfs_bnode_copy()
152 			src_ptr = kmap_local_page(*src_page) + src;  in hfs_bnode_copy()
153 			if (PAGE_SIZE - src < PAGE_SIZE - dst) {  in hfs_bnode_copy()
154 				l = PAGE_SIZE - src;  in hfs_bnode_copy()
155 				src = 0;  in hfs_bnode_copy()
159 				src += l;  in hfs_bnode_copy()
175 void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)  in hfs_bnode_move()  argument
181 	hfs_dbg(BNODE_MOD, "movebytes: %u,%u,%u\n", dst, src, len);  in hfs_bnode_move()
184 	src += node->page_offset;  in hfs_bnode_move()
186 	if (dst > src) {  in hfs_bnode_move()
187 		src += len - 1;  in hfs_bnode_move()
188 		src_page = node->page + (src >> PAGE_SHIFT);  in hfs_bnode_move()
189 		src = (src & ~PAGE_MASK) + 1;  in hfs_bnode_move()
194 		if (src == dst) {  in hfs_bnode_move()
195 			while (src < len) {  in hfs_bnode_move()
198 				memmove(dst_ptr, src_ptr, src);  in hfs_bnode_move()
202 				len -= src;  in hfs_bnode_move()
203 				src = PAGE_SIZE;  in hfs_bnode_move()
207 			src -= len;  in hfs_bnode_move()
210 			memmove(dst_ptr + src, src_ptr + src, len);  in hfs_bnode_move()
217 				src_ptr = kmap_local_page(*src_page) + src;  in hfs_bnode_move()
218 				if (src < dst) {  in hfs_bnode_move()
219 					l = src;  in hfs_bnode_move()
220 					src = PAGE_SIZE;  in hfs_bnode_move()
224 					src -= l;  in hfs_bnode_move()
239 		src_page = node->page + (src >> PAGE_SHIFT);  in hfs_bnode_move()
240 		src &= ~PAGE_MASK;  in hfs_bnode_move()
244 		if (src == dst) {  in hfs_bnode_move()
245 			l = min_t(int, len, PAGE_SIZE - src);  in hfs_bnode_move()
247 			dst_ptr = kmap_local_page(*dst_page) + src;  in hfs_bnode_move()
248 			src_ptr = kmap_local_page(*src_page) + src;  in hfs_bnode_move()
266 				src_ptr = kmap_local_page(*src_page) + src;  in hfs_bnode_move()
267 				if (PAGE_SIZE - src <  in hfs_bnode_move()
269 					l = PAGE_SIZE - src;  in hfs_bnode_move()
270 					src = 0;  in hfs_bnode_move()
274 					src += l;  in hfs_bnode_move()