839 	cursor->resid = min(length, data->bio_length);  in ceph_msg_data_bio_cursor_init()
843 		cursor->resid <= bio_iter_len(bio, cursor->bvec_iter);  in ceph_msg_data_bio_cursor_init()
864 		*length = cursor->resid;  in ceph_msg_data_bio_next()
867 	BUG_ON(*length > cursor->resid);  in ceph_msg_data_bio_next()
888 	BUG_ON(cursor->resid < bytes);  in ceph_msg_data_bio_advance()
889 	cursor->resid -= bytes;  in ceph_msg_data_bio_advance()
909 		BUG_ON(!cursor->resid);  in ceph_msg_data_bio_advance()
912 		if (cursor->resid <= bio_iter_len(bio, cursor->bvec_iter))  in ceph_msg_data_bio_advance()
935 	cursor->resid = min(length, data->length);  in ceph_msg_data_pages_cursor_init()
942 	cursor->last_piece = cursor->page_offset + cursor->resid <= PAGE_SIZE;  in ceph_msg_data_pages_cursor_init()
958 		*length = cursor->resid;  in ceph_msg_data_pages_next()
974 	cursor->resid -= bytes;  in ceph_msg_data_pages_advance()
979 	if (!cursor->resid)  in ceph_msg_data_pages_advance()
986 	cursor->last_piece = cursor->resid <= PAGE_SIZE;  in ceph_msg_data_pages_advance()
1014 	cursor->resid = min(length, pagelist->length);  in ceph_msg_data_pagelist_cursor_init()
1017 	cursor->last_piece = cursor->resid <= PAGE_SIZE;  in ceph_msg_data_pagelist_cursor_init()
1033 	BUG_ON(cursor->offset + cursor->resid != pagelist->length);  in ceph_msg_data_pagelist_next()
1038 		*length = cursor->resid;  in ceph_msg_data_pagelist_next()
1056 	BUG_ON(cursor->offset + cursor->resid != pagelist->length);  in ceph_msg_data_pagelist_advance()
1061 	cursor->resid -= bytes;  in ceph_msg_data_pagelist_advance()
1067 	if (!cursor->resid)  in ceph_msg_data_pagelist_advance()
1074 	cursor->last_piece = cursor->resid <= PAGE_SIZE;  in ceph_msg_data_pagelist_advance()
1174 	BUG_ON(bytes > cursor->resid);  in ceph_msg_data_advance()
1194 	if (!cursor->resid && cursor->total_resid) {  in ceph_msg_data_advance()
1568 	while (cursor->resid) {  in write_partial_message_data()
2264 	while (cursor->resid) {  in read_partial_msg_data()