+void ccc_io_advance(const struct lu_env *env,
+ const struct cl_io_slice *ios,
+ size_t nob)
+{
+ struct ccc_io *cio = cl2ccc_io(env, ios);
+ struct cl_io *io = ios->cis_io;
+ struct cl_object *obj = ios->cis_io->ci_obj;
+
+ CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+
+ if (!cl_io_is_sendfile(io) && io->ci_continue) {
+ /* update the iov */
+ LASSERT(cio->cui_tot_nrsegs >= cio->cui_nrsegs);
+ LASSERT(cio->cui_tot_count >= nob);
+
+ cio->cui_iov += cio->cui_nrsegs;
+ cio->cui_tot_nrsegs -= cio->cui_nrsegs;
+ cio->cui_tot_count -= nob;
+
+ if (cio->cui_iov_olen) {
+ struct iovec *iv;
+
+ cio->cui_iov--;
+ cio->cui_tot_nrsegs++;
+ iv = &cio->cui_iov[0];
+ iv->iov_base += iv->iov_len;
+ LASSERT(cio->cui_iov_olen > iv->iov_len);
+ iv->iov_len = cio->cui_iov_olen - iv->iov_len;
+ }
+ }
+}
+