static int slp_io_init(const struct lu_env *env, struct cl_object *obj,
struct cl_io *io)
{
struct ccc_io *vio = ccc_env_io(env);
int result = 0;
CLOBINVRNT(env, obj, ccc_object_invariant(obj));
cl_io_slice_add(io, &vio->cui_cl, obj, &ccc_io_ops);
if (io->ci_type == CIT_READ || io->ci_type == CIT_WRITE) {
size_t count;
count = io->u.ci_rw.crw_count;
/* "If nbyte is 0, read() will return 0 and have no other
* results." -- Single Unix Spec */
if (count == 0)
result = 1;
else {
vio->cui_tot_count = count;
vio->cui_tot_nrsegs = 0;
}
}
return result;
}
int osc_io_init(const struct lu_env *env,
struct cl_object *obj, struct cl_io *io)
{
struct osc_io *oio = osc_env_io(env);
CL_IO_SLICE_CLEAN(oio, oi_cl);
cl_io_slice_add(io, &oio->oi_cl, obj, &osc_io_ops);
return 0;
}
