page_count = (bytes + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
LASSERT(page_count <= nrpages);
desc = ptlrpc_prep_bulk_exp(req, page_count, 1,
page_count = (bytes + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
LASSERT(page_count <= nrpages);
desc = ptlrpc_prep_bulk_exp(req, page_count, 1,