/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
ENTRY;
- lock = cl_lock_request(env, io, &link->cill_descr, "io", io);
+ if (io->ci_lockreq == CILR_PEEK) {
+ lock = cl_lock_peek(env, io, &link->cill_descr, "io", io);
+ if (lock == NULL)
+ lock = ERR_PTR(-ENODATA);
+ } else
+ lock = cl_lock_request(env, io, &link->cill_descr, "io", io);
+
if (!IS_ERR(lock)) {
link->cill_lock = lock;
cfs_list_move(&link->cill_linkage, &set->cls_curr);
ENTRY;
page = cl_page_top(page);
- LINVRNT(cl_page_is_vmlocked(env, page));
LASSERT(cfs_list_empty(&page->cp_flight));
LASSERT(page->cp_req == NULL);
+ CL_PAGE_DEBUG(D_PAGE, env, page, "req %p, %d, %u\n",
+ req, req->crq_type, req->crq_nrpages);
+
cfs_list_add_tail(&page->cp_flight, &req->crq_pages);
++req->crq_nrpages;
page->cp_req = req;
ENTRY;
page = cl_page_top(page);
- LINVRNT(cl_page_is_vmlocked(env, page));
LASSERT(!cfs_list_empty(&page->cp_flight));
LASSERT(req->crq_nrpages > 0);