*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _CL_INTERNAL_H
#define _CL_INTERNAL_H
-#define CLT_PVEC_SIZE (14)
-
-/**
- * Possible levels of the nesting. Currently this is 2: there are "top"
- * entities (files, extent locks), and "sub" entities (stripes and stripe
- * locks). This is used only for debugging counters right now.
- */
-enum clt_nesting_level {
- CNL_TOP,
- CNL_SUB,
- CNL_NR
-};
-
-/**
- * Counters used to check correctness of cl_lock interface usage.
- */
-struct cl_thread_counters {
- /**
- * Number of outstanding calls to cl_lock_mutex_get() made by the
- * current thread. For debugging.
- */
- int ctc_nr_locks_locked;
- /** List of locked locks. */
- struct lu_ref ctc_locks_locked;
- /** Number of outstanding holds on locks. */
- int ctc_nr_held;
- /** Number of outstanding uses on locks. */
- int ctc_nr_used;
- /** Number of held extent locks. */
- int ctc_nr_locks_acquired;
-};
-
/**
* Thread local state internal for generic cl-code.
*/
struct cl_thread_info {
- /*
- * Common fields.
- */
- struct cl_io clt_io;
- struct cl_2queue clt_queue;
-
- /*
- * Fields used by cl_lock.c
- */
- struct cl_lock_descr clt_descr;
- struct cl_page_list clt_list;
- /**
- * Counters for every level of lock nesting.
- */
- struct cl_thread_counters clt_counters[CNL_NR];
- /** @} debugging */
-
- /*
- * Fields used by cl_page.c
- */
- struct cl_page *clt_pvec[CLT_PVEC_SIZE];
-
- /*
- * Fields used by cl_io.c
- */
- /**
- * Pointer to the topmost ongoing IO in this thread.
- */
- struct cl_io *clt_current_io;
- /**
- * Used for submitting a sync io.
- */
- struct cl_sync_io clt_anchor;
- /**
- * Fields used by cl_lock_page_out().
- */
- pgoff_t clt_next_index;
- pgoff_t clt_fn_index; /* first non-overlapped index */
+ /**
+ * Used for submitting a sync I/O.
+ */
+ struct cl_sync_io clt_anchor;
};
struct cl_thread_info *cl_env_info(const struct lu_env *env);
+void cl_page_disown0(const struct lu_env *env,
+ struct cl_io *io, struct cl_page *pg);
#endif /* _CL_INTERNAL_H */