+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * 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.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#ifndef _LL_H
-#define _LL_H
-
-/** \defgroup lite lite
- *
- * @{
- */
-
-#include <linux/lustre_lite.h>
-
-#include <obd_class.h>
-#include <lustre_net.h>
-#include <lustre_ha.h>
-
-/* 4UL * 1024 * 1024 */
-#define LL_MAX_BLKSIZE_BITS (22)
-#define LL_MAX_BLKSIZE (1UL<<LL_MAX_BLKSIZE_BITS)
-
-#include <lustre/lustre_user.h>
-
-
-struct lustre_rw_params {
- int lrp_lock_mode;
- ldlm_policy_data_t lrp_policy;
- obd_flag lrp_brw_flags;
- int lrp_ast_flags;
-};
-
-/*
- * XXX nikita: this function lives in the header because it is used by both
- * llite kernel module and liblustre library, and there is no (?) better place
- * to put it in.
- */
-static inline void lustre_build_lock_params(int cmd, unsigned long open_flags,
- __u64 connect_flags,
- loff_t pos, ssize_t len,
- struct lustre_rw_params *params)
-{
- params->lrp_lock_mode = (cmd == OBD_BRW_READ) ? LCK_PR : LCK_PW;
- params->lrp_brw_flags = 0;
-
- params->lrp_policy.l_extent.start = pos;
- params->lrp_policy.l_extent.end = pos + len - 1;
- /*
- * for now O_APPEND always takes local locks.
- */
- if (cmd == OBD_BRW_WRITE && (open_flags & O_APPEND)) {
- params->lrp_policy.l_extent.start = 0;
- params->lrp_policy.l_extent.end = OBD_OBJECT_EOF;
- } else {
- /*
- * nothing special for the kernel. In the future llite may use
- * OST-side locks for small writes into highly contended
- * files.
- */
- }
- params->lrp_ast_flags = (open_flags & O_NONBLOCK) ?
- LDLM_FL_BLOCK_NOWAIT : 0;
-}
-
-/*
- * This is embedded into liblustre and llite super-blocks to keep track of
- * connect flags (capabilities) supported by all imports given mount is
- * connected to.
- */
-struct lustre_client_ocd {
- /*
- * This is conjunction of connect_flags across all imports (LOVs) this
- * mount is connected to. This field is updated by cl_ocd_update()
- * under ->lco_lock.
- */
- __u64 lco_flags;
- struct mutex lco_lock;
- struct obd_export *lco_md_exp;
- struct obd_export *lco_dt_exp;
-};
-
-/*
- * Chain of hash overflow pages.
- */
-struct ll_dir_chain {
- /* XXX something. Later */
-};
-
-static inline void ll_dir_chain_init(struct ll_dir_chain *chain)
-{
-}
-
-static inline void ll_dir_chain_fini(struct ll_dir_chain *chain)
-{
-}
-
-/** @} lite */
-
-#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff