/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef LOV_INTERNAL_H
};
struct lov_request_set {
- struct obd_enqueue_info *set_ei;
+ struct ldlm_enqueue_info*set_ei;
struct obd_info *set_oi;
atomic_t set_refcount;
struct obd_export *set_exp;
int lap_stripe;
obd_off lap_sub_offset;
obd_id lap_loi_id;
+ obd_gr lap_loi_gr;
void *lap_sub_cookie;
struct obd_async_page_ops *lap_caller_ops;
void *lap_caller_data;
(LASSERT(((struct lov_async_page *)(c))->lap_magic == LOV_AP_MAGIC), \
(struct lov_async_page *)(c))
+extern cfs_mem_cache_t *lov_oinfo_slab;
+
static inline void lov_llh_addref(void *llhp)
{
struct lov_lock_handles *llh = llhp;
atomic_read(&llh->llh_refcount) < 0x5a5a);
if (atomic_dec_and_test(&llh->llh_refcount)) {
class_handle_unhash(&llh->llh_handle);
- LASSERT(list_empty(&llh->llh_handle.h_link));
- OBD_FREE(llh, sizeof *llh +
- sizeof(*llh->llh_handles) * llh->llh_stripe_count);
+ /* The structure may be held by other threads because RCU.
+ * -jxiong */
+ if (atomic_read(&llh->llh_refcount))
+ return;
+
+ OBD_FREE_RCU(llh, sizeof *llh +
+ sizeof(*llh->llh_handles) * llh->llh_stripe_count,
+ &llh->llh_handle);
}
}
int lov_stripe_number(struct lov_stripe_md *lsm, obd_off lov_off);
/* lov_qos.c */
+#define LOV_USES_ASSIGNED_STRIPE 0
+#define LOV_USES_DEFAULT_STRIPE 1
int qos_add_tgt(struct obd_device *obd, __u32 index);
int qos_del_tgt(struct obd_device *obd, __u32 index);
void qos_shrink_lsm(struct lov_request_set *set);
obd_off end, struct lov_request_set **reqset);
int lov_fini_sync_set(struct lov_request_set *set);
int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_enqueue_info *einfo,
+ struct ldlm_enqueue_info *einfo,
struct lov_request_set **reqset);
-int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc);
+int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
+ struct ptlrpc_request_set *rqset);
int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_stripe_md *lsm,
ldlm_policy_data_t *policy, __u32 mode,
int lov_fini_cancel_set(struct lov_request_set *set);
int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
struct lov_request_set **reqset);
-void lov_update_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- struct obd_statfs *lov_sfs, int success);
+void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
+ int success);
int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,
int success);
int lov_fini_statfs_set(struct lov_request_set *set);
/* lov_obd.c */
void lov_fix_desc(struct lov_desc *desc);
-int lov_get_stripecnt(struct lov_obd *lov, int stripe_count);
+void lov_fix_desc_stripe_size(__u64 *val);
+void lov_fix_desc_stripe_count(__u32 *val);
+void lov_fix_desc_pattern(__u32 *val);
+void lov_fix_desc_qos_maxage(__u32 *val);
+int lov_get_stripecnt(struct lov_obd *lov, __u32 stripe_count);
void lov_getref(struct obd_device *obd);
void lov_putref(struct obd_device *obd);
/* lov_log.c */
-int lov_llog_init(struct obd_device *obd, struct obd_device *tgt,
- int count, struct llog_catid *logid, struct obd_uuid *uuid);
+int lov_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
+ struct obd_device *tgt, int count, struct llog_catid *logid,
+ struct obd_uuid *uuid);
int lov_llog_finish(struct obd_device *obd, int count);
/* lov_pack.c */
/* lov_ea.c */
int lov_unpackmd_join(struct lov_obd *lov, struct lov_stripe_md *lsm,
struct lov_mds_md *lmm);
+struct lov_stripe_md *lsm_alloc_plain(int stripe_count, int *size);
+void lsm_free_plain(struct lov_stripe_md *lsm);
struct lov_extent *lovea_idx2le(struct lov_stripe_md *lsm, int stripe_no);
struct lov_extent *lovea_off2le(struct lov_stripe_md *lsm, obd_off lov_off);
struct obdo *oa, void *data);
/* lproc_lov.c */
extern struct file_operations lov_proc_target_fops;
+#ifdef LPROCFS
+void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars);
+#else
+static inline void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars)
+{
+ memset(lvars, 0, sizeof(*lvars));
+}
+#endif
#endif