-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _LUSTRE_LOG_H
#define _LUSTRE_LOG_H
+/** \defgroup log log
+ *
+ * @{
+ */
+
#if defined(__linux__)
#include <linux/lustre_log.h>
#elif defined(__APPLE__)
struct llog_operations *op);
int __llog_ctxt_put(struct llog_ctxt *ctxt);
int llog_cleanup(struct llog_ctxt *);
-int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp);
+int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp, int flags);
int llog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
struct lov_stripe_md *lsm, struct llog_cookie *logcookies,
int numcookies);
int llog_obd_repl_cancel(struct llog_ctxt *ctxt,
struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags);
-int llog_obd_repl_sync(struct llog_ctxt *ctxt, struct obd_export *exp);
+int llog_obd_repl_sync(struct llog_ctxt *ctxt, struct obd_export *exp,
+ int flags);
int llog_obd_repl_connect(struct llog_ctxt *ctxt,
struct llog_logid *logid, struct llog_gen *gen,
struct obd_uuid *uuid);
int (*lop_setup)(struct obd_device *obd, struct obd_llog_group *olg,
int ctxt_idx, struct obd_device *disk_obd, int count,
struct llog_logid *logid, const char *name);
- int (*lop_sync)(struct llog_ctxt *ctxt, struct obd_export *exp);
+ int (*lop_sync)(struct llog_ctxt *ctxt, struct obd_export *exp,
+ int flags);
int (*lop_cleanup)(struct llog_ctxt *ctxt);
int (*lop_add)(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
struct lov_stripe_md *lsm,
char *name, int idx, int count, struct llog_catid *idarray);
#define LLOG_CTXT_FLAG_UNINITIALIZED 0x00000001
+#define LLOG_CTXT_FLAG_STOP 0x00000002
struct llog_ctxt {
int loc_idx; /* my index the obd array of ctxt's */
struct llog_handle *loc_handle;
struct llog_commit_master *loc_lcm;
struct llog_canceld_ctxt *loc_llcd;
- cfs_semaphore_t loc_sem; /* protects loc_llcd and loc_imp */
+ cfs_mutex_t loc_mutex; /* protects loc_llcd and loc_imp */
cfs_atomic_t loc_refcount;
void *llog_proc_cb;
long loc_flags; /* flags, see above defines */
static inline struct llog_commit_master
*lcm_get(struct llog_commit_master *lcm)
{
- LASSERT(cfs_atomic_read(&lcm->lcm_refcount) > 0);
cfs_atomic_inc(&lcm->lcm_refcount);
return lcm;
}
static inline void
lcm_put(struct llog_commit_master *lcm)
{
- if (!cfs_atomic_dec_and_test(&lcm->lcm_refcount)) {
- return ;
- }
- OBD_FREE_PTR(lcm);
+ LASSERT_ATOMIC_POS(&lcm->lcm_refcount);
+ if (cfs_atomic_dec_and_test(&lcm->lcm_refcount))
+ OBD_FREE_PTR(lcm);
}
struct llog_canceld_ctxt {
{
struct obd_device *obd = ctxt->loc_exp->exp_obd;
- if (!strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME))
- ctxt->loc_gen.mnt_cnt = obd->u.mds.mds_mount_count;
- else if (!strstr(obd->obd_type->typ_name, LUSTRE_OST_NAME))
- ctxt->loc_gen.mnt_cnt = obd->u.filter.fo_mount_count;
- else
- ctxt->loc_gen.mnt_cnt = 0;
+ LASSERTF(obd->u.obt.obt_magic == OBT_MAGIC,
+ "%s: wrong obt magic %#x\n",
+ obd->obd_name, obd->u.obt.obt_magic);
+ ctxt->loc_gen.mnt_cnt = obd->u.obt.obt_mount_count;
ctxt->loc_gen.conn_cnt++;
}
static inline struct llog_ctxt *llog_ctxt_get(struct llog_ctxt *ctxt)
{
- LASSERT(cfs_atomic_read(&ctxt->loc_refcount) > 0);
cfs_atomic_inc(&ctxt->loc_refcount);
CDEBUG(D_INFO, "GETting ctxt %p : new refcount %d\n", ctxt,
cfs_atomic_read(&ctxt->loc_refcount));
{
if (ctxt == NULL)
return;
- LASSERT(cfs_atomic_read(&ctxt->loc_refcount) > 0);
- LASSERT(cfs_atomic_read(&ctxt->loc_refcount) < 0x5a5a5a);
+ LASSERT_ATOMIC_GT_LT(&ctxt->loc_refcount, 0, LI_POISON);
CDEBUG(D_INFO, "PUTting ctxt %p : new refcount %d\n", ctxt,
cfs_atomic_read(&ctxt->loc_refcount) - 1);
__llog_ctxt_put(ctxt);
{
cfs_waitq_init(&olg->olg_waitq);
cfs_spin_lock_init(&olg->olg_lock);
- cfs_sema_init(&olg->olg_cat_processing, 1);
- olg->olg_group = group;
+ cfs_mutex_init(&olg->olg_cat_processing);
+ olg->olg_seq = group;
}
static inline void llog_group_set_export(struct obd_llog_group *olg,
cfs_spin_lock(&olg->olg_lock);
if (olg->olg_exp != NULL && olg->olg_exp != exp)
CWARN("%s: export for group %d is changed: 0x%p -> 0x%p\n",
- exp->exp_obd->obd_name, olg->olg_group,
+ exp->exp_obd->obd_name, olg->olg_seq,
olg->olg_exp, exp);
olg->olg_exp = exp;
cfs_spin_unlock(&olg->olg_lock);
int lustre_end_log(struct super_block *sb, char *logname,
struct config_llog_instance *cfg);
+/** @} log */
+
#endif