LU-376 Positive LL_DIR_END_OFF to indicate the tail of dir hash/offset

[fs/lustre-release.git] / lustre / include / lustre_log.h

diff --git a/lustre/include/lustre_log.h b/lustre/include/lustre_log.h
index 2effa25..54f3f04 100644 (file)
--- a/lustre/include/lustre_log.h
+++ b/lustre/include/lustre_log.h
@@ -26,7 +26,7 @@
  * 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.
  */
 /*
@@ -329,7 +329,6 @@ struct llog_commit_master {
 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;
 }
@@ -337,10 +336,9 @@ static inline struct llog_commit_master
 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 {
@@ -389,12 +387,10 @@ static inline void llog_gen_init(struct llog_ctxt *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++;
 }
 
@@ -439,7 +435,6 @@ static inline int llog_data_len(int len)
 
 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));
@@ -450,8 +445,7 @@ static inline void llog_ctxt_put(struct llog_ctxt *ctxt)
 {
         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, 0x5a5a5a);
         CDEBUG(D_INFO, "PUTting ctxt %p : new refcount %d\n", ctxt,
                cfs_atomic_read(&ctxt->loc_refcount) - 1);
         __llog_ctxt_put(ctxt);
@@ -462,7 +456,7 @@ static inline void llog_group_init(struct obd_llog_group *olg, int group)
         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;
+        olg->olg_seq = group;
 }
 
 static inline void llog_group_set_export(struct obd_llog_group *olg,
@@ -473,7 +467,7 @@ 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);