LU-5092 nodemap: transfer nodemaps between MGS, MDTs, and OSTs

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

diff --git a/lustre/include/lustre_dlm_flags.h b/lustre/include/lustre_dlm_flags.h
index 483e8da..9b7037e 100644 (file)
--- a/lustre/include/lustre_dlm_flags.h
+++ b/lustre/include/lustre_dlm_flags.h
@@ -1,17 +1,10 @@
 /*  -*- buffer-read-only: t -*- vi: set ro:
  *
- * DO NOT EDIT THIS FILE   (lustre_dlm_flags.h)
+ * 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.
  *
- * It has been AutoGen-ed
- * From the definitions    lustre_dlm_flags.def
- * and the template file   lustre_dlm_flags.tpl
- *
- * lustre is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * lustre is distributed in the hope that it will be useful, but
+ * Lustre 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 for more details.
@@ -22,8 +15,6 @@
 /**
  * \file lustre_dlm_flags.h
  * The flags and collections of flags (masks) for \see struct ldlm_lock.
- * This file is derived from flag definitions in lustre_dlm_flags.def.
- * The format is defined in the lustre_dlm_flags.tpl template file.
  *
  * \addtogroup LDLM Lustre Distributed Lock Manager
  * @{
@@ -125,6 +116,9 @@
 #define ldlm_set_test_lock(_l)          LDLM_SET_FLAG((  _l), 1ULL << 19)
 #define ldlm_clear_test_lock(_l)        LDLM_CLEAR_FLAG((_l), 1ULL << 19)
 
+/** match lock only */
+#define LDLM_FL_MATCH_LOCK               0x0000000000100000ULL // bit  20
+
 /**
  * Immediatelly cancel such locks when they block some other locks. Send
  * cancel notification to original lock holder, but expect no reply. This
@@ -135,6 +129,15 @@
 #define ldlm_set_cancel_on_block(_l)    LDLM_SET_FLAG((  _l), 1ULL << 23)
 #define ldlm_clear_cancel_on_block(_l)  LDLM_CLEAR_FLAG((_l), 1ULL << 23)
 
+/** Flag whether a lock is enqueued from a distributed transaction, and the
+ *  requesting lock mode is PW/EX, if so, it will check compatibility with COS
+ *  locks, and different from original COS semantic, transactions from the same
+ *  client is also treated as lock conflict. */
+#define LDLM_FL_COS_INCOMPAT           0x0000000001000000ULL /* bit  24 */
+#define ldlm_is_cos_incompat(_l)       LDLM_TEST_FLAG((_l), 1ULL << 24)
+#define ldlm_set_cos_incompat(_l)      LDLM_SET_FLAG((_l), 1ULL << 24)
+#define ldlm_clear_cos_incompat(_l)    LDLM_CLEAR_FLAG((_l), 1ULL << 24)
+
 /**
  * measure lock contention and return -EUSERS if locking contention is high */
 #define LDLM_FL_DENY_ON_CONTENTION        0x0000000040000000ULL // bit  30
@@ -351,6 +354,14 @@
 /** Flag whether a lock is found on server for re-sent RPC. */
 #define LDLM_FL_RESENT                   0x0100000000000000ULL // bit  56
 
+/** Flag whether Commit-on-Sharing is enabled, if LDLM_FL_COS_INCOMPAT is set
+ *  this flag may not be set because once the former is set this flag won't be
+ *  checked, and for cross-MDT lock COS_INCOMPAT is always set but ast handle is
+ *  in ldlm context which doesn't know whether COS is enabled or not. */
+#define LDLM_FL_COS_ENABLED              0x0200000000000000ULL /* bit  57 */
+#define ldlm_is_cos_enabled(_l)          LDLM_TEST_FLAG((_l), 1ULL << 57)
+#define ldlm_set_cos_enabled(_l)         LDLM_SET_FLAG((_l), 1ULL << 57)
+
 /** l_flags bits marked as "ast" bits */
 #define LDLM_FL_AST_MASK                (LDLM_FL_FLOCK_DEADLOCK                |\
                                         LDLM_FL_AST_DISCARD_DATA)