#define ldlm_set_block_wait(_l) LDLM_SET_FLAG(( _l), 1ULL << 3)
#define ldlm_clear_block_wait(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 3)
+/**
+ * Lock request is speculative/asynchronous, and cannot wait for any reason.
+ * Fail the lock request if any blocking locks are encountered.
+ * */
+#define LDLM_FL_SPECULATIVE 0x0000000000000010ULL /* bit 4 */
+#define ldlm_is_speculative(_l) LDLM_TEST_FLAG((_l), 1ULL << 4)
+#define ldlm_set_speculative(_l) LDLM_SET_FLAG((_l), 1ULL << 4)
+#define ldlm_clear_specualtive_(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 4)
+
/** blocking or cancel packet was queued for sending. */
#define LDLM_FL_AST_SENT 0x0000000000000020ULL // bit 5
#define ldlm_is_ast_sent(_l) LDLM_TEST_FLAG(( _l), 1ULL << 5)
#define ldlm_set_flock_deadlock(_l) LDLM_SET_FLAG(( _l), 1ULL << 15)
#define ldlm_clear_flock_deadlock(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 15)
-/** discard (no writeback) on cancel */
+/** discard (no writeback (PW locks) or page retention (PR locks)) on cancel */
#define LDLM_FL_DISCARD_DATA 0x0000000000010000ULL // bit 16
#define ldlm_is_discard_data(_l) LDLM_TEST_FLAG(( _l), 1ULL << 16)
#define ldlm_set_discard_data(_l) LDLM_SET_FLAG(( _l), 1ULL << 16)
#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
#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)
+
+/**
+ * Part of original lockahead implementation, OBD_CONNECT_LOCKAHEAD_OLD.
+ * Reserved temporarily to allow those implementations to keep working.
+ * Will be removed after 2.12 release.
+ * */
+#define LDLM_FL_LOCKAHEAD_OLD_RESERVED 0x0000000010000000ULL /* bit 28 */
+#define ldlm_is_do_not_expand_io(_l) LDLM_TEST_FLAG((_l), 1ULL << 28)
+#define ldlm_set_do_not_expand_io(_l) LDLM_SET_FLAG((_l), 1ULL << 28)
+#define ldlm_clear_do_not_expand_io(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 28)
+
+/**
+ * Do not expand this lock. Grant it only on the extent requested.
+ * Used for manually requested locks from the client (LU_LADVISE_LOCKAHEAD).
+ * */
+#define LDLM_FL_NO_EXPANSION 0x0000000020000000ULL /* bit 29 */
+#define ldlm_is_do_not_expand(_l) LDLM_TEST_FLAG((_l), 1ULL << 29)
+#define ldlm_set_do_not_expand(_l) LDLM_SET_FLAG((_l), 1ULL << 29)
+#define ldlm_clear_do_not_expand(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 29)
+
/**
* measure lock contention and return -EUSERS if locking contention is high */
#define LDLM_FL_DENY_ON_CONTENTION 0x0000000040000000ULL // bit 30
/** 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)
#define LDLM_FL_GONE_MASK (LDLM_FL_DESTROYED |\
LDLM_FL_FAILED)
-/** l_flags bits marked as "inherit" bits */
-/* Flags inherited from wire on enqueue/reply between client/server. */
-/* NO_TIMEOUT flag to force ldlm_lock_match() to wait with no timeout. */
-/* TEST_LOCK flag to not let TEST lock to be granted. */
+/** l_flags bits marked as "inherit" bits
+ * Flags inherited from wire on enqueue/reply between client/server.
+ * CANCEL_ON_BLOCK so server will not grant if a blocking lock is found
+ * NO_TIMEOUT flag to force ldlm_lock_match() to wait with no timeout.
+ * TEST_LOCK flag to not let TEST lock to be granted.
+ * NO_EXPANSION to tell server not to expand extent of lock request */
#define LDLM_FL_INHERIT_MASK (LDLM_FL_CANCEL_ON_BLOCK |\
LDLM_FL_NO_TIMEOUT |\
- LDLM_FL_TEST_LOCK)
+ LDLM_FL_TEST_LOCK |\
+ LDLM_FL_NO_EXPANSION)
/** flags returned in @flags parameter on ldlm_lock_enqueue,
* to be re-constructed on re-send */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff