diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_dlm_flags.h')
| -rw-r--r-- | drivers/staging/lustre/lustre/include/lustre_dlm_flags.h | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h deleted file mode 100644 index 53db031c4c8c..000000000000 --- a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h +++ /dev/null @@ -1,402 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* -*- buffer-read-only: t -*- vi: set ro: - * - * 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. - * - * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - */ -/** - * \file lustre_dlm_flags.h - * The flags and collections of flags (masks) for \see struct ldlm_lock. - * - * \addtogroup LDLM Lustre Distributed Lock Manager - * @{ - * - * \name flags - * The flags and collections of flags (masks) for \see struct ldlm_lock. - * @{ - */ -#ifndef LDLM_ALL_FLAGS_MASK - -/** l_flags bits marked as "all_flags" bits */ -#define LDLM_FL_ALL_FLAGS_MASK 0x00FFFFFFC08F932FULL - -/** extent, mode, or resource changed */ -#define LDLM_FL_LOCK_CHANGED 0x0000000000000001ULL /* bit 0 */ -#define ldlm_is_lock_changed(_l) LDLM_TEST_FLAG((_l), 1ULL << 0) -#define ldlm_set_lock_changed(_l) LDLM_SET_FLAG((_l), 1ULL << 0) -#define ldlm_clear_lock_changed(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 0) - -/** - * Server placed lock on granted list, or a recovering client wants the - * lock added to the granted list, no questions asked. - */ -#define LDLM_FL_BLOCK_GRANTED 0x0000000000000002ULL /* bit 1 */ -#define ldlm_is_block_granted(_l) LDLM_TEST_FLAG((_l), 1ULL << 1) -#define ldlm_set_block_granted(_l) LDLM_SET_FLAG((_l), 1ULL << 1) -#define ldlm_clear_block_granted(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 1) - -/** - * Server placed lock on conv list, or a recovering client wants the lock - * added to the conv list, no questions asked. - */ -#define LDLM_FL_BLOCK_CONV 0x0000000000000004ULL /* bit 2 */ -#define ldlm_is_block_conv(_l) LDLM_TEST_FLAG((_l), 1ULL << 2) -#define ldlm_set_block_conv(_l) LDLM_SET_FLAG((_l), 1ULL << 2) -#define ldlm_clear_block_conv(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 2) - -/** - * Server placed lock on wait list, or a recovering client wants the lock - * added to the wait list, no questions asked. - */ -#define LDLM_FL_BLOCK_WAIT 0x0000000000000008ULL /* bit 3 */ -#define ldlm_is_block_wait(_l) LDLM_TEST_FLAG((_l), 1ULL << 3) -#define ldlm_set_block_wait(_l) LDLM_SET_FLAG((_l), 1ULL << 3) -#define ldlm_clear_block_wait(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 3) - -/** 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_ast_sent(_l) LDLM_SET_FLAG((_l), 1ULL << 5) -#define ldlm_clear_ast_sent(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 5) - -/** - * Lock is being replayed. This could probably be implied by the fact that - * one of BLOCK_{GRANTED,CONV,WAIT} is set, but that is pretty dangerous. - */ -#define LDLM_FL_REPLAY 0x0000000000000100ULL /* bit 8 */ -#define ldlm_is_replay(_l) LDLM_TEST_FLAG((_l), 1ULL << 8) -#define ldlm_set_replay(_l) LDLM_SET_FLAG((_l), 1ULL << 8) -#define ldlm_clear_replay(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 8) - -/** Don't grant lock, just do intent. */ -#define LDLM_FL_INTENT_ONLY 0x0000000000000200ULL /* bit 9 */ -#define ldlm_is_intent_only(_l) LDLM_TEST_FLAG((_l), 1ULL << 9) -#define ldlm_set_intent_only(_l) LDLM_SET_FLAG((_l), 1ULL << 9) -#define ldlm_clear_intent_only(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 9) - -/** lock request has intent */ -#define LDLM_FL_HAS_INTENT 0x0000000000001000ULL /* bit 12 */ -#define ldlm_is_has_intent(_l) LDLM_TEST_FLAG((_l), 1ULL << 12) -#define ldlm_set_has_intent(_l) LDLM_SET_FLAG((_l), 1ULL << 12) -#define ldlm_clear_has_intent(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 12) - -/** flock deadlock detected */ -#define LDLM_FL_FLOCK_DEADLOCK 0x0000000000008000ULL /* bit 15 */ -#define ldlm_is_flock_deadlock(_l) LDLM_TEST_FLAG((_l), 1ULL << 15) -#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 */ -#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_clear_discard_data(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 16) - -/** Blocked by group lock - wait indefinitely */ -#define LDLM_FL_NO_TIMEOUT 0x0000000000020000ULL /* bit 17 */ -#define ldlm_is_no_timeout(_l) LDLM_TEST_FLAG((_l), 1ULL << 17) -#define ldlm_set_no_timeout(_l) LDLM_SET_FLAG((_l), 1ULL << 17) -#define ldlm_clear_no_timeout(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 17) - -/** - * Server told not to wait if blocked. For AGL, OST will not send glimpse - * callback. - */ -#define LDLM_FL_BLOCK_NOWAIT 0x0000000000040000ULL /* bit 18 */ -#define ldlm_is_block_nowait(_l) LDLM_TEST_FLAG((_l), 1ULL << 18) -#define ldlm_set_block_nowait(_l) LDLM_SET_FLAG((_l), 1ULL << 18) -#define ldlm_clear_block_nowait(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 18) - -/** return blocking lock */ -#define LDLM_FL_TEST_LOCK 0x0000000000080000ULL /* bit 19 */ -#define ldlm_is_test_lock(_l) LDLM_TEST_FLAG((_l), 1ULL << 19) -#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 */ - -/** - * Immediately cancel such locks when they block some other locks. Send - * cancel notification to original lock holder, but expect no reply. This - * is for clients (like liblustre) that cannot be expected to reliably - * response to blocking AST. - */ -#define LDLM_FL_CANCEL_ON_BLOCK 0x0000000000800000ULL /* bit 23 */ -#define ldlm_is_cancel_on_block(_l) LDLM_TEST_FLAG((_l), 1ULL << 23) -#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) - -/** - * measure lock contention and return -EUSERS if locking contention is high - */ -#define LDLM_FL_DENY_ON_CONTENTION 0x0000000040000000ULL /* bit 30 */ -#define ldlm_is_deny_on_contention(_l) LDLM_TEST_FLAG((_l), 1ULL << 30) -#define ldlm_set_deny_on_contention(_l) LDLM_SET_FLAG((_l), 1ULL << 30) -#define ldlm_clear_deny_on_contention(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 30) - -/** - * These are flags that are mapped into the flags and ASTs of blocking - * locks Add FL_DISCARD to blocking ASTs - */ -#define LDLM_FL_AST_DISCARD_DATA 0x0000000080000000ULL /* bit 31 */ -#define ldlm_is_ast_discard_data(_l) LDLM_TEST_FLAG((_l), 1ULL << 31) -#define ldlm_set_ast_discard_data(_l) LDLM_SET_FLAG((_l), 1ULL << 31) -#define ldlm_clear_ast_discard_data(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 31) - -/** - * Used for marking lock as a target for -EINTR while cp_ast sleep emulation - * + race with upcoming bl_ast. - */ -#define LDLM_FL_FAIL_LOC 0x0000000100000000ULL /* bit 32 */ -#define ldlm_is_fail_loc(_l) LDLM_TEST_FLAG((_l), 1ULL << 32) -#define ldlm_set_fail_loc(_l) LDLM_SET_FLAG((_l), 1ULL << 32) -#define ldlm_clear_fail_loc(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 32) - -/** - * Used while processing the unused list to know that we have already - * handled this lock and decided to skip it. - */ -#define LDLM_FL_SKIPPED 0x0000000200000000ULL /* bit 33 */ -#define ldlm_is_skipped(_l) LDLM_TEST_FLAG((_l), 1ULL << 33) -#define ldlm_set_skipped(_l) LDLM_SET_FLAG((_l), 1ULL << 33) -#define ldlm_clear_skipped(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 33) - -/** this lock is being destroyed */ -#define LDLM_FL_CBPENDING 0x0000000400000000ULL /* bit 34 */ -#define ldlm_is_cbpending(_l) LDLM_TEST_FLAG((_l), 1ULL << 34) -#define ldlm_set_cbpending(_l) LDLM_SET_FLAG((_l), 1ULL << 34) -#define ldlm_clear_cbpending(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 34) - -/** not a real flag, not saved in lock */ -#define LDLM_FL_WAIT_NOREPROC 0x0000000800000000ULL /* bit 35 */ -#define ldlm_is_wait_noreproc(_l) LDLM_TEST_FLAG((_l), 1ULL << 35) -#define ldlm_set_wait_noreproc(_l) LDLM_SET_FLAG((_l), 1ULL << 35) -#define ldlm_clear_wait_noreproc(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 35) - -/** cancellation callback already run */ -#define LDLM_FL_CANCEL 0x0000001000000000ULL /* bit 36 */ -#define ldlm_is_cancel(_l) LDLM_TEST_FLAG((_l), 1ULL << 36) -#define ldlm_set_cancel(_l) LDLM_SET_FLAG((_l), 1ULL << 36) -#define ldlm_clear_cancel(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 36) - -/** whatever it might mean -- never transmitted? */ -#define LDLM_FL_LOCAL_ONLY 0x0000002000000000ULL /* bit 37 */ -#define ldlm_is_local_only(_l) LDLM_TEST_FLAG((_l), 1ULL << 37) -#define ldlm_set_local_only(_l) LDLM_SET_FLAG((_l), 1ULL << 37) -#define ldlm_clear_local_only(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 37) - -/** don't run the cancel callback under ldlm_cli_cancel_unused */ -#define LDLM_FL_FAILED 0x0000004000000000ULL /* bit 38 */ -#define ldlm_is_failed(_l) LDLM_TEST_FLAG((_l), 1ULL << 38) -#define ldlm_set_failed(_l) LDLM_SET_FLAG((_l), 1ULL << 38) -#define ldlm_clear_failed(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 38) - -/** lock cancel has already been sent */ -#define LDLM_FL_CANCELING 0x0000008000000000ULL /* bit 39 */ -#define ldlm_is_canceling(_l) LDLM_TEST_FLAG((_l), 1ULL << 39) -#define ldlm_set_canceling(_l) LDLM_SET_FLAG((_l), 1ULL << 39) -#define ldlm_clear_canceling(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 39) - -/** local lock (ie, no srv/cli split) */ -#define LDLM_FL_LOCAL 0x0000010000000000ULL /* bit 40 */ -#define ldlm_is_local(_l) LDLM_TEST_FLAG((_l), 1ULL << 40) -#define ldlm_set_local(_l) LDLM_SET_FLAG((_l), 1ULL << 40) -#define ldlm_clear_local(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 40) - -/** - * XXX FIXME: This is being added to b_size as a low-risk fix to the - * fact that the LVB filling happens _after_ the lock has been granted, - * so another thread can match it before the LVB has been updated. As a - * dirty hack, we set LDLM_FL_LVB_READY only after we've done the LVB poop. - * this is only needed on LOV/OSC now, where LVB is actually used and - * callers must set it in input flags. - * - * The proper fix is to do the granting inside of the completion AST, - * which can be replaced with a LVB-aware wrapping function for OSC locks. - * That change is pretty high-risk, though, and would need a lot more - * testing. - */ -#define LDLM_FL_LVB_READY 0x0000020000000000ULL /* bit 41 */ -#define ldlm_is_lvb_ready(_l) LDLM_TEST_FLAG((_l), 1ULL << 41) -#define ldlm_set_lvb_ready(_l) LDLM_SET_FLAG((_l), 1ULL << 41) -#define ldlm_clear_lvb_ready(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 41) - -/** - * A lock contributes to the known minimum size (KMS) calculation until it - * has finished the part of its cancellation that performs write back on its - * dirty pages. It can remain on the granted list during this whole time. - * Threads racing to update the KMS after performing their writeback need - * to know to exclude each other's locks from the calculation as they walk - * the granted list. - */ -#define LDLM_FL_KMS_IGNORE 0x0000040000000000ULL /* bit 42 */ -#define ldlm_is_kms_ignore(_l) LDLM_TEST_FLAG((_l), 1ULL << 42) -#define ldlm_set_kms_ignore(_l) LDLM_SET_FLAG((_l), 1ULL << 42) -#define ldlm_clear_kms_ignore(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 42) - -/** completion AST to be executed */ -#define LDLM_FL_CP_REQD 0x0000080000000000ULL /* bit 43 */ -#define ldlm_is_cp_reqd(_l) LDLM_TEST_FLAG((_l), 1ULL << 43) -#define ldlm_set_cp_reqd(_l) LDLM_SET_FLAG((_l), 1ULL << 43) -#define ldlm_clear_cp_reqd(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 43) - -/** cleanup_resource has already handled the lock */ -#define LDLM_FL_CLEANED 0x0000100000000000ULL /* bit 44 */ -#define ldlm_is_cleaned(_l) LDLM_TEST_FLAG((_l), 1ULL << 44) -#define ldlm_set_cleaned(_l) LDLM_SET_FLAG((_l), 1ULL << 44) -#define ldlm_clear_cleaned(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 44) - -/** - * optimization hint: LDLM can run blocking callback from current context - * w/o involving separate thread. in order to decrease cs rate - */ -#define LDLM_FL_ATOMIC_CB 0x0000200000000000ULL /* bit 45 */ -#define ldlm_is_atomic_cb(_l) LDLM_TEST_FLAG((_l), 1ULL << 45) -#define ldlm_set_atomic_cb(_l) LDLM_SET_FLAG((_l), 1ULL << 45) -#define ldlm_clear_atomic_cb(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 45) - -/** - * It may happen that a client initiates two operations, e.g. unlink and - * mkdir, such that the server sends a blocking AST for conflicting locks - * to this client for the first operation, whereas the second operation - * has canceled this lock and is waiting for rpc_lock which is taken by - * the first operation. LDLM_FL_BL_AST is set by ldlm_callback_handler() in - * the lock to prevent the Early Lock Cancel (ELC) code from cancelling it. - */ -#define LDLM_FL_BL_AST 0x0000400000000000ULL /* bit 46 */ -#define ldlm_is_bl_ast(_l) LDLM_TEST_FLAG((_l), 1ULL << 46) -#define ldlm_set_bl_ast(_l) LDLM_SET_FLAG((_l), 1ULL << 46) -#define ldlm_clear_bl_ast(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 46) - -/** - * Set by ldlm_cancel_callback() when lock cache is dropped to let - * ldlm_callback_handler() return EINVAL to the server. It is used when - * ELC RPC is already prepared and is waiting for rpc_lock, too late to - * send a separate CANCEL RPC. - */ -#define LDLM_FL_BL_DONE 0x0000800000000000ULL /* bit 47 */ -#define ldlm_is_bl_done(_l) LDLM_TEST_FLAG((_l), 1ULL << 47) -#define ldlm_set_bl_done(_l) LDLM_SET_FLAG((_l), 1ULL << 47) -#define ldlm_clear_bl_done(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 47) - -/** - * Don't put lock into the LRU list, so that it is not canceled due - * to aging. Used by MGC locks, they are cancelled only at unmount or - * by callback. - */ -#define LDLM_FL_NO_LRU 0x0001000000000000ULL /* bit 48 */ -#define ldlm_is_no_lru(_l) LDLM_TEST_FLAG((_l), 1ULL << 48) -#define ldlm_set_no_lru(_l) LDLM_SET_FLAG((_l), 1ULL << 48) -#define ldlm_clear_no_lru(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 48) - -/** - * Set for locks that failed and where the server has been notified. - * - * Protected by lock and resource locks. - */ -#define LDLM_FL_FAIL_NOTIFIED 0x0002000000000000ULL /* bit 49 */ -#define ldlm_is_fail_notified(_l) LDLM_TEST_FLAG((_l), 1ULL << 49) -#define ldlm_set_fail_notified(_l) LDLM_SET_FLAG((_l), 1ULL << 49) -#define ldlm_clear_fail_notified(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 49) - -/** - * Set for locks that were removed from class hash table and will - * be destroyed when last reference to them is released. Set by - * ldlm_lock_destroy_internal(). - * - * Protected by lock and resource locks. - */ -#define LDLM_FL_DESTROYED 0x0004000000000000ULL /* bit 50 */ -#define ldlm_is_destroyed(_l) LDLM_TEST_FLAG((_l), 1ULL << 50) -#define ldlm_set_destroyed(_l) LDLM_SET_FLAG((_l), 1ULL << 50) -#define ldlm_clear_destroyed(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 50) - -/** flag whether this is a server namespace lock */ -#define LDLM_FL_SERVER_LOCK 0x0008000000000000ULL /* bit 51 */ -#define ldlm_is_server_lock(_l) LDLM_TEST_FLAG((_l), 1ULL << 51) -#define ldlm_set_server_lock(_l) LDLM_SET_FLAG((_l), 1ULL << 51) -#define ldlm_clear_server_lock(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 51) - -/** - * It's set in lock_res_and_lock() and unset in unlock_res_and_lock(). - * - * NB: compared with check_res_locked(), checking this bit is cheaper. - * Also, spin_is_locked() is deprecated for kernel code; one reason is - * because it works only for SMP so user needs to add extra macros like - * LASSERT_SPIN_LOCKED for uniprocessor kernels. - */ -#define LDLM_FL_RES_LOCKED 0x0010000000000000ULL /* bit 52 */ -#define ldlm_is_res_locked(_l) LDLM_TEST_FLAG((_l), 1ULL << 52) -#define ldlm_set_res_locked(_l) LDLM_SET_FLAG((_l), 1ULL << 52) -#define ldlm_clear_res_locked(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 52) - -/** - * It's set once we call ldlm_add_waiting_lock_res_locked() to start the - * lock-timeout timer and it will never be reset. - * - * Protected by lock and resource locks. - */ -#define LDLM_FL_WAITED 0x0020000000000000ULL /* bit 53 */ -#define ldlm_is_waited(_l) LDLM_TEST_FLAG((_l), 1ULL << 53) -#define ldlm_set_waited(_l) LDLM_SET_FLAG((_l), 1ULL << 53) -#define ldlm_clear_waited(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 53) - -/** Flag whether this is a server namespace lock. */ -#define LDLM_FL_NS_SRV 0x0040000000000000ULL /* bit 54 */ -#define ldlm_is_ns_srv(_l) LDLM_TEST_FLAG((_l), 1ULL << 54) -#define ldlm_set_ns_srv(_l) LDLM_SET_FLAG((_l), 1ULL << 54) -#define ldlm_clear_ns_srv(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 54) - -/** Flag whether this lock can be reused. Used by exclusive open. */ -#define LDLM_FL_EXCL 0x0080000000000000ULL /* bit 55 */ -#define ldlm_is_excl(_l) LDLM_TEST_FLAG((_l), 1ULL << 55) -#define ldlm_set_excl(_l) LDLM_SET_FLAG((_l), 1ULL << 55) -#define ldlm_clear_excl(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 55) - -/** l_flags bits marked as "ast" bits */ -#define LDLM_FL_AST_MASK (LDLM_FL_FLOCK_DEADLOCK |\ - LDLM_FL_AST_DISCARD_DATA) - -/** l_flags bits marked as "blocked" bits */ -#define LDLM_FL_BLOCKED_MASK (LDLM_FL_BLOCK_GRANTED |\ - LDLM_FL_BLOCK_CONV |\ - LDLM_FL_BLOCK_WAIT) - -/** l_flags bits marked as "gone" bits */ -#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. */ -#define LDLM_FL_INHERIT_MASK (LDLM_FL_CANCEL_ON_BLOCK |\ - LDLM_FL_NO_TIMEOUT |\ - LDLM_FL_TEST_LOCK) - -/** test for ldlm_lock flag bit set */ -#define LDLM_TEST_FLAG(_l, _b) (((_l)->l_flags & (_b)) != 0) - -/** multi-bit test: are any of mask bits set? */ -#define LDLM_HAVE_MASK(_l, _m) ((_l)->l_flags & LDLM_FL_##_m##_MASK) - -/** set a ldlm_lock flag bit */ -#define LDLM_SET_FLAG(_l, _b) ((_l)->l_flags |= (_b)) - -/** clear a ldlm_lock flag bit */ -#define LDLM_CLEAR_FLAG(_l, _b) ((_l)->l_flags &= ~(_b)) - -/** @} subgroup */ -/** @} group */ - -#endif /* LDLM_ALL_FLAGS_MASK */ |