From 4e857c58efeb99393cba5a5d0d8ec7117183137c Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 17 Mar 2014 18:06:10 +0100 Subject: arch: Mass conversion of smp_mb__*() Mostly scripted conversion of the smp_mb__* barriers. Signed-off-by: Peter Zijlstra Acked-by: Paul E. McKenney Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org Cc: Linus Torvalds Cc: linux-arch@vger.kernel.org Signed-off-by: Ingo Molnar --- drivers/target/loopback/tcm_loop.c | 4 +-- drivers/target/target_core_alua.c | 26 ++++++++-------- drivers/target/target_core_device.c | 6 ++-- drivers/target/target_core_iblock.c | 2 +- drivers/target/target_core_pr.c | 56 +++++++++++++++++----------------- drivers/target/target_core_transport.c | 16 +++++----- drivers/target/target_core_ua.c | 10 +++--- 7 files changed, 60 insertions(+), 60 deletions(-) (limited to 'drivers/target') diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index c886ad1c39fb..73ab75ddaf42 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -951,7 +951,7 @@ static int tcm_loop_port_link( struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba; atomic_inc(&tl_tpg->tl_tpg_port_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); /* * Add Linux/SCSI struct scsi_device by HCTL */ @@ -986,7 +986,7 @@ static void tcm_loop_port_unlink( scsi_device_put(sd); atomic_dec(&tl_tpg->tl_tpg_port_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); pr_debug("TCM_Loop_ConfigFS: Port Unlink Successful\n"); } diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index fcbe6125b73e..0b79b852f4b2 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -393,7 +393,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) continue; atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); @@ -404,7 +404,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); break; } spin_unlock(&dev->t10_alua.tg_pt_gps_lock); @@ -990,7 +990,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) * TARGET PORT GROUPS command */ atomic_inc(&mem->tg_pt_gp_mem_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&tg_pt_gp->tg_pt_gp_lock); spin_lock_bh(&port->sep_alua_lock); @@ -1020,7 +1020,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) spin_lock(&tg_pt_gp->tg_pt_gp_lock); atomic_dec(&mem->tg_pt_gp_mem_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&tg_pt_gp->tg_pt_gp_lock); /* @@ -1054,7 +1054,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state)); spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); if (tg_pt_gp->tg_pt_gp_transition_complete) @@ -1116,7 +1116,7 @@ static int core_alua_do_transition_tg_pt( */ spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs) { @@ -1159,7 +1159,7 @@ int core_alua_do_port_transition( spin_lock(&local_lu_gp_mem->lu_gp_mem_lock); lu_gp = local_lu_gp_mem->lu_gp; atomic_inc(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&local_lu_gp_mem->lu_gp_mem_lock); /* * For storage objects that are members of the 'default_lu_gp', @@ -1176,7 +1176,7 @@ int core_alua_do_port_transition( rc = core_alua_do_transition_tg_pt(l_tg_pt_gp, new_state, explicit); atomic_dec(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); return rc; } /* @@ -1190,7 +1190,7 @@ int core_alua_do_port_transition( dev = lu_gp_mem->lu_gp_mem_dev; atomic_inc(&lu_gp_mem->lu_gp_mem_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&lu_gp->lu_gp_lock); spin_lock(&dev->t10_alua.tg_pt_gps_lock); @@ -1219,7 +1219,7 @@ int core_alua_do_port_transition( tg_pt_gp->tg_pt_gp_alua_nacl = NULL; } atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); /* * core_alua_do_transition_tg_pt() will always return @@ -1230,7 +1230,7 @@ int core_alua_do_port_transition( spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); if (rc) break; } @@ -1238,7 +1238,7 @@ int core_alua_do_port_transition( spin_lock(&lu_gp->lu_gp_lock); atomic_dec(&lu_gp_mem->lu_gp_mem_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&lu_gp->lu_gp_lock); @@ -1252,7 +1252,7 @@ int core_alua_do_port_transition( } atomic_dec(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); return rc; } diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 65001e133670..72618776ede4 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -225,7 +225,7 @@ struct se_dev_entry *core_get_se_deve_from_rtpi( continue; atomic_inc(&deve->pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock_irq(&nacl->device_list_lock); return deve; @@ -1392,7 +1392,7 @@ int core_dev_add_initiator_node_lun_acl( spin_lock(&lun->lun_acl_lock); list_add_tail(&lacl->lacl_list, &lun->lun_acl_list); atomic_inc(&lun->lun_acl_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&lun->lun_acl_lock); pr_debug("%s_TPG[%hu]_LUN[%u->%u] - Added %s ACL for " @@ -1426,7 +1426,7 @@ int core_dev_del_initiator_node_lun_acl( spin_lock(&lun->lun_acl_lock); list_del(&lacl->lacl_list); atomic_dec(&lun->lun_acl_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); spin_unlock(&lun->lun_acl_lock); core_disable_device_list_for_node(lun, NULL, lacl->mapped_lun, diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 9e0232cca92e..7e6b857c6b3f 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -323,7 +323,7 @@ static void iblock_bio_done(struct bio *bio, int err) * Bump the ib_bio_err_cnt and release bio. */ atomic_inc(&ibr->ib_bio_err_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); } bio_put(bio); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 3013287a2aaa..df357862286e 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -675,7 +675,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( spin_lock(&dev->se_port_lock); list_for_each_entry_safe(port, port_tmp, &dev->dev_sep_list, sep_list) { atomic_inc(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->se_port_lock); spin_lock_bh(&port->sep_alua_lock); @@ -710,7 +710,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( continue; atomic_inc(&deve_tmp->pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock_bh(&port->sep_alua_lock); /* * Grab a configfs group dependency that is released @@ -723,9 +723,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( pr_err("core_scsi3_lunacl_depend" "_item() failed\n"); atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); atomic_dec(&deve_tmp->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); goto out; } /* @@ -740,9 +740,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( sa_res_key, all_tg_pt, aptpl); if (!pr_reg_atp) { atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); atomic_dec(&deve_tmp->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); core_scsi3_lunacl_undepend_item(deve_tmp); goto out; } @@ -755,7 +755,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( spin_lock(&dev->se_port_lock); atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&dev->se_port_lock); @@ -1110,7 +1110,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( continue; } atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&pr_tmpl->registration_lock); return pr_reg; } @@ -1125,7 +1125,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( continue; atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&pr_tmpl->registration_lock); return pr_reg; } @@ -1155,7 +1155,7 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg( static void core_scsi3_put_pr_reg(struct t10_pr_registration *pr_reg) { atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } static int core_scsi3_check_implicit_release( @@ -1349,7 +1349,7 @@ static void core_scsi3_tpg_undepend_item(struct se_portal_group *tpg) &tpg->tpg_group.cg_item); atomic_dec(&tpg->tpg_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } static int core_scsi3_nodeacl_depend_item(struct se_node_acl *nacl) @@ -1369,7 +1369,7 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl) if (nacl->dynamic_node_acl) { atomic_dec(&nacl->acl_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); return; } @@ -1377,7 +1377,7 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl) &nacl->acl_group.cg_item); atomic_dec(&nacl->acl_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve) @@ -1408,7 +1408,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) */ if (!lun_acl) { atomic_dec(&se_deve->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); return; } nacl = lun_acl->se_lun_nacl; @@ -1418,7 +1418,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) &lun_acl->se_lun_group.cg_item); atomic_dec(&se_deve->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } static sense_reason_t @@ -1552,14 +1552,14 @@ core_scsi3_decode_spec_i_port( continue; atomic_inc(&tmp_tpg->tpg_pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->se_port_lock); if (core_scsi3_tpg_depend_item(tmp_tpg)) { pr_err(" core_scsi3_tpg_depend_item()" " for tmp_tpg\n"); atomic_dec(&tmp_tpg->tpg_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_unmap; } @@ -1573,7 +1573,7 @@ core_scsi3_decode_spec_i_port( tmp_tpg, i_str); if (dest_node_acl) { atomic_inc(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); } spin_unlock_irq(&tmp_tpg->acl_node_lock); @@ -1587,7 +1587,7 @@ core_scsi3_decode_spec_i_port( pr_err("configfs_depend_item() failed" " for dest_node_acl->acl_group\n"); atomic_dec(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); core_scsi3_tpg_undepend_item(tmp_tpg); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_unmap; @@ -1647,7 +1647,7 @@ core_scsi3_decode_spec_i_port( pr_err("core_scsi3_lunacl_depend_item()" " failed\n"); atomic_dec(&dest_se_deve->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -3168,14 +3168,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, continue; atomic_inc(&dest_se_tpg->tpg_pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&dev->se_port_lock); if (core_scsi3_tpg_depend_item(dest_se_tpg)) { pr_err("core_scsi3_tpg_depend_item() failed" " for dest_se_tpg\n"); atomic_dec(&dest_se_tpg->tpg_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_put_pr_reg; } @@ -3273,7 +3273,7 @@ after_iport_check: initiator_str); if (dest_node_acl) { atomic_inc(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); } spin_unlock_irq(&dest_se_tpg->acl_node_lock); @@ -3289,7 +3289,7 @@ after_iport_check: pr_err("core_scsi3_nodeacl_depend_item() for" " dest_node_acl\n"); atomic_dec(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); dest_node_acl = NULL; ret = TCM_INVALID_PARAMETER_LIST; goto out; @@ -3314,7 +3314,7 @@ after_iport_check: if (core_scsi3_lunacl_depend_item(dest_se_deve)) { pr_err("core_scsi3_lunacl_depend_item() failed\n"); atomic_dec(&dest_se_deve->pr_ref_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); dest_se_deve = NULL; ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out; @@ -3880,7 +3880,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) add_desc_len = 0; atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock(&pr_tmpl->registration_lock); /* * Determine expected length of $FABRIC_MOD specific @@ -3894,7 +3894,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) " out of buffer: %d\n", cmd->data_length); spin_lock(&pr_tmpl->registration_lock); atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); break; } /* @@ -3956,7 +3956,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) spin_lock(&pr_tmpl->registration_lock); atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); /* * Set the ADDITIONAL DESCRIPTOR LENGTH */ diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index d4b98690a736..4badca1cd625 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -736,7 +736,7 @@ void target_qf_do_work(struct work_struct *work) list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) { list_del(&cmd->se_qf_node); atomic_dec(&dev->dev_qf_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue" " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd, @@ -1148,7 +1148,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd) * Dormant to Active status. */ cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", cmd->se_ordered_id, cmd->sam_task_attr, dev->transport->name); @@ -1705,7 +1705,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd) return false; case MSG_ORDERED_TAG: atomic_inc(&dev->dev_ordered_sync); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); pr_debug("Added ORDERED for CDB: 0x%02x to ordered list, " " se_ordered_id: %u\n", @@ -1723,7 +1723,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd) * For SIMPLE and UNTAGGED Task Attribute commands */ atomic_inc(&dev->simple_cmds); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); break; } @@ -1828,7 +1828,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd) if (cmd->sam_task_attr == MSG_SIMPLE_TAG) { atomic_dec(&dev->simple_cmds); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); dev->dev_cur_ordered_id++; pr_debug("Incremented dev->dev_cur_ordered_id: %u for" " SIMPLE: %u\n", dev->dev_cur_ordered_id, @@ -1840,7 +1840,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd) cmd->se_ordered_id); } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) { atomic_dec(&dev->dev_ordered_sync); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:" @@ -1899,7 +1899,7 @@ static void transport_handle_queue_full( spin_lock_irq(&dev->qf_cmd_lock); list_add_tail(&cmd->se_qf_node, &cmd->se_dev->qf_cmd_list); atomic_inc(&dev->dev_qf_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); spin_unlock_irq(&cmd->se_dev->qf_cmd_lock); schedule_work(&cmd->se_dev->qf_work_queue); @@ -2875,7 +2875,7 @@ void transport_send_task_abort(struct se_cmd *cmd) if (cmd->se_tfo->write_pending_status(cmd) != 0) { cmd->transport_state |= CMD_T_ABORTED; cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS; - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); return; } } diff --git a/drivers/target/target_core_ua.c b/drivers/target/target_core_ua.c index 505519b10cb7..101858e245b3 100644 --- a/drivers/target/target_core_ua.c +++ b/drivers/target/target_core_ua.c @@ -162,7 +162,7 @@ int core_scsi3_ua_allocate( spin_unlock_irq(&nacl->device_list_lock); atomic_inc(&deve->ua_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); return 0; } list_add_tail(&ua->ua_nacl_list, &deve->ua_list); @@ -175,7 +175,7 @@ int core_scsi3_ua_allocate( asc, ascq); atomic_inc(&deve->ua_count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); return 0; } @@ -190,7 +190,7 @@ void core_scsi3_ua_release_all( kmem_cache_free(se_ua_cache, ua); atomic_dec(&deve->ua_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&deve->ua_lock); } @@ -251,7 +251,7 @@ void core_scsi3_ua_for_check_condition( kmem_cache_free(se_ua_cache, ua); atomic_dec(&deve->ua_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&deve->ua_lock); spin_unlock_irq(&nacl->device_list_lock); @@ -310,7 +310,7 @@ int core_scsi3_ua_clear_for_request_sense( kmem_cache_free(se_ua_cache, ua); atomic_dec(&deve->ua_count); - smp_mb__after_atomic_dec(); + smp_mb__after_atomic(); } spin_unlock(&deve->ua_lock); spin_unlock_irq(&nacl->device_list_lock); 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