Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1129C6FD1F for ; Sat, 11 Mar 2023 09:32:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231147AbjCKJc5 (ORCPT ); Sat, 11 Mar 2023 04:32:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230062AbjCKJcf (ORCPT ); Sat, 11 Mar 2023 04:32:35 -0500 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC7F9C4899; Sat, 11 Mar 2023 01:32:31 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4PYd4C4T5vz4f3m6Z; Sat, 11 Mar 2023 17:32:27 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.127.227]) by APP3 (Coremail) with SMTP id _Ch0CgC3YiCqSgxkFn3mEg--.16173S6; Sat, 11 Mar 2023 17:32:29 +0800 (CST) From: Yu Kuai To: agk@redhat.com, snitzer@kernel.org, song@kernel.org Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next 2/5] md: refactor md_wakeup_thread() Date: Sat, 11 Mar 2023 17:31:45 +0800 Message-Id: <20230311093148.2595222-3-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230311093148.2595222-1-yukuai1@huaweicloud.com> References: <20230311093148.2595222-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: _Ch0CgC3YiCqSgxkFn3mEg--.16173S6 X-Coremail-Antispam: 1UD129KBjvAXoWfWry5tF48Ar17CFy5tr43Jrb_yoW5ZrWDKo Z5Cr1aqF18X3WF9FyrtwnxtFW3XryUJ34Syw1rZFWkWFnruws5W343Zay3Jrn5K3ZxWF18 XrnrWr4rGrn3K3yxn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjp_UUUYm7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20EY4v20xva j40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r15M28IrcIa0x kI8VCY1x0267AKxVW8JVW5JwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84AC jcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxGrwCFx2 IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v2 6r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67 AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IY s7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr 0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUc6pPUUUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yu Kuai Pass a md_thread pointer and a mddev to md_wakeup_thread(), prepare to use a disk level spinlock to protect md_thread, there are no functional changes. Signed-off-by: Yu Kuai --- drivers/md/dm-raid.c | 4 +-- drivers/md/md-bitmap.c | 6 ++-- drivers/md/md-cluster.c | 20 +++++------ drivers/md/md-multipath.c | 2 +- drivers/md/md.c | 76 ++++++++++++++++++++------------------- drivers/md/md.h | 4 +-- drivers/md/raid1.c | 10 +++--- drivers/md/raid10.c | 14 ++++---- drivers/md/raid5-cache.c | 12 +++---- drivers/md/raid5-ppl.c | 2 +- drivers/md/raid5.c | 31 ++++++++-------- 11 files changed, 93 insertions(+), 88 deletions(-) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 60632b409b80..257c9c9f2b4d 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3755,11 +3755,11 @@ static int raid_message(struct dm_target *ti, unsigned int argc, char **argv, */ mddev->ro = 0; if (!mddev->suspended && mddev->sync_thread) - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); } set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); if (!mddev->suspended && mddev->thread) - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); return 0; } diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index e7cc6ba1b657..9489510405f7 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -1942,7 +1942,7 @@ int md_bitmap_load(struct mddev *mddev) set_bit(MD_RECOVERY_NEEDED, &bitmap->mddev->recovery); mddev->thread->timeout = mddev->bitmap_info.daemon_sleep; - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); md_bitmap_update_sb(bitmap); @@ -2363,7 +2363,7 @@ location_store(struct mddev *mddev, const char *buf, size_t len) * metadata promptly. */ set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } rv = 0; out: @@ -2454,7 +2454,7 @@ timeout_store(struct mddev *mddev, const char *buf, size_t len) */ if (mddev->thread->timeout < MAX_SCHEDULE_TIMEOUT) { mddev->thread->timeout = timeout; - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } } return len; diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index c19e29cb73bf..92b0e49b4e53 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -325,7 +325,7 @@ static void recover_bitmaps(struct md_thread *thread) if (test_bit(MD_RESYNCING_REMOTE, &mddev->recovery) && test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && mddev->reshape_position != MaxSector) - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); if (hi > 0) { if (lo < mddev->recovery_cp) @@ -340,7 +340,7 @@ static void recover_bitmaps(struct md_thread *thread) clear_bit(MD_RESYNCING_REMOTE, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } } clear_bit: @@ -368,7 +368,7 @@ static void __recover_slot(struct mddev *mddev, int slot) return; } } - md_wakeup_thread(cinfo->recovery_thread); + md_wakeup_thread(&cinfo->recovery_thread, mddev); } static void recover_slot(void *arg, struct dlm_slot *slot) @@ -422,7 +422,7 @@ static void ack_bast(void *arg, int mode) if (mode == DLM_LOCK_EX) { if (test_bit(MD_CLUSTER_ALREADY_IN_CLUSTER, &cinfo->state)) - md_wakeup_thread(cinfo->recv_thread); + md_wakeup_thread(&cinfo->recv_thread, mddev); else set_bit(MD_CLUSTER_PENDING_RECV_EVENT, &cinfo->state); } @@ -454,7 +454,7 @@ static void process_suspend_info(struct mddev *mddev, clear_bit(MD_RESYNCING_REMOTE, &mddev->recovery); remove_suspend_info(mddev, slot); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); return; } @@ -546,7 +546,7 @@ static void process_remove_disk(struct mddev *mddev, struct cluster_msg *msg) if (rdev) { set_bit(ClusterRemove, &rdev->flags); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } else pr_warn("%s: %d Could not find disk(%d) to REMOVE\n", @@ -696,7 +696,7 @@ static int lock_comm(struct md_cluster_info *cinfo, bool mddev_locked) rv = test_and_set_bit_lock(MD_CLUSTER_HOLDING_MUTEX_FOR_RECVD, &cinfo->state); WARN_ON_ONCE(rv); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); set_bit = 1; } @@ -971,7 +971,7 @@ static void load_bitmaps(struct mddev *mddev, int total_slots) set_bit(MD_CLUSTER_ALREADY_IN_CLUSTER, &cinfo->state); /* wake up recv thread in case something need to be handled */ if (test_and_clear_bit(MD_CLUSTER_PENDING_RECV_EVENT, &cinfo->state)) - md_wakeup_thread(cinfo->recv_thread); + md_wakeup_thread(&cinfo->recv_thread, mddev); } static void resync_bitmap(struct mddev *mddev) @@ -1052,7 +1052,7 @@ static int metadata_update_start(struct mddev *mddev) ret = test_and_set_bit_lock(MD_CLUSTER_HOLDING_MUTEX_FOR_RECVD, &cinfo->state); WARN_ON_ONCE(ret); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wait_event(cinfo->wait, !test_and_set_bit(MD_CLUSTER_SEND_LOCK, &cinfo->state) || @@ -1430,7 +1430,7 @@ static int add_new_disk(struct mddev *mddev, struct md_rdev *rdev) /* Since MD_CHANGE_DEVS will be set in add_bound_rdev which * will run soon after add_new_disk, the below path will be * invoked: - * md_wakeup_thread(mddev->thread) + * md_wakeup_thread(&mddev->thread) * -> conf->thread (raid1d) * -> md_check_recovery -> md_update_sb * -> metadata_update_start/finish diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c index ceec9e4b2a60..482536ec8850 100644 --- a/drivers/md/md-multipath.c +++ b/drivers/md/md-multipath.c @@ -57,7 +57,7 @@ static void multipath_reschedule_retry (struct multipath_bh *mp_bh) spin_lock_irqsave(&conf->device_lock, flags); list_add(&mp_bh->retry_list, &conf->retry_list); spin_unlock_irqrestore(&conf->device_lock, flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } /* diff --git a/drivers/md/md.c b/drivers/md/md.c index 0bbdde29a41f..97e87df4ee43 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -487,8 +487,9 @@ void mddev_resume(struct mddev *mddev) mddev->pers->quiesce(mddev, 0); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); - md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ + md_wakeup_thread(&mddev->thread, mddev); + /* possibly kick off a reshape */ + md_wakeup_thread(&mddev->sync_thread, mddev); } EXPORT_SYMBOL_GPL(mddev_resume); @@ -804,7 +805,7 @@ void mddev_unlock(struct mddev *mddev) * make sure the thread doesn't disappear */ spin_lock(&pers_lock); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wake_up(&mddev->sb_wait); spin_unlock(&pers_lock); } @@ -2814,7 +2815,7 @@ static int add_bound_rdev(struct md_rdev *rdev) set_bit(MD_RECOVERY_RECOVER, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_new_event(); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); return 0; } @@ -2931,7 +2932,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) md_kick_rdev_from_array(rdev); if (mddev->pers) { set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } md_new_event(); } @@ -2962,7 +2963,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) clear_bit(BlockedBadBlocks, &rdev->flags); wake_up(&rdev->blocked_wait); set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery); - md_wakeup_thread(rdev->mddev->thread); + md_wakeup_thread(&rdev->mddev->thread, rdev->mddev); err = 0; } else if (cmd_match(buf, "insync") && rdev->raid_disk == -1) { @@ -3000,7 +3001,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) !test_bit(Replacement, &rdev->flags)) set_bit(WantReplacement, &rdev->flags); set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery); - md_wakeup_thread(rdev->mddev->thread); + md_wakeup_thread(&rdev->mddev->thread, rdev->mddev); err = 0; } else if (cmd_match(buf, "-want_replacement")) { /* Clearing 'want_replacement' is always allowed. @@ -3127,7 +3128,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) if (rdev->raid_disk >= 0) return -EBUSY; set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery); - md_wakeup_thread(rdev->mddev->thread); + md_wakeup_thread(&rdev->mddev->thread, rdev->mddev); } else if (rdev->mddev->pers) { /* Activating a spare .. or possibly reactivating * if we ever get bitmaps working here. @@ -4359,7 +4360,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len) if (st == active) { restart_array(mddev); clear_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wake_up(&mddev->sb_wait); } else /* st == clean */ { restart_array(mddev); @@ -4826,10 +4827,10 @@ action_store(struct mddev *mddev, const char *page, size_t len) * canceling read-auto mode */ mddev->ro = MD_RDWR; - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); } set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); sysfs_notify_dirent_safe(mddev->sysfs_action); return len; } @@ -5733,7 +5734,7 @@ static void md_safemode_timeout(struct timer_list *t) if (mddev->external) sysfs_notify_dirent_safe(mddev->sysfs_state); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } static int start_dirty_degraded; @@ -6045,8 +6046,9 @@ int do_md_run(struct mddev *mddev) /* run start up tasks that require md_thread */ md_start(mddev); - md_wakeup_thread(mddev->thread); - md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ + md_wakeup_thread(&mddev->thread, mddev); + /* possibly kick off a reshape */ + md_wakeup_thread(&mddev->sync_thread, mddev); set_capacity_and_notify(mddev->gendisk, mddev->array_sectors); clear_bit(MD_NOT_READY, &mddev->flags); @@ -6066,10 +6068,10 @@ int md_start(struct mddev *mddev) if (mddev->pers->start) { set_bit(MD_RECOVERY_WAIT, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); ret = mddev->pers->start(mddev); clear_bit(MD_RECOVERY_WAIT, &mddev->recovery); - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); } return ret; } @@ -6111,8 +6113,8 @@ static int restart_array(struct mddev *mddev) pr_debug("md: %s switched to read-write mode.\n", mdname(mddev)); /* Kick recovery or resync if necessary */ set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->thread, mddev); + md_wakeup_thread(&mddev->sync_thread, mddev); sysfs_notify_dirent_safe(mddev->sysfs_state); return 0; } @@ -6261,7 +6263,7 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) if (!test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) { did_freeze = 1; set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) set_bit(MD_RECOVERY_INTR, &mddev->recovery); @@ -6287,7 +6289,7 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) if (did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } err = -EBUSY; goto out; @@ -6302,7 +6304,7 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) set_disk_ro(mddev->gendisk, 1); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); sysfs_notify_dirent_safe(mddev->sysfs_state); err = 0; } @@ -6325,7 +6327,7 @@ static int do_md_stop(struct mddev *mddev, int mode, if (!test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) { did_freeze = 1; set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) set_bit(MD_RECOVERY_INTR, &mddev->recovery); @@ -6350,7 +6352,7 @@ static int do_md_stop(struct mddev *mddev, int mode, if (did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } return -EBUSY; } @@ -6893,7 +6895,7 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev) md_kick_rdev_from_array(rdev); set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); if (mddev->thread) - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); else md_update_sb(mddev, 1); md_new_event(); @@ -6976,7 +6978,7 @@ static int hot_add_disk(struct mddev *mddev, dev_t dev) * array immediately. */ set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); md_new_event(); return 0; @@ -7886,8 +7888,10 @@ static int md_thread(void *arg) return 0; } -void md_wakeup_thread(struct md_thread *thread) +void md_wakeup_thread(struct md_thread **threadp, struct mddev *mddev) { + struct md_thread *thread = *threadp; + if (thread) { pr_debug("md: waking up MD thread %s.\n", thread->tsk->comm); set_bit(THREAD_WAKEUP, &thread->flags); @@ -7963,7 +7967,7 @@ void md_error(struct mddev *mddev, struct md_rdev *rdev) set_bit(MD_RECOVERY_INTR, &mddev->recovery); if (!test_bit(MD_BROKEN, &mddev->flags)) { set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } if (mddev->event_work.func) queue_work(md_misc_wq, &mddev->event_work); @@ -8474,7 +8478,7 @@ void md_done_sync(struct mddev *mddev, int blocks, int ok) if (!ok) { set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(MD_RECOVERY_ERROR, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); // stop recovery, signal do_sync .... } } @@ -8499,8 +8503,8 @@ bool md_write_start(struct mddev *mddev, struct bio *bi) /* need to switch to read/write */ mddev->ro = MD_RDWR; set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->thread, mddev); + md_wakeup_thread(&mddev->sync_thread, mddev); did_change = 1; } rcu_read_lock(); @@ -8515,7 +8519,7 @@ bool md_write_start(struct mddev *mddev, struct bio *bi) mddev->in_sync = 0; set_bit(MD_SB_CHANGE_CLEAN, &mddev->sb_flags); set_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); did_change = 1; } spin_unlock(&mddev->lock); @@ -8558,7 +8562,7 @@ void md_write_end(struct mddev *mddev) percpu_ref_put(&mddev->writes_pending); if (mddev->safemode == 2) - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); else if (mddev->safemode_delay) /* The roundup() ensures this only performs locking once * every ->safemode_delay jiffies @@ -9100,7 +9104,7 @@ void md_do_sync(struct md_thread *thread) spin_unlock(&mddev->lock); wake_up(&resync_wait); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); return; } EXPORT_SYMBOL_GPL(md_do_sync); @@ -9218,7 +9222,7 @@ static void md_start_sync(struct work_struct *ws) if (mddev->sysfs_action) sysfs_notify_dirent_safe(mddev->sysfs_action); } else - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); sysfs_notify_dirent_safe(mddev->sysfs_action); md_new_event(); } @@ -9534,7 +9538,7 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors, sysfs_notify_dirent_safe(rdev->sysfs_state); set_mask_bits(&mddev->sb_flags, 0, BIT(MD_SB_CHANGE_CLEAN) | BIT(MD_SB_CHANGE_PENDING)); - md_wakeup_thread(rdev->mddev->thread); + md_wakeup_thread(&rdev->mddev->thread, mddev); return 1; } else return 0; @@ -9699,7 +9703,7 @@ static void check_sb_changes(struct mddev *mddev, struct md_rdev *rdev) /* wakeup mddev->thread here, so array could * perform resync with the new activated disk */ set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } /* device faulty * We just want to do the minimum to mark the disk diff --git a/drivers/md/md.h b/drivers/md/md.h index 344e055e4d0f..aeb2fc6b65c7 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -734,7 +734,7 @@ int md_register_thread(struct md_thread **threadp, void (*run)(struct md_thread *thread), struct mddev *mddev, const char *name); extern void md_unregister_thread(struct md_thread **threadp); -extern void md_wakeup_thread(struct md_thread *thread); +extern void md_wakeup_thread(struct md_thread **threadp, struct mddev *mddev); extern void md_check_recovery(struct mddev *mddev); extern void md_reap_sync_thread(struct mddev *mddev); extern int mddev_init_writes_pending(struct mddev *mddev); @@ -805,7 +805,7 @@ static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev) int faulty = test_bit(Faulty, &rdev->flags); if (atomic_dec_and_test(&rdev->nr_pending) && faulty) { set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 1217c1db0a40..391ff239c711 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -289,7 +289,7 @@ static void reschedule_retry(struct r1bio *r1_bio) spin_unlock_irqrestore(&conf->device_lock, flags); wake_up(&conf->wait_barrier); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } /* @@ -1180,7 +1180,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) bio_list_merge(&conf->pending_bio_list, &plug->pending); spin_unlock_irq(&conf->device_lock); wake_up(&conf->wait_barrier); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); kfree(plug); return; } @@ -1585,7 +1585,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, spin_lock_irqsave(&conf->device_lock, flags); bio_list_add(&conf->pending_bio_list, mbio); spin_unlock_irqrestore(&conf->device_lock, flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } } @@ -2501,7 +2501,7 @@ static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio) * get_unqueued_pending() == extra to be true. */ wake_up(&conf->wait_barrier); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } else { if (test_bit(R1BIO_WriteError, &r1_bio->state)) close_write(r1_bio); @@ -3344,7 +3344,7 @@ static int raid1_reshape(struct mddev *mddev) set_bit(MD_RECOVERY_RECOVER, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); mempool_exit(&oldpool); return 0; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index f1e54c62f930..920e5722040f 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -309,7 +309,7 @@ static void reschedule_retry(struct r10bio *r10_bio) /* wake up frozen array... */ wake_up(&conf->wait_barrier); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } /* @@ -1114,7 +1114,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) bio_list_merge(&conf->pending_bio_list, &plug->pending); spin_unlock_irq(&conf->device_lock); wake_up(&conf->wait_barrier); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); kfree(plug); return; } @@ -1329,7 +1329,7 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio, spin_lock_irqsave(&conf->device_lock, flags); bio_list_add(&conf->pending_bio_list, mbio); spin_unlock_irqrestore(&conf->device_lock, flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } } @@ -1441,7 +1441,7 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio, mddev->reshape_position = conf->reshape_progress; set_mask_bits(&mddev->sb_flags, 0, BIT(MD_SB_CHANGE_DEVS) | BIT(MD_SB_CHANGE_PENDING)); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); if (bio->bi_opf & REQ_NOWAIT) { allow_barrier(conf); bio_wouldblock_error(bio); @@ -3079,7 +3079,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) * nr_pending == nr_queued + extra to be true. */ wake_up(&conf->wait_barrier); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } else { if (test_bit(R10BIO_WriteError, &r10_bio->state)) @@ -4692,7 +4692,7 @@ static int raid10_start_reshape(struct mddev *mddev) goto abort; } conf->reshape_checkpoint = jiffies; - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); md_new_event(); return 0; @@ -4874,7 +4874,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, mddev->curr_resync_completed = conf->reshape_progress; conf->reshape_checkpoint = jiffies; set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wait_event(mddev->sb_wait, mddev->sb_flags == 0 || test_bit(MD_RECOVERY_INTR, &mddev->recovery)); if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 0464d4d551fc..d6ee6a7a83b7 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -600,7 +600,7 @@ static void r5l_log_endio(struct bio *bio) spin_unlock_irqrestore(&log->io_list_lock, flags); if (log->need_cache_flush) - md_wakeup_thread(log->rdev->mddev->thread); + md_wakeup_thread(&log->rdev->mddev->thread, log->rdev->mddev); /* finish flush only io_unit and PAYLOAD_FLUSH only io_unit */ if (has_null_flush) { @@ -1491,7 +1491,7 @@ static void r5c_do_reclaim(struct r5conf *conf) if (!test_bit(R5C_LOG_CRITICAL, &conf->cache_state)) r5l_run_no_space_stripes(log); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } static void r5l_do_reclaim(struct r5l_log *log) @@ -1519,7 +1519,7 @@ static void r5l_do_reclaim(struct r5l_log *log) list_empty(&log->finished_ios))) break; - md_wakeup_thread(log->rdev->mddev->thread); + md_wakeup_thread(&log->rdev->mddev->thread, log->rdev->mddev); wait_event_lock_irq(log->iounit_wait, r5l_reclaimable_space(log) > reclaimable, log->io_list_lock); @@ -1571,7 +1571,7 @@ void r5l_wake_reclaim(struct r5l_log *log, sector_t space) if (new < target) return; } while (!try_cmpxchg(&log->reclaim_target, &target, new)); - md_wakeup_thread(log->reclaim_thread); + md_wakeup_thread(&log->reclaim_thread, log->rdev->mddev); } void r5l_quiesce(struct r5l_log *log, int quiesce) @@ -2776,7 +2776,7 @@ void r5c_release_extra_page(struct stripe_head *sh) if (using_disk_info_extra_page) { clear_bit(R5C_EXTRA_PAGE_IN_USE, &conf->cache_state); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } } @@ -2832,7 +2832,7 @@ void r5c_finish_stripe_write_out(struct r5conf *conf, if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); if (do_wakeup) wake_up(&conf->wait_for_overlap); diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index e495939bb3e0..47cf1e85c48d 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -601,7 +601,7 @@ static void ppl_flush_endio(struct bio *bio) if (atomic_dec_and_test(&io->pending_flushes)) { ppl_io_unit_finished(io); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 04b1093195d0..2c0695d41436 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -195,7 +195,7 @@ static void raid5_wakeup_stripe_thread(struct stripe_head *sh) } if (conf->worker_cnt_per_group == 0) { - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); return; } @@ -268,13 +268,14 @@ static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh, return; } } - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } else { BUG_ON(stripe_operations_active(sh)); if (test_and_clear_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) if (atomic_dec_return(&conf->preread_active_stripes) < IO_THRESHOLD) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, + conf->mddev); atomic_dec(&conf->active_stripes); if (!test_bit(STRIPE_EXPANDING, &sh->state)) { if (!r5c_is_writeback(conf->log)) @@ -356,7 +357,7 @@ static void release_inactive_stripe_list(struct r5conf *conf, if (atomic_read(&conf->active_stripes) == 0) wake_up(&conf->wait_for_quiescent); if (conf->retry_read_aligned) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } } @@ -407,7 +408,7 @@ void raid5_release_stripe(struct stripe_head *sh) goto slow_path; wakeup = llist_add(&sh->release_list, &conf->released_stripes); if (wakeup) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); return; slow_path: /* we are ok here if STRIPE_ON_RELEASE_LIST is set or not */ @@ -981,7 +982,7 @@ static void stripe_add_to_batch_list(struct r5conf *conf, if (test_and_clear_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) if (atomic_dec_return(&conf->preread_active_stripes) < IO_THRESHOLD) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); if (test_and_clear_bit(STRIPE_BIT_DELAY, &sh->state)) { int seq = sh->bm_seq; @@ -3759,7 +3760,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } static void @@ -4156,7 +4157,7 @@ static void handle_stripe_clean_event(struct r5conf *conf, if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); if (head_sh->batch_head && do_endio) break_stripe_batch_list(head_sh, STRIPE_EXPAND_SYNC_FLAGS); @@ -5369,7 +5370,7 @@ static void handle_stripe(struct stripe_head *sh) atomic_dec(&conf->preread_active_stripes); if (atomic_read(&conf->preread_active_stripes) < IO_THRESHOLD) - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } clear_bit_unlock(STRIPE_ACTIVE, &sh->state); @@ -5436,7 +5437,7 @@ static void add_bio_to_retry(struct bio *bi,struct r5conf *conf) conf->retry_read_aligned_list = bi; spin_unlock_irqrestore(&conf->device_lock, flags); - md_wakeup_thread(conf->mddev->thread); + md_wakeup_thread(&conf->mddev->thread, conf->mddev); } static struct bio *remove_bio_from_retry(struct r5conf *conf, @@ -6045,7 +6046,7 @@ static enum stripe_result make_stripe_request(struct mddev *mddev, * Stripe is busy expanding or add failed due to * overlap. Flush everything and wait a while. */ - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); ret = STRIPE_SCHEDULE_AND_RETRY; goto out_release; } @@ -6345,7 +6346,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk conf->reshape_checkpoint = jiffies; set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wait_event(mddev->sb_wait, mddev->sb_flags == 0 || test_bit(MD_RECOVERY_INTR, &mddev->recovery)); if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) @@ -6453,7 +6454,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk rdev->recovery_offset = sector_nr; conf->reshape_checkpoint = jiffies; set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); wait_event(mddev->sb_wait, !test_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags) || test_bit(MD_RECOVERY_INTR, &mddev->recovery)); @@ -8585,7 +8586,7 @@ static int raid5_start_reshape(struct mddev *mddev) return -EAGAIN; } conf->reshape_checkpoint = jiffies; - md_wakeup_thread(mddev->sync_thread); + md_wakeup_thread(&mddev->sync_thread, mddev); md_new_event(); return 0; } @@ -8815,7 +8816,7 @@ static int raid5_check_reshape(struct mddev *mddev) mddev->chunk_sectors = new_chunk; } set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - md_wakeup_thread(mddev->thread); + md_wakeup_thread(&mddev->thread, mddev); } return check_reshape(mddev); } -- 2.31.1