From patchwork Wed Aug 14 07:10:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13762942 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCDEE14EC56; Wed, 14 Aug 2024 07:15:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723619740; cv=none; b=K8hgFDpUqUuTfgSIgZeAV0hE9FflT3ww/h1H8VJNDoZ7mwT6PSdMdc6dHt0IiMSHEoQ+urSxSiEMz/yDdf27g7h/2PZWvmtgJoiT6qhIkFCuF1r6flXYs1xPSEeg3e5rjm79UDZKMcINrmQhdD4wGdb9c5PtFvvY2O38gxQtsxQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723619740; c=relaxed/simple; bh=eJVidopmL3BVvgJVPZ1PVwqSKs/h9XTYx62CiDodPuw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=j9hu0VxsoFkAWLKSIdCF6mF8vHHd2nG6HMsscSfY1Vma7bppoZUZ2DzS6AsyzWt38uIY4oc3sUDoku9gtct5owagch92hmgDLtve132LVPBxmw0QPhzwz40phph+Zs1HBSNY0SCW5F1euDHir0V9IdnX/oEMJisbGg/ZGRWU8PI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4WkKK54PGsz4f3jdF; Wed, 14 Aug 2024 15:15:21 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 5C5901A07B6; Wed, 14 Aug 2024 15:15:35 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgBHboSLWbxmIxKbBg--.47745S27; Wed, 14 Aug 2024 15:15:35 +0800 (CST) From: Yu Kuai To: mariusz.tkaczyk@linux.intel.com, hch@infradead.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 RFC -next v2 23/41] md/md-bitmap: merge md_bitmap_endwrite() into bitmap_operations Date: Wed, 14 Aug 2024 15:10:55 +0800 Message-Id: <20240814071113.346781-24-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240814071113.346781-1-yukuai1@huaweicloud.com> References: <20240814071113.346781-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgBHboSLWbxmIxKbBg--.47745S27 X-Coremail-Antispam: 1UD129KBjvJXoW3XrWkXw15tr4xurWUWw4Durg_yoWxKrW5pa 9rJFyfC3y5tF9xZw1UAFWDuFyFvw1kKrZrtrWfG3s5ua4qvr90gF48WFW8Kw1DCFy3AFy3 Z3Z8trWUGrW2qFUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPY14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY1x0262kKe7AKxVWUtV W8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v2 6r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2 Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW5JVW7JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_ Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr 1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUQFxUU UUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai So that the implementation won't be exposed, and it'll be possible to invent a new bitmap by replacing bitmap_operations. Also change the parameter from bitmap to mddev, to avoid access bitmap outside md-bitmap.c as much as possible. And change the type of 'success' and behind' from int to bool. Signed-off-by: Yu Kuai --- drivers/md/md-bitmap.c | 9 ++++++--- drivers/md/md-bitmap.h | 4 ++-- drivers/md/raid1.c | 12 +++++++----- drivers/md/raid10.c | 11 ++++++----- drivers/md/raid5-cache.c | 8 ++++---- drivers/md/raid5.c | 18 ++++++++++-------- 6 files changed, 35 insertions(+), 27 deletions(-) diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 1387d5bbf8a1..8da6e889d5f1 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -1524,11 +1524,14 @@ static int bitmap_startwrite(struct mddev *mddev, sector_t offset, return 0; } -void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset, - unsigned long sectors, int success, int behind) +static void bitmap_endwrite(struct mddev *mddev, sector_t offset, + unsigned long sectors, bool success, bool behind) { + struct bitmap *bitmap = mddev->bitmap; + if (!bitmap) return; + if (behind) { if (atomic_dec_and_test(&bitmap->behind_writes)) wake_up(&bitmap->behind_wait); @@ -1575,7 +1578,6 @@ void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset, sectors = 0; } } -EXPORT_SYMBOL(md_bitmap_endwrite); static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int degraded) @@ -2728,6 +2730,7 @@ static struct bitmap_operations bitmap_ops = { .dirty_bits = bitmap_dirty_bits, .startwrite = bitmap_startwrite, + .endwrite = bitmap_endwrite, .update_sb = bitmap_update_sb, .get_stats = bitmap_get_stats, diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h index cc76b4a69a31..223dc5d6f4e4 100644 --- a/drivers/md/md-bitmap.h +++ b/drivers/md/md-bitmap.h @@ -256,6 +256,8 @@ struct bitmap_operations { int (*startwrite)(struct mddev *mddev, sector_t offset, unsigned long sectors, bool behind); + void (*endwrite)(struct mddev *mddev, sector_t offset, + unsigned long sectors, bool success, bool behind); void (*update_sb)(struct bitmap *bitmap); int (*get_stats)(struct bitmap *bitmap, struct md_bitmap_stats *stats); @@ -265,8 +267,6 @@ struct bitmap_operations { void mddev_set_bitmap_ops(struct mddev *mddev); /* these are exported */ -void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset, - unsigned long sectors, int success, int behind); int md_bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int degraded); void md_bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int aborted); void md_bitmap_close_sync(struct bitmap *bitmap); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e07b3a0427cb..aeee09965817 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -411,18 +411,20 @@ static void raid1_end_read_request(struct bio *bio) static void close_write(struct r1bio *r1_bio) { + struct mddev *mddev = r1_bio->mddev; + /* it really is the end of this request */ if (test_bit(R1BIO_BehindIO, &r1_bio->state)) { bio_free_pages(r1_bio->behind_master_bio); bio_put(r1_bio->behind_master_bio); r1_bio->behind_master_bio = NULL; } + /* clear the bitmap if all writes complete successfully */ - md_bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector, - r1_bio->sectors, - !test_bit(R1BIO_Degraded, &r1_bio->state), - test_bit(R1BIO_BehindIO, &r1_bio->state)); - md_write_end(r1_bio->mddev); + mddev->bitmap_ops->endwrite(mddev, r1_bio->sector, r1_bio->sectors, + !test_bit(R1BIO_Degraded, &r1_bio->state), + test_bit(R1BIO_BehindIO, &r1_bio->state)); + md_write_end(mddev); } static void r1_bio_write_done(struct r1bio *r1_bio) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 96de2d68c913..52f29b907ab6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -426,12 +426,13 @@ static void raid10_end_read_request(struct bio *bio) static void close_write(struct r10bio *r10_bio) { + struct mddev *mddev = r10_bio->mddev; + /* clear the bitmap if all writes complete successfully */ - md_bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector, - r10_bio->sectors, - !test_bit(R10BIO_Degraded, &r10_bio->state), - 0); - md_write_end(r10_bio->mddev); + mddev->bitmap_ops->endwrite(mddev, r10_bio->sector, r10_bio->sectors, + !test_bit(R10BIO_Degraded, &r10_bio->state), + false); + md_write_end(mddev); } static void one_write_done(struct r10bio *r10_bio) diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 874874fe4fa1..23f2cbcf1a6c 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -313,10 +313,10 @@ void r5c_handle_cached_data_endio(struct r5conf *conf, if (sh->dev[i].written) { set_bit(R5_UPTODATE, &sh->dev[i].flags); r5c_return_dev_pending_writes(conf, &sh->dev[i]); - md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, - RAID5_STRIPE_SECTORS(conf), - !test_bit(STRIPE_DEGRADED, &sh->state), - 0); + conf->mddev->bitmap_ops->endwrite(conf->mddev, + sh->sector, RAID5_STRIPE_SECTORS(conf), + !test_bit(STRIPE_DEGRADED, &sh->state), + false); } } } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index c24036d1e6da..93d582b9f922 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3663,8 +3663,9 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, bi = nextbi; } if (bitmap_end) - md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, - RAID5_STRIPE_SECTORS(conf), 0, 0); + conf->mddev->bitmap_ops->endwrite(conf->mddev, + sh->sector, RAID5_STRIPE_SECTORS(conf), + false, false); bitmap_end = 0; /* and fail all 'written' */ bi = sh->dev[i].written; @@ -3709,8 +3710,9 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, } } if (bitmap_end) - md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, - RAID5_STRIPE_SECTORS(conf), 0, 0); + conf->mddev->bitmap_ops->endwrite(conf->mddev, + sh->sector, RAID5_STRIPE_SECTORS(conf), + false, false); /* If we were in the middle of a write the parity block might * still be locked - so just clear all R5_LOCKED flags */ @@ -4059,10 +4061,10 @@ static void handle_stripe_clean_event(struct r5conf *conf, bio_endio(wbi); wbi = wbi2; } - md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, - RAID5_STRIPE_SECTORS(conf), - !test_bit(STRIPE_DEGRADED, &sh->state), - 0); + conf->mddev->bitmap_ops->endwrite(conf->mddev, + sh->sector, RAID5_STRIPE_SECTORS(conf), + !test_bit(STRIPE_DEGRADED, &sh->state), + false); if (head_sh->batch_head) { sh = list_first_entry(&sh->batch_list, struct stripe_head,