From patchwork Sun Dec 17 16:53:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13495924 X-Patchwork-Delegate: snitzer@redhat.com Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1916E481B1; Sun, 17 Dec 2023 16:54:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="uNUl9LpN" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=MJjD01GsaCXNqJGBk8XaIGbPlf5DMiF6yt4DNbEE94E=; b=uNUl9LpNBDEEsMIcjXzCWS1CS+ NuBFkENto4vKXlqWa2I8rt0mYdjgysD1zytkXRtydeM93VJT7ZPPw8cArSK7Hynx2mOKIgbifLIbO rcOgrvKv71gvAgBVt+acKoW26RpHW/WhpHrrzX+OnDLn0CWwMpxYhDDGjKE3MR8VhajEWfLOBieo6 Cfx0k4kMcYTlKsDwmLBZRpR5/+fQ9fz4KhtuNBBN7i/tWA/iua8+0fMiq65q1qH1koTnqMRCOanxr HUuxiRLxTj+x+iYLHfspJZ///lvwSqYmXajFaqeUJmDxpdOdSfaJanGoZj5rFhJsyEHLnUO3qSKfO dWuVReaQ==; Received: from [88.128.92.84] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1rEuP8-0088NZ-1Z; Sun, 17 Dec 2023 16:54:14 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Paolo Bonzini , Stefan Hajnoczi , Damien Le Moal , "Martin K. Petersen" , dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH 4/5] block: simplify disk_set_zoned Date: Sun, 17 Dec 2023 17:53:58 +0100 Message-Id: <20231217165359.604246-5-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231217165359.604246-1-hch@lst.de> References: <20231217165359.604246-1-hch@lst.de> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Only use disk_set_zoned to actually enable zoned device support. For clearing it, call disk_clear_zoned, which is renamed from disk_clear_zone_settings and now directly clears the zoned flag as well. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal --- block/blk-settings.c | 32 +++++++++++--------------------- block/blk-zoned.c | 3 ++- block/blk.h | 2 -- drivers/block/null_blk/zoned.c | 2 +- drivers/block/ublk_drv.c | 2 +- drivers/block/virtio_blk.c | 2 +- drivers/nvme/host/zns.c | 2 +- drivers/scsi/sd.c | 7 +++++-- include/linux/blkdev.h | 3 ++- 9 files changed, 24 insertions(+), 31 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index 50e9efb59f67fd..bb94a3d471f4fb 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -881,31 +881,21 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q, EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging); /** - * disk_set_zoned - configure the zoned model for a disk - * @disk: the gendisk of the queue to configure - * @zoned: zoned or not. - * - * When @zoned is %true, this should be called only if zoned block device - * support is enabled (CONFIG_BLK_DEV_ZONED option). + * disk_set_zoned - inidicate a zoned device + * @disk: gendisk to configure */ -void disk_set_zoned(struct gendisk *disk, bool zoned) +void disk_set_zoned(struct gendisk *disk) { struct request_queue *q = disk->queue; - if (zoned) { - WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED)); - - /* - * Set the zone write granularity to the device logical block - * size by default. The driver can change this value if needed. - */ - q->limits.zoned = true; - blk_queue_zone_write_granularity(q, - queue_logical_block_size(q)); - } else if (q->limits.zoned) { - q->limits.zoned = false; - disk_clear_zone_settings(disk); - } + WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED)); + + /* + * Set the zone write granularity to the device logical block + * size by default. The driver can change this value if needed. + */ + q->limits.zoned = true; + blk_queue_zone_write_granularity(q, queue_logical_block_size(q)); } EXPORT_SYMBOL_GPL(disk_set_zoned); diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 619ee41a51cc8c..580a58e53efd77 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -616,12 +616,13 @@ int blk_revalidate_disk_zones(struct gendisk *disk, } EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones); -void disk_clear_zone_settings(struct gendisk *disk) +void disk_clear_zoned(struct gendisk *disk) { struct request_queue *q = disk->queue; blk_mq_freeze_queue(q); + q->limits.zoned = false; disk_free_zone_bitmaps(disk); blk_queue_flag_clear(QUEUE_FLAG_ZONE_RESETALL, q); q->required_elevator_features &= ~ELEVATOR_F_ZBD_SEQ_WRITE; diff --git a/block/blk.h b/block/blk.h index 08a358bc0919e2..1ef920f72e0f87 100644 --- a/block/blk.h +++ b/block/blk.h @@ -395,14 +395,12 @@ static inline struct bio *blk_queue_bounce(struct bio *bio, #ifdef CONFIG_BLK_DEV_ZONED void disk_free_zone_bitmaps(struct gendisk *disk); -void disk_clear_zone_settings(struct gendisk *disk); int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, unsigned long arg); int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode, unsigned int cmd, unsigned long arg); #else /* CONFIG_BLK_DEV_ZONED */ static inline void disk_free_zone_bitmaps(struct gendisk *disk) {} -static inline void disk_clear_zone_settings(struct gendisk *disk) {} static inline int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, unsigned long arg) { diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c index 369eb1e78bb579..6f5e0994862eae 100644 --- a/drivers/block/null_blk/zoned.c +++ b/drivers/block/null_blk/zoned.c @@ -159,7 +159,7 @@ int null_register_zoned_dev(struct nullb *nullb) struct nullb_device *dev = nullb->dev; struct request_queue *q = nullb->q; - disk_set_zoned(nullb->disk, true); + disk_set_zoned(nullb->disk); blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q); blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE); blk_queue_chunk_sectors(q, dev->zone_size_sects); diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 24fb95f19d5284..d50d69b2c023de 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -250,7 +250,7 @@ static int ublk_dev_param_zoned_apply(struct ublk_device *ub) { const struct ublk_param_zoned *p = &ub->params.zoned; - disk_set_zoned(ub->ub_disk, true); + disk_set_zoned(ub->ub_disk); blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ub->ub_disk->queue); blk_queue_required_elevator_features(ub->ub_disk->queue, ELEVATOR_F_ZBD_SEQ_WRITE); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 19a4f20bd1c2f8..7d7a19b2b9a8eb 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -730,7 +730,7 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, dev_dbg(&vdev->dev, "probing host-managed zoned device\n"); - disk_set_zoned(vblk->disk, true); + disk_set_zoned(vblk->disk); blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q); virtio_cread(vdev, struct virtio_blk_config, diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c index 6d4c440e97e2a5..3d98e435821e4a 100644 --- a/drivers/nvme/host/zns.c +++ b/drivers/nvme/host/zns.c @@ -108,7 +108,7 @@ int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf) goto free_data; } - disk_set_zoned(ns->disk, true); + disk_set_zoned(ns->disk); blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q); disk_set_max_open_zones(ns->disk, le32_to_cpu(id->mor) + 1); disk_set_max_active_zones(ns->disk, le32_to_cpu(id->mar) + 1); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 19a19eb277f57d..dbed075cdb981a 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3135,11 +3135,13 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q); } + +#ifdef CONFIG_BLK_DEV_ZONED /* sd_probe rejects ZBD devices early otherwise */ if (sdkp->device->type == TYPE_ZBC) { /* * Host-managed. */ - disk_set_zoned(sdkp->disk, true); + disk_set_zoned(sdkp->disk); /* * Per ZBC and ZAC specifications, writes in sequential write @@ -3152,8 +3154,9 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) * Anything else. This includes host-aware device that we treat * as conventional. */ - disk_set_zoned(sdkp->disk, false); + disk_clear_zoned(sdkp->disk); } +#endif /* CONFIG_BLK_DEV_ZONED */ if (!sdkp->first_scan) return; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 28cda9fb239eb6..bc236e77d85e1c 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -317,7 +317,8 @@ struct queue_limits { typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx, void *data); -void disk_set_zoned(struct gendisk *disk, bool zoned); +void disk_set_zoned(struct gendisk *disk); +void disk_clear_zoned(struct gendisk *disk); #define BLK_ALL_ZONES ((unsigned int)-1) int blkdev_report_zones(struct block_device *bdev, sector_t sector,