From patchwork Mon Jun 17 06:04:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13700124 X-Patchwork-Delegate: bmarzins@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 6CCD618306C; Mon, 17 Jun 2024 06:07:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718604422; cv=none; b=JQI9y/jsZyVesKdWb44vYtAEnenGnyph5n//GFhFIfJaOLbRuBFbgggrYnzFCfY+friOMFQ8U8WvrfaUGzudCoq5a1jVBxChFoIq5Ohv7+76FOaukGJ3dMEwufR95LsNSFumulgosMrQc1T3RPSn2FQtIvGWzGKRNwXN4BAVCR8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718604422; c=relaxed/simple; bh=DG0Y0YnJa9GEbVNPXroUQX06i5jroJEaECGuIs72EUM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=c5Cyff3azsXcIO45FX1zvgLZnU2NCK8P+iukGdtFtTXdGWmeHcui3BwditJiWtVghAigYAvqYG2Nw2REJGZ6IUFpeF0PSpl83dPT/FFuTG0fNJoZtHtHJKewe78PVYa85eu2AvOMlmRowz2bjCxboZ2hDPI8u4mUeubpuo38JS8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=NJZCojfZ; arc=none smtp.client-ip=198.137.202.133 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="NJZCojfZ" 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=j3/q6++/T0UiysNKT6ebBR3awbgnCQMkBzrPFvHZKQg=; b=NJZCojfZFjIHjdeThEB5UEO5Nk QNC7VhBPWkRcqgkZKxl1pMve2IPbjVKHCTiWE0oKqZkGQr382Hsf+pdh3k2aOSBzxX8pT1Od1LR0p ULQFxibinwOrILLy4a8KYEfVWq/uqIsJQzmH/PwZ78+6OG82/CKXLijYXDFRpJ8c0KYO0YwHgQ9La K6+cfGf+zXrSVcf79qtnNY1fK2RQPhSPeFvB9iVrCfamm6IUC5lHWTbx3xeT4q/cfnpVGmpwMJfhK UzcfgZYbTigV2cdi9g61aNGRbJgATnWpjl0PbssfRrhfVySkFp+s2qp339sm8xlTjxogm8On27Zy6 FTsiRxhA==; Received: from [91.187.204.140] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5Vs-00000009J7N-36FO; Mon, 17 Jun 2024 06:06:45 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Geert Uytterhoeven , Richard Weinberger , Philipp Reisner , Lars Ellenberg , =?utf-8?q?Christoph_B=C3=B6hmwa?= =?utf-8?q?lder?= , Josef Bacik , Ming Lei , "Michael S. Tsirkin" , Jason Wang , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Vineeth Vijayan , "Martin K. Petersen" , linux-m68k@lists.linux-m68k.org, linux-um@lists.infradead.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, Damien Le Moal Subject: [PATCH 22/26] block: move the zoned flag into the features field Date: Mon, 17 Jun 2024 08:04:49 +0200 Message-ID: <20240617060532.127975-23-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240617060532.127975-1-hch@lst.de> References: <20240617060532.127975-1-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 Move the zoned flags into the features field to reclaim a little bit of space. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke --- block/blk-settings.c | 5 ++--- drivers/block/null_blk/zoned.c | 2 +- drivers/block/ublk_drv.c | 2 +- drivers/block/virtio_blk.c | 5 +++-- drivers/md/dm-table.c | 11 ++++++----- drivers/md/dm-zone.c | 2 +- drivers/md/dm-zoned-target.c | 2 +- drivers/nvme/host/zns.c | 2 +- drivers/scsi/sd_zbc.c | 2 +- include/linux/blkdev.h | 9 ++++++--- 10 files changed, 23 insertions(+), 19 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index 026ba68d829856..96e07f24bd9aa1 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -68,7 +68,7 @@ static void blk_apply_bdi_limits(struct backing_dev_info *bdi, static int blk_validate_zoned_limits(struct queue_limits *lim) { - if (!lim->zoned) { + if (!(lim->features & BLK_FEAT_ZONED)) { if (WARN_ON_ONCE(lim->max_open_zones) || WARN_ON_ONCE(lim->max_active_zones) || WARN_ON_ONCE(lim->zone_write_granularity) || @@ -602,8 +602,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, b->max_secure_erase_sectors); t->zone_write_granularity = max(t->zone_write_granularity, b->zone_write_granularity); - t->zoned = max(t->zoned, b->zoned); - if (!t->zoned) { + if (!(t->features & BLK_FEAT_ZONED)) { t->zone_write_granularity = 0; t->max_zone_append_sectors = 0; } diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c index f118d304f31080..ca8e739e76b981 100644 --- a/drivers/block/null_blk/zoned.c +++ b/drivers/block/null_blk/zoned.c @@ -158,7 +158,7 @@ int null_init_zoned_dev(struct nullb_device *dev, sector += dev->zone_size_sects; } - lim->zoned = true; + lim->features |= BLK_FEAT_ZONED; lim->chunk_sectors = dev->zone_size_sects; lim->max_zone_append_sectors = dev->zone_append_max_sectors; lim->max_open_zones = dev->zone_max_open; diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 4fcde099935868..69c16018cbb19a 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -2196,7 +2196,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd) if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED)) return -EOPNOTSUPP; - lim.zoned = true; + lim.features |= BLK_FEAT_ZONED; lim.max_active_zones = p->max_active_zones; lim.max_open_zones = p->max_open_zones; lim.max_zone_append_sectors = p->max_zone_append_sectors; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 13a2f24f176628..cea45b296f8bec 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -728,7 +728,7 @@ static int virtblk_read_zoned_limits(struct virtio_blk *vblk, dev_dbg(&vdev->dev, "probing host-managed zoned device\n"); - lim->zoned = true; + lim->features |= BLK_FEAT_ZONED; virtio_cread(vdev, struct virtio_blk_config, zoned.max_open_zones, &v); @@ -1546,7 +1546,8 @@ static int virtblk_probe(struct virtio_device *vdev) * All steps that follow use the VQs therefore they need to be * placed after the virtio_device_ready() call above. */ - if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && lim.zoned) { + if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && + (lim.features & BLK_FEAT_ZONED)) { blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, vblk->disk->queue); err = blk_revalidate_disk_zones(vblk->disk); if (err) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index ca1f136575cff4..df6313c3fe6ba4 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1605,12 +1605,12 @@ int dm_calculate_queue_limits(struct dm_table *t, ti->type->iterate_devices(ti, dm_set_device_limits, &ti_limits); - if (!zoned && ti_limits.zoned) { + if (!zoned && (ti_limits.features & BLK_FEAT_ZONED)) { /* * After stacking all limits, validate all devices * in table support this zoned model and zone sectors. */ - zoned = ti_limits.zoned; + zoned = (ti_limits.features & BLK_FEAT_ZONED); zone_sectors = ti_limits.chunk_sectors; } @@ -1658,12 +1658,12 @@ int dm_calculate_queue_limits(struct dm_table *t, * zoned model on host-managed zoned block devices. * BUT... */ - if (limits->zoned) { + if (limits->features & BLK_FEAT_ZONED) { /* * ...IF the above limits stacking determined a zoned model * validate that all of the table's devices conform to it. */ - zoned = limits->zoned; + zoned = limits->features & BLK_FEAT_ZONED; zone_sectors = limits->chunk_sectors; } if (validate_hardware_zoned(t, zoned, zone_sectors)) @@ -1834,7 +1834,8 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, * For a zoned target, setup the zones related queue attributes * and resources necessary for zone append emulation if necessary. */ - if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && limits->zoned) { + if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && + (limits->features & limits->features & BLK_FEAT_ZONED)) { r = dm_set_zones_restrictions(t, q, limits); if (r) return r; diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c index 5d66d916730efa..88d313229b43ff 100644 --- a/drivers/md/dm-zone.c +++ b/drivers/md/dm-zone.c @@ -263,7 +263,7 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q, if (nr_conv_zones >= ret) { lim->max_open_zones = 0; lim->max_active_zones = 0; - lim->zoned = false; + lim->features &= ~BLK_FEAT_ZONED; clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags); disk->nr_zones = 0; return 0; diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c index 12236e6f46f39c..cd0ee144973f9f 100644 --- a/drivers/md/dm-zoned-target.c +++ b/drivers/md/dm-zoned-target.c @@ -1009,7 +1009,7 @@ static void dmz_io_hints(struct dm_target *ti, struct queue_limits *limits) limits->max_sectors = chunk_sectors; /* We are exposing a drive-managed zoned block device */ - limits->zoned = false; + limits->features &= ~BLK_FEAT_ZONED; } /* diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c index 77aa0f440a6d2a..06f2417aa50de7 100644 --- a/drivers/nvme/host/zns.c +++ b/drivers/nvme/host/zns.c @@ -108,7 +108,7 @@ int nvme_query_zone_info(struct nvme_ns *ns, unsigned lbaf, void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim, struct nvme_zone_info *zi) { - lim->zoned = 1; + lim->features |= BLK_FEAT_ZONED; lim->max_open_zones = zi->max_open_zones; lim->max_active_zones = zi->max_active_zones; lim->max_zone_append_sectors = ns->ctrl->max_zone_append; diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 360ec980499529..d3f84665946ec4 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -601,7 +601,7 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, if (sdkp->device->type != TYPE_ZBC) return 0; - lim->zoned = true; + lim->features |= BLK_FEAT_ZONED; /* * Per ZBC and ZAC specifications, writes in sequential write required diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index cd27b66cbacc00..bdc30c1fb1b57b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -313,6 +313,9 @@ enum { /* supports I/O polling */ BLK_FEAT_POLL = (1u << 9), + + /* is a zoned device */ + BLK_FEAT_ZONED = (1u << 10), }; /* @@ -320,7 +323,7 @@ enum { */ #define BLK_FEAT_INHERIT_MASK \ (BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA | BLK_FEAT_ROTATIONAL | \ - BLK_FEAT_STABLE_WRITES) + BLK_FEAT_STABLE_WRITES | BLK_FEAT_ZONED) /* internal flags in queue_limits.flags */ enum { @@ -372,7 +375,6 @@ struct queue_limits { unsigned char misaligned; unsigned char discard_misaligned; unsigned char raid_partial_stripes_expensive; - bool zoned; unsigned int max_open_zones; unsigned int max_active_zones; @@ -654,7 +656,8 @@ static inline enum rpm_status queue_rpm_status(struct request_queue *q) static inline bool blk_queue_is_zoned(struct request_queue *q) { - return IS_ENABLED(CONFIG_BLK_DEV_ZONED) && q->limits.zoned; + return IS_ENABLED(CONFIG_BLK_DEV_ZONED) && + (q->limits.features & BLK_FEAT_ZONED); } #ifdef CONFIG_BLK_DEV_ZONED