From patchwork Tue Jun 11 05:19:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13693123 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 04118C27C79 for ; Tue, 11 Jun 2024 05:27:48 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.737654.1144140 (Exim 4.92) (envelope-from ) id 1sGu2k-0005wZ-Ko; Tue, 11 Jun 2024 05:27:38 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 737654.1144140; Tue, 11 Jun 2024 05:27:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sGu2k-0005uh-1U; Tue, 11 Jun 2024 05:27:38 +0000 Received: by outflank-mailman (input) for mailman id 737654; Tue, 11 Jun 2024 05:27:36 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sGtwO-0006Mb-Cy for xen-devel@lists.xenproject.org; Tue, 11 Jun 2024 05:21:04 +0000 Received: from bombadil.infradead.org (bombadil.infradead.org [2607:7c80:54:3::133]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 64da028a-27b2-11ef-90a3-e314d9c70b13; Tue, 11 Jun 2024 07:21:03 +0200 (CEST) Received: from 2a02-8389-2341-5b80-cdb4-8e7d-405d-6b77.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:cdb4:8e7d:405d:6b77] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGtvy-00000007RZs-3sVF; Tue, 11 Jun 2024 05:20:39 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 64da028a-27b2-11ef-90a3-e314d9c70b13 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=5mPtzUFYWku1ONmVEH8jZ17L+LcdHqvBXUpltlTWtTA=; b=H5hnHf06QTVfs2OqEucyFELRfr PEG5Y/mAHSJAe5iiJYIr+4/Z1GEubo4APGRf/ohbtDmDJ1KP0rUDnDJ5yuYW8QiFN/WG0fh/CsKZn +iofXA+NbMD9kchsArbhniwvy7h+NRtqygX6fT1m+/xdIC4zfXUSz85rGeU8L+mL1ETLjLUzzh1KM hdXMgFDqLq5i0Oj21OU7rhibSZ5Nr3a6CQyRvHzcKbtDKaidYmYY3LEgqEhFtxAHENLSHR3BVM1o5 +WWotNHL2Qs6XWxhEP/A+ohChDHg/Wz5SZ906+XqqpqRwc24kl5NWWOn0f3FUjSZDhQTaiHxepGo0 ab83rQ0w==; 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 Subject: [PATCH 22/26] block: move the zoned flag into the feature field Date: Tue, 11 Jun 2024 07:19:22 +0200 Message-ID: <20240611051929.513387-23-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240611051929.513387-1-hch@lst.de> References: <20240611051929.513387-1-hch@lst.de> 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 boolean zoned field into the flags field to reclaim a little bit of space. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal --- 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 | 4 ++-- include/linux/blkdev.h | 9 ++++++--- 10 files changed, 24 insertions(+), 20 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 653c253b6f7f32..48ccd9a396d8e6 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 e9501db0450be3..26b6e92350cda9 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -599,11 +599,11 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, int ret; if (!sd_is_zoned(sdkp)) { - lim->zoned = false; + lim->features &= ~BLK_FEAT_ZONED; 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 d0db354b12db47..c0e06ff1b24a3d 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