From patchwork Tue Jun 11 05:19:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 803420 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 F2B7D171060; Tue, 11 Jun 2024 05:21:01 +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=1718083263; cv=none; b=WgjBBy1PGIQOv57tklqpWvHnNetDw+LC8Yxf50JnXxSxoXk5xatXxWEGDOisCLEdxyGWdqVsYRsDVWihwNc6om5VVG5PbR96kTUTyTl/ruAuhBUrQRRAxlzL5PCh6llDmGU9MGe9RXd8rKEYoYN7D+K4MTYgtHebhMPa3sFY1J8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718083263; c=relaxed/simple; bh=W5lCfpOxYhnWapO3CL1xpcg/7BWNvKbMEdccVw6IJj0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cqM8KxdiRkxHmjB2HrD75JO2DuT6zhvFbRVJX/5342DDAlSodMM89ZbHdNcg0Apevc0rZOeEdr36FHo4sQA3jy2obJVZD6G9KzmWokXj3MS7q1xHrcWIKrHWa9TwsYo33tdWF2wkswvmCamJio7raaFJp0oVlcpcNJCnoXaSag4= 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=GHFc2na0; 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="GHFc2na0" 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=qlKmtKo7/zX0VXUQdwTjMLe6YSEDvI0ubwsdjUjoyVQ=; b=GHFc2na0UnihqmaixJGu/TELuO DA59e38dKWl4bLCWTE6MHwRpSY1i9TxhbUjbtlM5TMURGvj3fj9j7CbnFF6TCYc7bllp/4knQOHhs w1bkjVbhY44VYG+FJXbBfN/JegdBwx8hX2Ya1zQMEAdTkV3v3/EhTGrpD/DmBxnm7ClTS3qkxngmM bAtKFw3WPoTaIJGRqFPvvzbrBIc/FLHxu+suaiZz/SZNxnIJ5do9PeMFJo8imd1y0ZrW61bsSqjHa MeFMBRb54Ys8MywI117bala20KZHCnjb/NTo1y43kXdEBRtbd3/u6Ty+mxhLz2TNMNQU60CWbCCIp jD1pQUFg==; 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 1sGtw1-00000007Rcw-49Vx; Tue, 11 Jun 2024 05:20:42 +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 Subject: [PATCH 23/26] block: move the zone_resetall flag to queue_limits Date: Tue, 11 Jun 2024 07:19:23 +0200 Message-ID: <20240611051929.513387-24-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> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org 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 zone_resetall flag into the queue_limits feature field so that it can be set atomically and all I/O is frozen when changing the flag. Signed-off-by: Christoph Hellwig --- block/blk-mq-debugfs.c | 1 - drivers/block/null_blk/zoned.c | 3 +-- drivers/block/ublk_drv.c | 4 +--- drivers/block/virtio_blk.c | 3 +-- drivers/nvme/host/zns.c | 3 +-- drivers/scsi/sd_zbc.c | 5 +---- include/linux/blkdev.h | 6 ++++-- 7 files changed, 9 insertions(+), 16 deletions(-) diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 3a21527913840d..f2fd72f4414ae8 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -91,7 +91,6 @@ static const char *const blk_queue_flag_name[] = { QUEUE_FLAG_NAME(REGISTERED), QUEUE_FLAG_NAME(QUIESCED), QUEUE_FLAG_NAME(PCI_P2PDMA), - QUEUE_FLAG_NAME(ZONE_RESETALL), QUEUE_FLAG_NAME(RQ_ALLOC_TIME), QUEUE_FLAG_NAME(HCTX_ACTIVE), QUEUE_FLAG_NAME(SQ_SCHED), diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c index ca8e739e76b981..b42c00f1313254 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->features |= BLK_FEAT_ZONED; + lim->features |= BLK_FEAT_ZONED | BLK_FEAT_ZONE_RESETALL; 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; @@ -171,7 +171,6 @@ int null_register_zoned_dev(struct nullb *nullb) struct request_queue *q = nullb->q; struct gendisk *disk = nullb->disk; - blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q); disk->nr_zones = bdev_nr_zones(disk->part0); pr_info("%s: using %s zone append\n", diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 69c16018cbb19a..4fdff13fc23b8a 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -248,8 +248,6 @@ static int ublk_dev_param_zoned_validate(const struct ublk_device *ub) static void ublk_dev_param_zoned_apply(struct ublk_device *ub) { - blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ub->ub_disk->queue); - ub->ub_disk->nr_zones = ublk_get_nr_zones(ub); } @@ -2196,7 +2194,7 @@ 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.features |= BLK_FEAT_ZONED; + lim.features |= BLK_FEAT_ZONED | BLK_FEAT_ZONE_RESETALL; 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 cea45b296f8bec..6c64a67ab9c901 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->features |= BLK_FEAT_ZONED; + lim->features |= BLK_FEAT_ZONED | BLK_FEAT_ZONE_RESETALL; virtio_cread(vdev, struct virtio_blk_config, zoned.max_open_zones, &v); @@ -1548,7 +1548,6 @@ static int virtblk_probe(struct virtio_device *vdev) */ 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) goto out_cleanup_disk; diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c index 06f2417aa50de7..99bb89c2495ae3 100644 --- a/drivers/nvme/host/zns.c +++ b/drivers/nvme/host/zns.c @@ -108,13 +108,12 @@ 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->features |= BLK_FEAT_ZONED; + lim->features |= BLK_FEAT_ZONED | BLK_FEAT_ZONE_RESETALL; 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; lim->chunk_sectors = ns->head->zsze = nvme_lba_to_sect(ns->head, zi->zone_size); - blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ns->queue); } static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns, diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 26b6e92350cda9..8c79f588f80d8b 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -592,8 +592,6 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp) int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, u8 buf[SD_BUF_SIZE]) { - struct gendisk *disk = sdkp->disk; - struct request_queue *q = disk->queue; unsigned int nr_zones; u32 zone_blocks = 0; int ret; @@ -603,7 +601,7 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, return 0; } - lim->features |= BLK_FEAT_ZONED; + lim->features |= BLK_FEAT_ZONED | BLK_FEAT_ZONE_RESETALL; /* * Per ZBC and ZAC specifications, writes in sequential write required @@ -632,7 +630,6 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, sdkp->early_zone_info.zone_blocks = zone_blocks; /* The drive satisfies the kernel restrictions: set it up */ - blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q); if (sdkp->zones_max_open == U32_MAX) lim->max_open_zones = 0; else diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c0e06ff1b24a3d..ffb7a42871b4ed 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -316,6 +316,9 @@ enum { /* is a zoned device */ BLK_FEAT_ZONED = (1u << 10), + + /* supports Zone Reset All */ + BLK_FEAT_ZONE_RESETALL = (1u << 11), }; /* @@ -586,7 +589,6 @@ struct request_queue { #define QUEUE_FLAG_REGISTERED 22 /* queue has been registered to a disk */ #define QUEUE_FLAG_QUIESCED 24 /* queue has been quiesced */ #define QUEUE_FLAG_PCI_P2PDMA 25 /* device supports PCI p2p requests */ -#define QUEUE_FLAG_ZONE_RESETALL 26 /* supports Zone Reset All */ #define QUEUE_FLAG_RQ_ALLOC_TIME 27 /* record rq->alloc_time_ns */ #define QUEUE_FLAG_HCTX_ACTIVE 28 /* at least one blk-mq hctx is active */ #define QUEUE_FLAG_SQ_SCHED 30 /* single queue style io dispatch */ @@ -607,7 +609,7 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q); #define blk_queue_nonrot(q) ((q)->limits.features & BLK_FEAT_ROTATIONAL) #define blk_queue_io_stat(q) ((q)->limits.features & BLK_FEAT_IO_STAT) #define blk_queue_zone_resetall(q) \ - test_bit(QUEUE_FLAG_ZONE_RESETALL, &(q)->queue_flags) + ((q)->limits.features & BLK_FEAT_ZONE_RESETALL) #define blk_queue_dax(q) ((q)->limits.features & BLK_FEAT_DAX) #define blk_queue_pci_p2pdma(q) \ test_bit(QUEUE_FLAG_PCI_P2PDMA, &(q)->queue_flags)