From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80D46C8259A for ; Tue, 24 Nov 2020 13:29:32 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D2864204EC for ; Tue, 24 Nov 2020 13:29:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D2864204EC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-541-z0pFknkuP_CZuyAFSs3ZHw-1; Tue, 24 Nov 2020 08:29:28 -0500 X-MC-Unique: z0pFknkuP_CZuyAFSs3ZHw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4DA92106B80C; Tue, 24 Nov 2020 13:29:22 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BC4A560C4D; Tue, 24 Nov 2020 13:29:21 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 1803E180954D; Tue, 24 Nov 2020 13:29:20 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 0AODTGpX018180 for ; Tue, 24 Nov 2020 08:29:17 -0500 Received: by smtp.corp.redhat.com (Postfix) id 30EB11004049; Tue, 24 Nov 2020 13:29:16 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast04.extmail.prod.ext.rdu2.redhat.com [10.11.55.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2C6E71112866 for ; Tue, 24 Nov 2020 13:29:16 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1A1E4108C06F for ; Tue, 24 Nov 2020 13:29:16 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-182-h_5qGbZBNTan9LOd0oqNVQ-1; Tue, 24 Nov 2020 08:29:13 -0500 X-MC-Unique: h_5qGbZBNTan9LOd0oqNVQ-1 Received: from [2001:4bb8:180:5443:c70:4a89:bc61:3] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1khYNR-0006hS-0P; Tue, 24 Nov 2020 13:29:01 +0000 From: Christoph Hellwig To: Jens Axboe Date: Tue, 24 Nov 2020 14:27:45 +0100 Message-Id: <20201124132751.3747337-40-hch@lst.de> In-Reply-To: <20201124132751.3747337-1-hch@lst.de> References: <20201124132751.3747337-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com Cc: linux-bcache@vger.kernel.org, Jan Kara , linux-fsdevel@vger.kernel.org, Mike Snitzer , Konrad Rzeszutek Wilk , Greg Kroah-Hartman , Jan Kara , Josef Bacik , Coly Li , linux-block@vger.kernel.org, Richard Weinberger , dm-devel@redhat.com, linux-mtd@lists.infradead.org, Johannes Thumshirn , Tejun Heo , xen-devel@lists.xenproject.org, linux-mm@kvack.org Subject: [dm-devel] [PATCH 39/45] block: remove the partno field from struct hd_struct X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Just use the bd_partno field in struct block_device everywhere. Signed-off-by: Christoph Hellwig --- block/genhd.c | 12 ++++++------ block/partitions/core.c | 9 ++++----- include/linux/genhd.h | 1 - init/do_mounts.c | 2 +- 4 files changed, 11 insertions(+), 13 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 197120c0c60f23..60004bc8ba5b56 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -576,8 +576,8 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt) int idx; /* in consecutive minor range? */ - if (part->partno < disk->minors) { - *devt = MKDEV(disk->major, disk->first_minor + part->partno); + if (part->bdev->bd_partno < disk->minors) { + *devt = MKDEV(disk->major, disk->first_minor + part->bdev->bd_partno); return 0; } @@ -847,7 +847,7 @@ void del_gendisk(struct gendisk *disk) disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE); while ((part = disk_part_iter_next(&piter))) { - invalidate_partition(disk, part->partno); + invalidate_partition(disk, part->bdev->bd_partno); delete_partition(part); } disk_part_iter_exit(&piter); @@ -989,7 +989,7 @@ void __init printk_all_partitions(void) printk("%s%s %10llu %s %s", is_part0 ? "" : " ", bdevt_str(part_devt(part), devt_buf), bdev_nr_sectors(part->bdev) >> 1, - disk_name(disk, part->partno, name_buf), + disk_name(disk, part->bdev->bd_partno, name_buf), part->bdev->bd_meta_info ? part->bdev->bd_meta_info->uuid : ""); if (is_part0) { @@ -1083,7 +1083,7 @@ static int show_partition(struct seq_file *seqf, void *v) seq_printf(seqf, "%4d %7d %10llu %s\n", MAJOR(part_devt(part)), MINOR(part_devt(part)), bdev_nr_sectors(part->bdev) >> 1, - disk_name(sgp, part->partno, buf)); + disk_name(sgp, part->bdev->bd_partno, buf)); disk_part_iter_exit(&piter); return 0; @@ -1506,7 +1506,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) "%lu %u" "\n", MAJOR(part_devt(hd)), MINOR(part_devt(hd)), - disk_name(gp, hd->partno, buf), + disk_name(gp, hd->bdev->bd_partno, buf), stat.ios[STAT_READ], stat.merges[STAT_READ], stat.sectors[STAT_READ], diff --git a/block/partitions/core.c b/block/partitions/core.c index 8beab9e7727e27..ee4f4e3237aa2d 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -184,7 +184,7 @@ static ssize_t part_partition_show(struct device *dev, { struct hd_struct *p = dev_to_part(dev); - return sprintf(buf, "%d\n", p->partno); + return sprintf(buf, "%d\n", p->bdev->bd_partno); } static ssize_t part_start_show(struct device *dev, @@ -274,7 +274,7 @@ static int part_uevent(struct device *dev, struct kobj_uevent_env *env) { struct hd_struct *part = dev_to_part(dev); - add_uevent_var(env, "PARTN=%u", part->partno); + add_uevent_var(env, "PARTN=%u", part->bdev->bd_partno); if (part->bdev->bd_meta_info && part->bdev->bd_meta_info->volname[0]) add_uevent_var(env, "PARTNAME=%s", part->bdev->bd_meta_info->volname); @@ -298,7 +298,7 @@ void delete_partition(struct hd_struct *part) struct disk_part_tbl *ptbl = rcu_dereference_protected(disk->part_tbl, 1); - rcu_assign_pointer(ptbl->part[part->partno], NULL); + rcu_assign_pointer(ptbl->part[part->bdev->bd_partno], NULL); rcu_assign_pointer(ptbl->last_lookup, NULL); kobject_put(part->bdev->bd_holder_dir); @@ -372,7 +372,6 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno, bdev->bd_start_sect = start; bdev_set_nr_sectors(bdev, len); - p->partno = partno; bdev->bd_read_only = get_disk_ro(disk); if (info) { @@ -445,7 +444,7 @@ static bool partition_overlaps(struct gendisk *disk, sector_t start, disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); while ((part = disk_part_iter_next(&piter))) { - if (part->partno == skip_partno || + if (part->bdev->bd_partno == skip_partno || start >= part->bdev->bd_start_sect + bdev_nr_sectors(part->bdev) || start + length <= part->bdev->bd_start_sect) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 77443a1031e373..afe27a0b8f5dd8 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -54,7 +54,6 @@ struct partition_meta_info { struct hd_struct { struct block_device *bdev; struct device __dev; - int partno; }; /** diff --git a/init/do_mounts.c b/init/do_mounts.c index 368ccb71850126..86bef93e72ebd6 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -136,7 +136,7 @@ static dev_t devt_from_partuuid(const char *uuid_str) struct hd_struct *part; part = disk_get_part(dev_to_disk(dev), - dev_to_part(dev)->partno + offset); + dev_to_part(dev)->bdev->bd_partno + offset); if (part) { devt = part_devt(part); put_device(part_to_dev(part)); -- 2.29.2 -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel