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=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 28902C433E1 for ; Mon, 24 Aug 2020 04:12:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 073E820768 for ; Mon, 24 Aug 2020 04:12:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="E4OtMhxI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727817AbgHXEME (ORCPT ); Mon, 24 Aug 2020 00:12:04 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:36673 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725271AbgHXEME (ORCPT ); Mon, 24 Aug 2020 00:12:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1598242322; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:in-reply-to:in-reply-to:references:references; bh=PtLoG0S3vzlaRrKzFpcy9t73aqOtBzYImVl0ZfDUaRA=; b=E4OtMhxI3f+a8b0r7/RdIug9H+HihTHtS1ABVqwkX4WOI7VM69DLyKc8MPnNA+Yhe3m8X0 vr15kA1D/c19vaIS0COBWBYvdNOKUE/Rj6xhv8GwPjkf69hHqbGOIG5vj0DDl5UEVrbesM Rs2k1QWW5s2Bcizi0YuE7Z6tRlz0cgE= 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-243-qM3TgJXIP82Se8XzhbirNg-1; Mon, 24 Aug 2020 00:11:58 -0400 X-MC-Unique: qM3TgJXIP82Se8XzhbirNg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2C1DC1885DA7; Mon, 24 Aug 2020 04:11:57 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-8-21.pek2.redhat.com [10.72.8.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id E4AD11944D; Mon, 24 Aug 2020 04:11:53 +0000 (UTC) From: Xiao Ni To: linux-raid@vger.kernel.org, song@kernel.org Cc: heinzm@redhat.com, ncroxon@redhat.com, guoqing.jiang@cloud.ionos.com, colyli@suse.de Subject: [PATCH V4 1/5] md/raid10: move codes related with submitting discard bio into one function Date: Mon, 24 Aug 2020 12:11:44 +0800 Message-Id: <1598242308-9619-2-git-send-email-xni@redhat.com> In-Reply-To: <1598242308-9619-1-git-send-email-xni@redhat.com> References: <1598242308-9619-1-git-send-email-xni@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-raid-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org These codes can be used in raid10. So we can move these codes into md.c. raid0 and raid10 can share these codes. Reviewed-by: Coly Li Reviewed-by: Guoqing Jiang Signed-off-by: Xiao Ni --- drivers/md/md.c | 23 +++++++++++++++++++++++ drivers/md/md.h | 3 +++ drivers/md/raid0.c | 15 ++------------- 3 files changed, 28 insertions(+), 13 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 6072782..10743be 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -8583,6 +8583,29 @@ void md_write_end(struct mddev *mddev) EXPORT_SYMBOL(md_write_end); +/* This is used by raid0 and raid10 */ +void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, + struct bio *bio, + sector_t dev_start, sector_t dev_end) +{ + struct bio *discard_bio = NULL; + + if (__blkdev_issue_discard(rdev->bdev, + dev_start + rdev->data_offset, + dev_end - dev_start, GFP_NOIO, 0, &discard_bio) || + !discard_bio) + return; + + bio_chain(discard_bio, bio); + bio_clone_blkg_association(discard_bio, bio); + if (mddev->gendisk) + trace_block_bio_remap(bdev_get_queue(rdev->bdev), + discard_bio, disk_devt(mddev->gendisk), + bio->bi_iter.bi_sector); + submit_bio_noacct(discard_bio); +} +EXPORT_SYMBOL(md_submit_discard_bio); + /* md_allow_write(mddev) * Calling this ensures that the array is marked 'active' so that writes * may proceed without blocking. It is important to call this before diff --git a/drivers/md/md.h b/drivers/md/md.h index d9c4e6b..bae3bd5 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -713,6 +713,9 @@ extern void md_write_end(struct mddev *mddev); extern void md_done_sync(struct mddev *mddev, int blocks, int ok); extern void md_error(struct mddev *mddev, struct md_rdev *rdev); extern void md_finish_reshape(struct mddev *mddev); +extern void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, + struct bio *bio, + sector_t dev_start, sector_t dev_end); extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio); extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev, diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index f54a449..2868294 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -510,7 +510,6 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) for (disk = 0; disk < zone->nb_dev; disk++) { sector_t dev_start, dev_end; - struct bio *discard_bio = NULL; struct md_rdev *rdev; if (disk < start_disk_index) @@ -533,18 +532,8 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) rdev = conf->devlist[(zone - conf->strip_zone) * conf->strip_zone[0].nb_dev + disk]; - if (__blkdev_issue_discard(rdev->bdev, - dev_start + zone->dev_start + rdev->data_offset, - dev_end - dev_start, GFP_NOIO, 0, &discard_bio) || - !discard_bio) - continue; - bio_chain(discard_bio, bio); - bio_clone_blkg_association(discard_bio, bio); - if (mddev->gendisk) - trace_block_bio_remap(bdev_get_queue(rdev->bdev), - discard_bio, disk_devt(mddev->gendisk), - bio->bi_iter.bi_sector); - submit_bio_noacct(discard_bio); + dev_start += zone->dev_start; + md_submit_discard_bio(mddev, rdev, bio, dev_start, dev_end); } bio_endio(bio); } -- 2.7.5