From patchwork Thu Mar 30 10:43:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13193923 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13732C77B60 for ; Thu, 30 Mar 2023 10:45:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231183AbjC3Kpm (ORCPT ); Thu, 30 Mar 2023 06:45:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231190AbjC3KpE (ORCPT ); Thu, 30 Mar 2023 06:45:04 -0400 Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AF879760; Thu, 30 Mar 2023 03:44:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1680173074; x=1711709074; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BUmURHFdu9KejVTyXSm50CHGFvGjlqfpSblNCpyXxd0=; b=Fx+u75zK3MpiEm8i67+PCrCW4tRMLIoia7s8mMq7HlC9B/otm7k7f43R SYBWRb5HcYv2YlRuHUM0fmyRRfuPv7GgVTe+QIAk1isS70jIWsvGxDhNc KCtEnyUjZ9P3ul+lKBELbLcTPmdMgJu3P6PRGKAC15yQXGsSVwvbsFuHU l2Y9GXm768/WPQsZrz3lNwAAG11Tlfi2OfaI9i2MH1r+WctGtA0y29Bov glzzrXe20uk5bGx7jFRbPgk/hTQb72z9xlWT+4M4kVpqpBTAdK5VqnNk1 yHHB6O2RNWiv63FH/dYrGr+J9dYQvRQYzq3SkJnjTxjATz2o08lHQ8ylp w==; X-IronPort-AV: E=Sophos;i="5.98,303,1673884800"; d="scan'208";a="331317823" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 30 Mar 2023 18:44:15 +0800 IronPort-SDR: IHAm92Wxhv+3KwieB4WAOtJd01Qev/gW2mlPlWquqgb/ikryZ6IwiBYInhk25bHnlSGPn3d5Ch IiUrxE6eFWxpkyvyCjFbAMzhAvxa4fgHBzo4t3z3cF3RxDps0zrx9mcIc4GuUWK0pS1mYXLbze 1rEeCi4rSrFC0BU5X7LQPgG3WBcDHDzSALoq7D6sRWzOmGVPDhQLUHLxu4kpxUKlLAwanxJ9nQ 2gXHbRuhT8agbOf43gzZSSl1dpF5reIKXBvImEUqi382JP/vLSwwCdmWinitE7CFspbn3RUftQ P6o= Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 30 Mar 2023 03:00:23 -0700 IronPort-SDR: zqJUuuEWGvtk5ynuIvdoGSTcK/Y7DxRZqa2AqDl93PHBq8zvX3+RgmnnfgDIeH88tY2GRigaWC ksCV/5j5AZp1gugBzl1vz+fSlxsewSxY1IwvAF8Z1UQmeURLZPv6rUrbXBVcc6ZKqszwyeJr9U LQsK3/q3aYuyJzksTzLRhNklEISxCuzFF/G4VTc5KVfAu43VSgYzFZoy1iZQGI8hm4vbdG/U+b a9LQ6+vlvJUUlbReY3s1WU5G9fOKBxzpyEUyM461G23b/3bmRf1IU3OFcf2/9bo9XK1+73YPu+ eEA= WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.72]) by uls-op-cesaip01.wdc.com with ESMTP; 30 Mar 2023 03:44:12 -0700 From: Johannes Thumshirn To: Jens Axboe Cc: Christoph Hellwig , Hannes Reinecke , Chaitanya Kulkarni , Damien Le Moal , Ming Lei , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dm-devel@redhat.com, Song Liu , linux-raid@vger.kernel.org, Mike Snitzer , Matthew Wilcox , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com, Bob Peterson , Andreas Gruenbacher , David Sterba , linux-btrfs@vger.kernel.org, Johannes Thumshirn , Damien Le Moal Subject: [PATCH v2 03/19] dm: dm-zoned: use __bio_add_page for adding single metadata page Date: Thu, 30 Mar 2023 03:43:45 -0700 Message-Id: <0b8d78cb8d38e4d4e3c5b1c187c81194b6403251.1680172791.git.johannes.thumshirn@wdc.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org dm-zoned uses bio_add_page() for adding a single page to a freshly created metadata bio. Use __bio_add_page() instead as adding a single page to a new bio is always guaranteed to succeed. This brings us a step closer to marking bio_add_page() __must_check Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal --- drivers/md/dm-zoned-metadata.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index cf9402064aba..8dbe102ab271 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -577,7 +577,7 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd, bio->bi_iter.bi_sector = dmz_blk2sect(block); bio->bi_private = mblk; bio->bi_end_io = dmz_mblock_bio_end_io; - bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); submit_bio(bio); return mblk; @@ -728,7 +728,7 @@ static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk, bio->bi_iter.bi_sector = dmz_blk2sect(block); bio->bi_private = mblk; bio->bi_end_io = dmz_mblock_bio_end_io; - bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); submit_bio(bio); return 0; @@ -752,7 +752,7 @@ static int dmz_rdwr_block(struct dmz_dev *dev, enum req_op op, bio = bio_alloc(dev->bdev, 1, op | REQ_SYNC | REQ_META | REQ_PRIO, GFP_NOIO); bio->bi_iter.bi_sector = dmz_blk2sect(block); - bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0); ret = submit_bio_wait(bio); bio_put(bio);