From patchwork Tue Jan 26 14:52:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12047045 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 864D0C433E6 for ; Tue, 26 Jan 2021 15:13:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 571722310E for ; Tue, 26 Jan 2021 15:13:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406092AbhAZPM6 (ORCPT ); Tue, 26 Jan 2021 10:12:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392761AbhAZPMt (ORCPT ); Tue, 26 Jan 2021 10:12:49 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F86BC061D7F; Tue, 26 Jan 2021 07:12:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=HErhv54QBaSjoGpiWf1SZ+x2VawfdyThF54vo2cmZ+0=; b=psFgtPRZ6D/21BqcKKyxXBT5zV Arh/O5/9ipibQp28daCFwPAkwEfB8+qxTkARKVHVe011bePjLLoCZIAzrYjP3M/HV6EqUx4is00Yk kOABbaz6Etshz/WgzYdyqQE+9HKqaXrdoZVODEsiOGiRPyCkiK74I61FXpT/fV0sHhSRmxgTQ0iBY SFDBTDTQ5plMii25HFVgTG3Wg/BO1lFNS1S2Mmjf3GTuH1SDsGuByg0C1MHlYmglHBfP0gXy8clgd Ld4f4GtTIzjg/E/zIYg1Xr48+Gj7Jvj4OIzkm7oxnKOobS8TWjPxW+tR7kP9DT95SnrWdUOiZj+ok zlSx8+ow==; Received: from [2001:4bb8:191:e347:5918:ac86:61cb:8801] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1l4PwO-005nSC-70; Tue, 26 Jan 2021 15:07:53 +0000 From: Christoph Hellwig To: Jens Axboe , Song Liu Cc: Jaegeuk Kim , Chao Yu , Philipp Reisner , Lars Ellenberg , Coly Li , Mike Snitzer , Josef Bacik , David Sterba , Damien Le Moal , Naohiro Aota , Andrew Morton , Ryusuke Konishi , linux-nilfs@vger.kernel.org, dm-devel@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/17] drbd: remove bio_alloc_drbd Date: Tue, 26 Jan 2021 15:52:39 +0100 Message-Id: <20210126145247.1964410-10-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210126145247.1964410-1-hch@lst.de> References: <20210126145247.1964410-1-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 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Given that drbd_md_io_bio_set is initialized during module initialization and the module fails to load if the initialization fails there is no need to fall back to plain bio_alloc. Signed-off-by: Christoph Hellwig --- drivers/block/drbd/drbd_actlog.c | 2 +- drivers/block/drbd/drbd_bitmap.c | 2 +- drivers/block/drbd/drbd_int.h | 2 -- drivers/block/drbd/drbd_main.c | 13 ------------- 4 files changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 7227fc7ab8ed1e..72cf7603d51fc7 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -138,7 +138,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, op_flags |= REQ_FUA | REQ_PREFLUSH; op_flags |= REQ_SYNC; - bio = bio_alloc_drbd(GFP_NOIO); + bio = bio_alloc_bioset(GFP_NOIO, 1, &drbd_md_io_bio_set); bio_set_dev(bio, bdev->md_bdev); bio->bi_iter.bi_sector = sector; err = -EIO; diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index df53dca5d02c7e..c1f816f896a89a 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -976,7 +976,7 @@ static void drbd_bm_endio(struct bio *bio) static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_hold(local) { - struct bio *bio = bio_alloc_drbd(GFP_NOIO); + struct bio *bio = bio_alloc_bioset(GFP_NOIO, 1, &drbd_md_io_bio_set); struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; struct page *page; diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index b2c93a29c251fd..02db50d7e4c668 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1422,8 +1422,6 @@ extern mempool_t drbd_md_io_page_pool; /* We also need to make sure we get a bio * when we need it for housekeeping purposes */ extern struct bio_set drbd_md_io_bio_set; -/* to allocate from that set */ -extern struct bio *bio_alloc_drbd(gfp_t gfp_mask); /* And a bio_set for cloning */ extern struct bio_set drbd_io_bio_set; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 1c8c18b2a25f33..788dd97e6026b8 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -138,19 +138,6 @@ static const struct block_device_operations drbd_ops = { .release = drbd_release, }; -struct bio *bio_alloc_drbd(gfp_t gfp_mask) -{ - struct bio *bio; - - if (!bioset_initialized(&drbd_md_io_bio_set)) - return bio_alloc(gfp_mask, 1); - - bio = bio_alloc_bioset(gfp_mask, 1, &drbd_md_io_bio_set); - if (!bio) - return NULL; - return bio; -} - #ifdef __CHECKER__ /* When checking with sparse, and this is an inline function, sparse will give tons of false positives. When this is a real functions sparse works.