From patchwork Wed Apr 6 06:12:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12802946 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 5F271C4167E for ; Wed, 6 Apr 2022 09:28:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355545AbiDFJ1j (ORCPT ); Wed, 6 Apr 2022 05:27:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1580556AbiDFJVA (ORCPT ); Wed, 6 Apr 2022 05:21:00 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F70E4BEF33; Tue, 5 Apr 2022 23:12:59 -0700 (PDT) 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=WNO6sTXUX6Lx7qkV5Fa2+br/k0Bo8EgFlPApwDJnToY=; b=xn6wfwtVXlctp/6je7N/z3ay9E vGgbs23+aruJ8Ua5VzorhXNI4nQMolw+5pKtcwBtlsPC54vTW3zS5Q3vVEOmi7hKNAeRnjCP5S2oc MdDvUsYPr0xq+wTKucFCjIxAE2E0ovjCPpwm1eh2GygBnaD4y9og20yZkzsGTMXU5HfLXABk971aR Hdpb4uVi+dtKTlTRcn2LAafiR1urZ/VfKUkW7R7a6J/8GstZI5Jz5EZ5CIp2kNLxmJRI4H15ddcHA 0hOoIrQx8+/15ngTv3AMezRv8D04WX+GJCeB5To1CSL5+vtqbrpg3UdV9n/ChPELmDeYtNeQueOc4 OCzyTuew==; Received: from 213-225-3-188.nat.highway.a1.net ([213.225.3.188] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nbyuQ-003zQR-Ag; Wed, 06 Apr 2022 06:12:51 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Coly Li , Mike Snitzer , Song Liu , "Martin K. Petersen" , Josef Bacik , David Sterba , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [PATCH 5/5] pktcdvd: stop using bio_reset Date: Wed, 6 Apr 2022 08:12:28 +0200 Message-Id: <20220406061228.410163-6-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220406061228.410163-1-hch@lst.de> References: <20220406061228.410163-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org Just initialize the bios on-demand. Signed-off-by: Christoph Hellwig --- drivers/block/pktcdvd.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 4a5b8730133c5..f270080f14786 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -525,7 +525,6 @@ static struct packet_data *pkt_alloc_packet_data(int frames) pkt->w_bio = bio_kmalloc(frames, GFP_KERNEL); if (!pkt->w_bio) goto no_bio; - bio_init(pkt->w_bio, NULL, pkt->w_bio->bi_inline_vecs, frames, 0); for (i = 0; i < frames / FRAMES_PER_PAGE; i++) { pkt->pages[i] = alloc_page(GFP_KERNEL|__GFP_ZERO); @@ -537,26 +536,20 @@ static struct packet_data *pkt_alloc_packet_data(int frames) bio_list_init(&pkt->orig_bios); for (i = 0; i < frames; i++) { - struct bio *bio = bio_kmalloc(1, GFP_KERNEL); - if (!bio) + pkt->r_bios[i] = bio_kmalloc(1, GFP_KERNEL); + if (!pkt->r_bios[i]) goto no_rd_bio; - bio_init(bio, NULL, bio->bi_inline_vecs, 1, 0); - pkt->r_bios[i] = bio; } return pkt; no_rd_bio: - for (i = 0; i < frames; i++) { - if (pkt->r_bios[i]) - bio_uninit(pkt->r_bios[i]); + for (i = 0; i < frames; i++) kfree(pkt->r_bios[i]); - } no_page: for (i = 0; i < frames / FRAMES_PER_PAGE; i++) if (pkt->pages[i]) __free_page(pkt->pages[i]); - bio_uninit(pkt->w_bio); kfree(pkt->w_bio); no_bio: kfree(pkt); @@ -571,13 +564,10 @@ static void pkt_free_packet_data(struct packet_data *pkt) { int i; - for (i = 0; i < pkt->frames; i++) { - bio_uninit(pkt->r_bios[i]); + for (i = 0; i < pkt->frames; i++) kfree(pkt->r_bios[i]); - } for (i = 0; i < pkt->frames / FRAMES_PER_PAGE; i++) __free_page(pkt->pages[i]); - bio_uninit(pkt->w_bio); kfree(pkt->w_bio); kfree(pkt); } @@ -952,6 +942,7 @@ static void pkt_end_io_read(struct bio *bio) if (bio->bi_status) atomic_inc(&pkt->io_errors); + bio_uninit(bio); if (atomic_dec_and_test(&pkt->io_wait)) { atomic_inc(&pkt->run_sm); wake_up(&pd->wqueue); @@ -969,6 +960,7 @@ static void pkt_end_io_packet_write(struct bio *bio) pd->stats.pkt_ended++; + bio_uninit(bio); pkt_bio_finished(pd); atomic_dec(&pkt->io_wait); atomic_inc(&pkt->run_sm); @@ -1023,7 +1015,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) continue; bio = pkt->r_bios[f]; - bio_reset(bio, pd->bdev, REQ_OP_READ); + bio_init(bio, pd->bdev, bio->bi_inline_vecs, 1, REQ_OP_READ); bio->bi_iter.bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9); bio->bi_end_io = pkt_end_io_read; bio->bi_private = pkt; @@ -1236,7 +1228,8 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) { int f; - bio_reset(pkt->w_bio, pd->bdev, REQ_OP_WRITE); + bio_init(pkt->w_bio, pd->bdev, pkt->w_bio->bi_inline_vecs, pkt->frames, + REQ_OP_WRITE); pkt->w_bio->bi_iter.bi_sector = pkt->sector; pkt->w_bio->bi_end_io = pkt_end_io_packet_write; pkt->w_bio->bi_private = pkt;