From nobody Thu Nov 14 04:20:53 2024 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 0330FC6379F for ; Tue, 14 Feb 2023 17:16:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233149AbjBNRQQ (ORCPT ); Tue, 14 Feb 2023 12:16:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232221AbjBNRPR (ORCPT ); Tue, 14 Feb 2023 12:15:17 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADEA12BF23 for ; Tue, 14 Feb 2023 09:14:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676394864; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AA3SDxqAw6tV+jeEhwhhXCCPQx7iw6NiGu/cAPT0aQk=; b=BCSrFSm9m4vCFf6Z47aB/J5gIS1hhLR9Jora5YI3jbQWFJxTF6Dk9i7xJS2VU7WmjNZILq HHtLpHmi6534FdaMK1rjGeqt2Yd+EDp+u5sbZehD45CDaUGyULi/wh6owDjNebyE37s8a4 WeQMySuKgnsoqnNVSu4XO97LQGV267A= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-515-DQOy9zFmOZSICpQlPKxSDw-1; Tue, 14 Feb 2023 12:14:20 -0500 X-MC-Unique: DQOy9zFmOZSICpQlPKxSDw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EE7998027EB; Tue, 14 Feb 2023 17:14:18 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 179BC2026D4B; Tue, 14 Feb 2023 17:14:16 +0000 (UTC) From: David Howells To: Jens Axboe , Al Viro , Christoph Hellwig Cc: David Howells , Matthew Wilcox , Jan Kara , Jeff Layton , David Hildenbrand , Jason Gunthorpe , Logan Gunthorpe , Hillf Danton , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, John Hubbard Subject: [PATCH v14 12/17] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing Date: Tue, 14 Feb 2023 17:13:25 +0000 Message-Id: <20230214171330.2722188-13-dhowells@redhat.com> In-Reply-To: <20230214171330.2722188-1-dhowells@redhat.com> References: <20230214171330.2722188-1-dhowells@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" ZERO_PAGE can't go away, no need to hold an extra reference. Signed-off-by: David Howells Reviewed-by: David Hildenbrand Reviewed-by: John Hubbard cc: Al Viro cc: David Hildenbrand cc: linux-fsdevel@vger.kernel.org --- fs/iomap/direct-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 9804714b1751..47db4ead1e74 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -202,7 +202,7 @@ static void iomap_dio_zero(const struct iomap_iter *ite= r, struct iomap_dio *dio, bio->bi_private =3D dio; bio->bi_end_io =3D iomap_dio_bio_end_io; =20 - get_page(page); + bio_set_flag(bio, BIO_NO_PAGE_REF); __bio_add_page(bio, page, len, 0); iomap_dio_submit_bio(iter, dio, bio, pos); }