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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 956FAC433EF for ; Tue, 26 Apr 2022 17:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229782AbiDZRq7 (ORCPT ); Tue, 26 Apr 2022 13:46:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238343AbiDZRq6 (ORCPT ); Tue, 26 Apr 2022 13:46:58 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B20CA1816E7 for ; Tue, 26 Apr 2022 10:43:49 -0700 (PDT) Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23QGQeK3017060 for ; Tue, 26 Apr 2022 10:43:49 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=5kC+EaG8kC1NKMRTCYxqHhGLne8jSvz8PgxcvPIUop4=; b=iyirba4hRWIPkhSOLF7SjU7PUizOK0Hd/MOc4d5C4ZWbYlqqd8bOrW6URG7DpEa6Q9DT O85UVe0gM1yWHgnzNBwZtCJvzgSL0nIS/8xkcKAOKdo7lpg/T/kznI5jhGAL3xIHhXW0 6+a+OQp4XOtRGET0UR6/oP01yhTXbc68Y1c= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fp6a8d4jv-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 26 Apr 2022 10:43:49 -0700 Received: from twshared19572.14.frc2.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:21d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 10:43:48 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 815E2E2D4859; Tue, 26 Apr 2022 10:43:40 -0700 (PDT) From: Stefan Roesch To: , , , , CC: , Subject: [RFC PATCH v1 03/18] iomap: add iomap_page_create_gfp to allocate iomap_pages Date: Tue, 26 Apr 2022 10:43:20 -0700 Message-ID: <20220426174335.4004987-4-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220426174335.4004987-1-shr@fb.com> References: <20220426174335.4004987-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: Jn6GHEVFyJ_acD2zVXmF3xSpuj61hoaw X-Proofpoint-ORIG-GUID: Jn6GHEVFyJ_acD2zVXmF3xSpuj61hoaw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-26_05,2022-04-26_02,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Add the function iomap_page_create_gfp() to be able to specify gfp flags and to pass in the number of blocks per folio in the function iomap_page_create_gfp(). No intended functional changes in this patch. Signed-off-by: Stefan Roesch --- fs/iomap/buffered-io.c | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 8ce8720093b9..85aa32f50db0 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -43,17 +43,27 @@ static inline struct iomap_page *to_iomap_page(struct= folio *folio) =20 static struct bio_set iomap_ioend_bioset; =20 +/** + * iomap_page_create_gfp : Create and initialize iomap_page for folio. + * @inode : Pointer to inode + * @folio : Pointer to folio + * @nr_blocks : Number of blocks in the folio + * @gfp : gfp allocation flags + * + * This function returns a newly allocated iomap for the folio with the = settings + * specified in the gfp parameter. + * + **/ static struct iomap_page * -iomap_page_create(struct inode *inode, struct folio *folio) +iomap_page_create_gfp(struct inode *inode, struct folio *folio, + unsigned int nr_blocks, gfp_t gfp) { - struct iomap_page *iop =3D to_iomap_page(folio); - unsigned int nr_blocks =3D i_blocks_per_folio(inode, folio); + struct iomap_page *iop; =20 - if (iop || nr_blocks <=3D 1) + iop =3D kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)), g= fp); + if (!iop) return iop; =20 - iop =3D kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)), - GFP_NOFS | __GFP_NOFAIL); spin_lock_init(&iop->uptodate_lock); if (folio_test_uptodate(folio)) bitmap_fill(iop->uptodate, nr_blocks); @@ -61,6 +71,18 @@ iomap_page_create(struct inode *inode, struct folio *f= olio) return iop; } =20 +static struct iomap_page * +iomap_page_create(struct inode *inode, struct folio *folio) +{ + struct iomap_page *iop =3D to_iomap_page(folio); + unsigned int nr_blocks =3D i_blocks_per_folio(inode, folio); + + if (iop || nr_blocks <=3D 1) + return iop; + + return iomap_page_create_gfp(inode, folio, nr_blocks, GFP_NOFS | __GFP_= NOFAIL); +} + static void iomap_page_release(struct folio *folio) { struct iomap_page *iop =3D folio_detach_private(folio); --=20 2.30.2