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 170DDC46467 for ; Mon, 16 May 2022 16:48:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343845AbiEPQsr (ORCPT ); Mon, 16 May 2022 12:48:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233927AbiEPQsi (ORCPT ); Mon, 16 May 2022 12:48:38 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A70B73C71E for ; Mon, 16 May 2022 09:48:36 -0700 (PDT) Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24GGHCD9006198 for ; Mon, 16 May 2022 09:48:36 -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=NNrDPrekHFh8/hRBV4DG1HSO6+lYTlDlJTwP4RIGFFPSb1ymrGdMORfZamumZy2sTlyB Yebt9pO66VbOEaR5lEromYd34UgkpVJ7NcGAJnVFGAFXzDX6KFB7NbYjiafECG9a7a91 jiti1tPvMGPOwBXZSO2pqAiTo5Ta+HZikME= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3g2a8u2m99-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 16 May 2022 09:48:35 -0700 Received: from twshared6696.05.ash7.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:21d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 16 May 2022 09:48:34 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 423C4F146DD3; Mon, 16 May 2022 09:48:25 -0700 (PDT) From: Stefan Roesch To: , , , , CC: , , Subject: [RFC PATCH v2 02/16] iomap: add iomap_page_create_gfp to allocate iomap_pages Date: Mon, 16 May 2022 09:47:04 -0700 Message-ID: <20220516164718.2419891-3-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220516164718.2419891-1-shr@fb.com> References: <20220516164718.2419891-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: gzr4CFm_5aDHtnqQYhbwpoAmcG6DR1m8 X-Proofpoint-GUID: gzr4CFm_5aDHtnqQYhbwpoAmcG6DR1m8 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=2022-05-16_15,2022-05-16_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