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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DB95C4332F for ; Tue, 26 Apr 2022 17:43:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A4E9E6B0075; Tue, 26 Apr 2022 13:43:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9B19F6B0078; Tue, 26 Apr 2022 13:43:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 82C496B007B; Tue, 26 Apr 2022 13:43:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 6404C6B0075 for ; Tue, 26 Apr 2022 13:43:51 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay12.hostedemail.com (Postfix) with ESMTP id 33C7B120D11 for ; Tue, 26 Apr 2022 17:43:51 +0000 (UTC) X-FDA: 79399753062.04.5612AA8 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by imf17.hostedemail.com (Postfix) with ESMTP id 96AF640048 for ; Tue, 26 Apr 2022 17:43:43 +0000 (UTC) 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 23QGQeK2017060 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-3 (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:c085:108::8) 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 10:43:47 -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: YEWhy4jqGwxU1XSx9bS5uMYWJ_pBIh1p X-Proofpoint-ORIG-GUID: YEWhy4jqGwxU1XSx9bS5uMYWJ_pBIh1p 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 X-Rspamd-Queue-Id: 96AF640048 X-Stat-Signature: 8w6pk5tjazjbchxwejh8ya8duoyznkpp X-Rspam-User: Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=fb.com header.s=facebook header.b=iyirba4h; spf=none (imf17.hostedemail.com: domain of "prvs=5115329de3=shr@fb.com" has no SPF policy when checking 67.231.145.42) smtp.mailfrom="prvs=5115329de3=shr@fb.com"; dmarc=pass (policy=reject) header.from=fb.com X-Rspamd-Server: rspam09 X-HE-Tag: 1650995023-637735 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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