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 E807DC433EF for ; Wed, 25 May 2022 22:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344836AbiEYWfU (ORCPT ); Wed, 25 May 2022 18:35:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344619AbiEYWev (ORCPT ); Wed, 25 May 2022 18:34:51 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F17E2FD10 for ; Wed, 25 May 2022 15:34:49 -0700 (PDT) Received: from pps.filterd (m0109332.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24PGtdh7009907 for ; Wed, 25 May 2022 15:34:49 -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=zeIBIRPPCGXDuSo1H7/8XUmuyxFIlVdisrj7fMF8Y4s=; b=nLg4hrXstjAIFJ2E0axlmr0ufRW7VwNFXhqg6CYVpbaTNemiLCczqSlcgUt6/wz3+NXf YotKU2rjvhou5KTDw8552veHCm/faiiGrz3CANiqRzfRCp2fDJr9DZSyujmJYlZSJAg9 qSW4qeXZWf0IdsMrTJes2aZCS1WFxLqC1aw= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3g93tvseh3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 25 May 2022 15:34:48 -0700 Received: from twshared10276.08.ash9.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Wed, 25 May 2022 15:34:46 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 03BE1F9E1B4E; Wed, 25 May 2022 15:34:35 -0700 (PDT) From: Stefan Roesch To: , , , , CC: , , , Subject: [PATCH v5 04/16] iomap: Add flags parameter to iomap_page_create() Date: Wed, 25 May 2022 15:34:20 -0700 Message-ID: <20220525223432.205676-5-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220525223432.205676-1-shr@fb.com> References: <20220525223432.205676-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: aECTbpVfJDsMLEg804hGaZro8QXa45Ee X-Proofpoint-ORIG-GUID: aECTbpVfJDsMLEg804hGaZro8QXa45Ee X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-25_06,2022-05-25_02,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Add the kiocb flags parameter to the function iomap_page_create(). Depending on the value of the flags parameter it enables different gfp flags. No intended functional changes in this patch. Signed-off-by: Stefan Roesch --- fs/iomap/buffered-io.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 8ce8720093b9..8ef77f7287aa 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -44,16 +44,21 @@ static inline struct iomap_page *to_iomap_page(struct= folio *folio) static struct bio_set iomap_ioend_bioset; =20 static struct iomap_page * -iomap_page_create(struct inode *inode, struct folio *folio) +iomap_page_create(struct inode *inode, struct folio *folio, unsigned int= flags) { struct iomap_page *iop =3D to_iomap_page(folio); unsigned int nr_blocks =3D i_blocks_per_folio(inode, folio); + gfp_t gfp =3D GFP_NOFS | __GFP_NOFAIL; =20 if (iop || nr_blocks <=3D 1) return iop; =20 + if (flags & IOMAP_NOWAIT) + gfp =3D GFP_NOWAIT; + iop =3D kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)), - GFP_NOFS | __GFP_NOFAIL); + gfp); + spin_lock_init(&iop->uptodate_lock); if (folio_test_uptodate(folio)) bitmap_fill(iop->uptodate, nr_blocks); @@ -226,7 +231,7 @@ static int iomap_read_inline_data(const struct iomap_= iter *iter, if (WARN_ON_ONCE(size > iomap->length)) return -EIO; if (offset > 0) - iop =3D iomap_page_create(iter->inode, folio); + iop =3D iomap_page_create(iter->inode, folio, 0); else iop =3D to_iomap_page(folio); =20 @@ -264,7 +269,7 @@ static loff_t iomap_readpage_iter(const struct iomap_= iter *iter, return iomap_read_inline_data(iter, folio); =20 /* zero post-eof blocks as the page may be mapped */ - iop =3D iomap_page_create(iter->inode, folio); + iop =3D iomap_page_create(iter->inode, folio, 0); iomap_adjust_read_range(iter->inode, folio, &pos, length, &poff, &plen)= ; if (plen =3D=3D 0) goto done; @@ -550,7 +555,7 @@ static int __iomap_write_begin(const struct iomap_ite= r *iter, loff_t pos, size_t len, struct folio *folio) { const struct iomap *srcmap =3D iomap_iter_srcmap(iter); - struct iomap_page *iop =3D iomap_page_create(iter->inode, folio); + struct iomap_page *iop; loff_t block_size =3D i_blocksize(iter->inode); loff_t block_start =3D round_down(pos, block_size); loff_t block_end =3D round_up(pos + len, block_size); @@ -561,6 +566,8 @@ static int __iomap_write_begin(const struct iomap_ite= r *iter, loff_t pos, return 0; folio_clear_error(folio); =20 + iop =3D iomap_page_create(iter->inode, folio, iter->flags); + do { iomap_adjust_read_range(iter->inode, folio, &block_start, block_end - block_start, &poff, &plen); @@ -1332,7 +1339,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc= , struct writeback_control *wbc, struct inode *inode, struct folio *folio, u64 end_pos) { - struct iomap_page *iop =3D iomap_page_create(inode, folio); + struct iomap_page *iop =3D iomap_page_create(inode, folio, 0); struct iomap_ioend *ioend, *next; unsigned len =3D i_blocksize(inode); unsigned nblocks =3D i_blocks_per_folio(inode, folio); --=20 2.30.2