From patchwork Thu May 26 17:38:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roesch X-Patchwork-Id: 12862570 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 CEC8EC433F5 for ; Thu, 26 May 2022 17:39:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 50ED28D0008; Thu, 26 May 2022 13:39:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4541D8D0001; Thu, 26 May 2022 13:39:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2E6838D0008; Thu, 26 May 2022 13:39:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 18EAC8D0001 for ; Thu, 26 May 2022 13:39:04 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id D7AF7206FF for ; Thu, 26 May 2022 17:39:03 +0000 (UTC) X-FDA: 79508604966.07.253B8C0 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf28.hostedemail.com (Postfix) with ESMTP id CE1B9C001C for ; Thu, 26 May 2022 17:38:29 +0000 (UTC) Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 24QF3hS6012028 for ; Thu, 26 May 2022 10:39:02 -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=rv7J0LdI0Ppmj5mCGCobLN9xMm7ObF9QxqSwF5hjIfM=; b=ghU6rRBlo3YFvcDWKuXzielvJQp/ssaOZqDvzmAQIrABwjw4WK3SkaIaw9JDpacz6uTd KLC1eOmWRNFoPFIJe15oxYzyhm67EXN0KZV1zoYWWBLqPKUkpqsiF/PD0iytwcKQNqZE bPBDwcsZK41K+360cOxooxXaLZQsuGAoKfs= Received: from maileast.thefacebook.com ([163.114.130.16]) by m0001303.ppops.net (PPS) with ESMTPS id 3g9qtug2fy-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 26 May 2022 10:39:02 -0700 Received: from twshared19572.14.frc2.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Thu, 26 May 2022 10:39:00 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 753FFFA621D4; Thu, 26 May 2022 10:38:45 -0700 (PDT) From: Stefan Roesch To: , , , , CC: , , , Subject: [PATCH v6 04/16] iomap: Add flags parameter to iomap_page_create() Date: Thu, 26 May 2022 10:38:28 -0700 Message-ID: <20220526173840.578265-5-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220526173840.578265-1-shr@fb.com> References: <20220526173840.578265-1-shr@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-GUID: GqyvAyBT7bwsA6huH_CM1WPOLcF8zKnp X-Proofpoint-ORIG-GUID: GqyvAyBT7bwsA6huH_CM1WPOLcF8zKnp 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=2022-05-26_09,2022-05-25_02,2022-02-23_01 X-Rspamd-Queue-Id: CE1B9C001C X-Rspam-User: Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=fb.com header.s=facebook header.b=ghU6rRBl; spf=none (imf28.hostedemail.com: domain of "prvs=6145f8dd45=shr@fb.com" has no SPF policy when checking 67.231.153.30) smtp.mailfrom="prvs=6145f8dd45=shr@fb.com"; dmarc=pass (policy=reject) header.from=fb.com X-Stat-Signature: gwbsrjaeo1ms6xr7cmkfc934n9ospxoo X-Rspamd-Server: rspam05 X-HE-Tag: 1653586709-424469 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 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 Reviewed-by: Jan Kara Reviewed-by: Christoph Hellwig --- 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..d6ddc54e190e 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; 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 = to_iomap_page(folio); unsigned int nr_blocks = i_blocks_per_folio(inode, folio); + gfp_t gfp = GFP_NOFS | __GFP_NOFAIL; if (iop || nr_blocks <= 1) return iop; + if (flags & IOMAP_NOWAIT) + gfp = GFP_NOWAIT; + iop = 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 = iomap_page_create(iter->inode, folio); + iop = iomap_page_create(iter->inode, folio, iter->flags); else iop = to_iomap_page(folio); @@ -264,7 +269,7 @@ static loff_t iomap_readpage_iter(const struct iomap_iter *iter, return iomap_read_inline_data(iter, folio); /* zero post-eof blocks as the page may be mapped */ - iop = iomap_page_create(iter->inode, folio); + iop = iomap_page_create(iter->inode, folio, iter->flags); iomap_adjust_read_range(iter->inode, folio, &pos, length, &poff, &plen); if (plen == 0) goto done; @@ -550,7 +555,7 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, size_t len, struct folio *folio) { const struct iomap *srcmap = iomap_iter_srcmap(iter); - struct iomap_page *iop = iomap_page_create(iter->inode, folio); + struct iomap_page *iop; loff_t block_size = i_blocksize(iter->inode); loff_t block_start = round_down(pos, block_size); loff_t block_end = round_up(pos + len, block_size); @@ -561,6 +566,8 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, return 0; folio_clear_error(folio); + iop = 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 = iomap_page_create(inode, folio); + struct iomap_page *iop = iomap_page_create(inode, folio, 0); struct iomap_ioend *ioend, *next; unsigned len = i_blocksize(inode); unsigned nblocks = i_blocks_per_folio(inode, folio);