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 99B04C433F5 for ; Wed, 25 May 2022 22:37:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239827AbiEYWhH (ORCPT ); Wed, 25 May 2022 18:37:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345518AbiEYWfE (ORCPT ); Wed, 25 May 2022 18:35:04 -0400 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA7B3FD14 for ; Wed, 25 May 2022 15:35:03 -0700 (PDT) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 24PGtcqQ009591 for ; Wed, 25 May 2022 15:35:03 -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=xrXV6DDKAu8edht2TcHb7XC2Tqf/DAsX1r3VS5rTvoo=; b=nq/FnwgdSIxm3G9FiuG3qyoerWRrW88Z7auP/XV0XDH6CQ1Q4on+mEQUjeHlNPFYE33n YfyLfvGQIFSss8nr2vgfVMvzQY7nXodO3hkRAAC4zhf7eKnoQ8UKQHpX4W6rG+Y6X+1K iOURdEUMw7fswKxKwPRAHTS577uxgBnQAEY= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net (PPS) with ESMTPS id 3g93tx1dqr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 25 May 2022 15:35:02 -0700 Received: from twshared4937.07.ash9.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 15.1.2375.28; Wed, 25 May 2022 15:35:01 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 4A19FF9E1B83; Wed, 25 May 2022 15:34:35 -0700 (PDT) From: Stefan Roesch To: , , , , CC: , , , Subject: [PATCH v5 15/16] xfs: Add async buffered write support Date: Wed, 25 May 2022 15:34:31 -0700 Message-ID: <20220525223432.205676-16-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-ORIG-GUID: VoaTxnZyAU9sgahQMQmjh-_L8rYU-mNm X-Proofpoint-GUID: VoaTxnZyAU9sgahQMQmjh-_L8rYU-mNm 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 This adds the async buffered write support to XFS. For async buffered write requests, the request will return -EAGAIN if the ilock cannot be obtained immediately. Signed-off-by: Stefan Roesch --- fs/xfs/xfs_file.c | 9 ++++----- fs/xfs/xfs_iomap.c | 5 ++++- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 50dea07f5e56..e9d615f4c209 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -409,7 +409,7 @@ xfs_file_write_checks( spin_unlock(&ip->i_flags_lock); =20 out: - return file_modified(file); + return kiocb_modified(iocb); } =20 static int @@ -701,12 +701,11 @@ xfs_file_buffered_write( bool cleared_space =3D false; int iolock; =20 - if (iocb->ki_flags & IOCB_NOWAIT) - return -EOPNOTSUPP; - write_retry: iolock =3D XFS_IOLOCK_EXCL; - xfs_ilock(ip, iolock); + ret =3D xfs_ilock_iocb(ip, iocb->ki_flags, iolock); + if (ret) + return ret; =20 ret =3D xfs_file_write_checks(iocb, from, &iolock); if (ret) diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 3aa60e53a181..af8c50140f0f 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -881,6 +881,7 @@ xfs_buffered_write_iomap_begin( bool eof =3D false, cow_eof =3D false, shared =3D false; int allocfork =3D XFS_DATA_FORK; int error =3D 0; + unsigned int lockmode =3D XFS_ILOCK_EXCL; =20 if (xfs_is_shutdown(mp)) return -EIO; @@ -892,7 +893,9 @@ xfs_buffered_write_iomap_begin( =20 ASSERT(!XFS_IS_REALTIME_INODE(ip)); =20 - xfs_ilock(ip, XFS_ILOCK_EXCL); + error =3D xfs_ilock_for_iomap(ip, flags, &lockmode); + if (error) + return error; =20 if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(&ip->i_df)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { --=20 2.30.2