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Haris Iqbal" , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Konrad Rzeszutek Wilk , =?iso-8859-1?Q?Roger_Pau_Monn=E9?= , Mike Snitzer , Maxim Levitsky , Alex Dubov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , "dm-devel@redhat.com" , "linux-block@vger.kernel.org" , "nbd@other.debian.org" , "linuxppc-dev@lists.ozlabs.org" , "ceph-devel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "xen-devel@lists.xenproject.org" , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-s390@vger.kernel.org" Subject: Re: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Topic: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Index: AQHXV3xgq8Qh2KPeAkCUNVGDF6BX9g== Date: Thu, 3 Jun 2021 00:10:09 +0000 Message-ID: References: <20210602065345.355274-1-hch@lst.de> <20210602065345.355274-21-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: lst.de; dkim=none (message not signed) header.d=none;lst.de; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR04MB4965.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 410c689a-bed7-4693-4767-08d92623f325 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2021 00:10:09.2084 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: csvqD0vw659M62vyGjnjyxGD18c3A93cKZHc7kill9AefsspYbo6IxhVdXG3I88JuR8UAroB3qRvmH2ffepP66pf7ZnPFJxPeY8tuhTHcyk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB3861 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 6/1/21 23:56, Christoph Hellwig wrote:=0A= > Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and=0A= > request_queue allocation.=0A= >=0A= > Signed-off-by: Christoph Hellwig =0A= > ---=0A= > drivers/block/null_blk/main.c | 11 +++++------=0A= > 1 file changed, 5 insertions(+), 6 deletions(-)=0A= >=0A= > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.= c=0A= > index d8e098f1e5b5..74fb2ec63219 100644=0A= > --- a/drivers/block/null_blk/main.c=0A= > +++ b/drivers/block/null_blk/main.c=0A= > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev)= =0A= > =0A= > rv =3D -ENOMEM;=0A= =0A= Is above initialization needed ?=0A= =0A= > nullb->tag_set->timeout =3D 5 * HZ;=0A= > - nullb->q =3D blk_mq_init_queue_data(nullb->tag_set, nullb);=0A= > - if (IS_ERR(nullb->q))=0A= > - goto out_cleanup_tags;=0A= > - nullb->disk =3D alloc_disk_node(1, nullb->dev->home_node);=0A= > - if (!nullb->disk)=0A= > + nullb->disk =3D blk_mq_alloc_disk(nullb->tag_set, nullb);=0A= > + if (IS_ERR(nullb->disk)) {=0A= > + rv =3D PTR_ERR(nullb->disk);=0A= > goto out_cleanup_disk;=0A= > - nullb->disk->queue =3D nullb->q;=0A= > + }=0A= > + nullb->q =3D nullb->disk->queue;=0A= > } else if (dev->queue_mode =3D=3D NULL_Q_BIO) {=0A= > rv =3D -ENOMEM;=0A= > nullb->disk =3D blk_alloc_disk(nullb->dev->home_node);=0A= =0A= 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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1DBAC4708F for ; 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Thu, 3 Jun 2021 00:10:09 +0000 From: Chaitanya Kulkarni To: Christoph Hellwig Subject: Re: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Topic: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Index: AQHXV3xgq8Qh2KPeAkCUNVGDF6BX9g== Date: Thu, 3 Jun 2021 00:10:09 +0000 Message-ID: References: <20210602065345.355274-1-hch@lst.de> <20210602065345.355274-21-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: lst.de; dkim=none (message not signed) header.d=none;lst.de; dmarc=none action=none header.from=wdc.com; x-originating-ip: [199.255.45.62] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 410c689a-bed7-4693-4767-08d92623f325 x-ms-traffictypediagnostic: BYAPR04MB3861: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:431; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR04MB4965.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 410c689a-bed7-4693-4767-08d92623f325 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2021 00:10:09.2084 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: csvqD0vw659M62vyGjnjyxGD18c3A93cKZHc7kill9AefsspYbo6IxhVdXG3I88JuR8UAroB3qRvmH2ffepP66pf7ZnPFJxPeY8tuhTHcyk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB3861 X-Mailman-Approved-At: Thu, 03 Jun 2021 10:36:20 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Justin Sanders , Vignesh Raghavendra , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , "virtualization@lists.linux-foundation.org" , "dm-devel@redhat.com" , "Md. Haris Iqbal" , Miquel Raynal , Jack Wang , Tim Waugh , "linux-s390@vger.kernel.org" , Maxim Levitsky , Richard Weinberger , Christian Borntraeger , "xen-devel@lists.xenproject.org" , Ilya Dryomov , Vasily Gorbik , Alex Dubov , Konrad Rzeszutek Wilk , Heiko Carstens , Josef Bacik , Denis Efremov , "nbd@other.debian.org" , "linux-block@vger.kernel.org" , "ceph-devel@vger.kernel.org" , Jens Axboe , Geoff Levand , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linuxppc-dev@lists.ozlabs.org" , =?iso-8859-1?Q?Roger_Pau_Monn=E9?= Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 6/1/21 23:56, Christoph Hellwig wrote:=0A= > Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and=0A= > request_queue allocation.=0A= >=0A= > Signed-off-by: Christoph Hellwig =0A= > ---=0A= > drivers/block/null_blk/main.c | 11 +++++------=0A= > 1 file changed, 5 insertions(+), 6 deletions(-)=0A= >=0A= > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.= c=0A= > index d8e098f1e5b5..74fb2ec63219 100644=0A= > --- a/drivers/block/null_blk/main.c=0A= > +++ b/drivers/block/null_blk/main.c=0A= > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev)= =0A= > =0A= > rv =3D -ENOMEM;=0A= =0A= Is above initialization needed ?=0A= =0A= > nullb->tag_set->timeout =3D 5 * HZ;=0A= > - nullb->q =3D blk_mq_init_queue_data(nullb->tag_set, nullb);=0A= > - if (IS_ERR(nullb->q))=0A= > - goto out_cleanup_tags;=0A= > - nullb->disk =3D alloc_disk_node(1, nullb->dev->home_node);=0A= > - if (!nullb->disk)=0A= > + nullb->disk =3D blk_mq_alloc_disk(nullb->tag_set, nullb);=0A= > + if (IS_ERR(nullb->disk)) {=0A= > + rv =3D PTR_ERR(nullb->disk);=0A= > goto out_cleanup_disk;=0A= > - nullb->disk->queue =3D nullb->q;=0A= > + }=0A= > + nullb->q =3D nullb->disk->queue;=0A= > } else if (dev->queue_mode =3D=3D NULL_Q_BIO) {=0A= > rv =3D -ENOMEM;=0A= > nullb->disk =3D blk_alloc_disk(nullb->dev->home_node);=0A= =0A= 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 X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28707C47083 for ; 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Thu, 3 Jun 2021 00:10:09 +0000 From: Chaitanya Kulkarni To: Christoph Hellwig CC: Jens Axboe , Justin Sanders , Denis Efremov , Josef Bacik , Tim Waugh , Geoff Levand , Ilya Dryomov , "Md. Haris Iqbal" , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Konrad Rzeszutek Wilk , =?iso-8859-1?Q?Roger_Pau_Monn=E9?= , Mike Snitzer , Maxim Levitsky , Alex Dubov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , "dm-devel@redhat.com" , "linux-block@vger.kernel.org" , "nbd@other.debian.org" , "linuxppc-dev@lists.ozlabs.org" , "ceph-devel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "xen-devel@lists.xenproject.org" , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-s390@vger.kernel.org" Subject: Re: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Topic: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Index: AQHXV3xgq8Qh2KPeAkCUNVGDF6BX9g== Date: Thu, 3 Jun 2021 00:10:09 +0000 Message-ID: References: <20210602065345.355274-1-hch@lst.de> <20210602065345.355274-21-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: lst.de; dkim=none (message not signed) header.d=none;lst.de; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 6/1/21 23:56, Christoph Hellwig wrote: > Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and > request_queue allocation. > > Signed-off-by: Christoph Hellwig > --- > drivers/block/null_blk/main.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c > index d8e098f1e5b5..74fb2ec63219 100644 > --- a/drivers/block/null_blk/main.c > +++ b/drivers/block/null_blk/main.c > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev) > > rv = -ENOMEM; Is above initialization needed ? > nullb->tag_set->timeout = 5 * HZ; > - nullb->q = blk_mq_init_queue_data(nullb->tag_set, nullb); > - if (IS_ERR(nullb->q)) > - goto out_cleanup_tags; > - nullb->disk = alloc_disk_node(1, nullb->dev->home_node); > - if (!nullb->disk) > + nullb->disk = blk_mq_alloc_disk(nullb->tag_set, nullb); 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Thu, 3 Jun 2021 00:10:09 +0000 From: Chaitanya Kulkarni To: Christoph Hellwig Thread-Topic: [PATCH 20/30] nullb: use blk_mq_alloc_disk Thread-Index: AQHXV3xgq8Qh2KPeAkCUNVGDF6BX9g== Date: Thu, 3 Jun 2021 00:10:09 +0000 Message-ID: References: <20210602065345.355274-1-hch@lst.de> <20210602065345.355274-21-hch@lst.de> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [199.255.45.62] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 410c689a-bed7-4693-4767-08d92623f325 x-ms-traffictypediagnostic: BYAPR04MB3861: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:431 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0 x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 1530ATUB011697 X-loop: dm-devel@redhat.com Cc: Justin Sanders , Vignesh Raghavendra , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , "virtualization@lists.linux-foundation.org" , "dm-devel@redhat.com" , Denis, Miquel Raynal , Jack Wang , Tim Waugh , "linux-s390@vger.kernel.org" , Maxim Levitsky , Richard, Weinberger , Borntraeger , "xen-devel@lists.xenproject.org" , Ilya Dryomov , Vasily Gorbik , Christian, Alex Dubov , Konrad Rzeszutek Wilk , Carstens , Josef Bacik , Efremov , "nbd@other.debian.org" , "linux-block@vger.kernel.org" , "linux-mtd@lists.infradead.org" , Heiko, "ceph-devel@vger.kernel.org" , Jens Axboe , Geoff Levand , "linux-mmc@vger.kernel.org" , "Md. Haris Iqbal" , "linuxppc-dev@lists.ozlabs.org" , =?iso-8859-1?Q?Roger_Pau_Monn=E9?= Subject: Re: [dm-devel] [PATCH 20/30] nullb: use blk_mq_alloc_disk X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 6/1/21 23:56, Christoph Hellwig wrote: > Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and > request_queue allocation. > > Signed-off-by: Christoph Hellwig > --- > drivers/block/null_blk/main.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c > index d8e098f1e5b5..74fb2ec63219 100644 > --- a/drivers/block/null_blk/main.c > +++ b/drivers/block/null_blk/main.c > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev) > > rv = -ENOMEM; Is above initialization needed ? > nullb->tag_set->timeout = 5 * HZ; > - nullb->q = blk_mq_init_queue_data(nullb->tag_set, nullb); > - if (IS_ERR(nullb->q)) > - goto out_cleanup_tags; > - nullb->disk = alloc_disk_node(1, nullb->dev->home_node); > - if (!nullb->disk) > + nullb->disk = blk_mq_alloc_disk(nullb->tag_set, nullb); > + if (IS_ERR(nullb->disk)) { > + rv = PTR_ERR(nullb->disk); > goto out_cleanup_disk; > - nullb->disk->queue = nullb->q; > + } > + nullb->q = nullb->disk->queue; > } else if (dev->queue_mode == NULL_Q_BIO) { > rv = -ENOMEM; > nullb->disk = blk_alloc_disk(nullb->dev->home_node); -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel