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Tue, 3 Nov 2020 23:37:20 +0000 From: Damien Le Moal To: "gregkh@linuxfoundation.org" , "axboe@kernel.dk" CC: "stable@vger.kernel.org" Subject: Re: FAILED: patch "[PATCH] null_blk: Fix zone reset all tracing" failed to apply to 5.9-stable tree Thread-Topic: FAILED: patch "[PATCH] null_blk: Fix zone reset all tracing" failed to apply to 5.9-stable tree Thread-Index: AQHWsezm7sY3moroREuF64NpAdGRHw== Date: Tue, 3 Nov 2020 23:37:19 +0000 Message-ID: References: <16044134474538@kroah.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: linuxfoundation.org; dkim=none (message not signed) header.d=none;linuxfoundation.org; dmarc=none action=none header.from=wdc.com; x-originating-ip: [2400:2411:43c0:6000:830:5e48:69b5:9288] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 83e52de3-516a-430d-c45d-08d880516820 x-ms-traffictypediagnostic: BL0PR04MB5092: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:8273; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BL0PR04MB6514.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 83e52de3-516a-430d-c45d-08d880516820 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Nov 2020 23:37:19.7214 (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: y5pWvULcsiXL3fYXvlnRqHtm8TM4qWTG4MYfhDvyBaBITYbAAMD2GHd9emfcv7uE6uiAXe2Z2MuLNfjEUc1E/A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR04MB5092 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 2020/11/03 23:23, gregkh@linuxfoundation.org wrote:=0A= > =0A= > The patch below does not apply to the 5.9-stable tree.=0A= > If someone wants it applied there, or to any other stable or longterm=0A= > tree, then please email the backport, including the original git commit= =0A= > id to .=0A= =0A= I will send a backported patch shortly. Thanks.=0A= =0A= > =0A= > thanks,=0A= > =0A= > greg k-h=0A= > =0A= > ------------------ original commit in Linus's tree ------------------=0A= > =0A= > From f9c9104288da543cd64f186f9e2fba389f415630 Mon Sep 17 00:00:00 2001=0A= > From: Damien Le Moal =0A= > Date: Thu, 29 Oct 2020 20:04:59 +0900=0A= > Subject: [PATCH] null_blk: Fix zone reset all tracing=0A= > =0A= > In the cae of the REQ_OP_ZONE_RESET_ALL operation, the command sector is= =0A= > ignored and the operation is applied to all sequential zones. For these= =0A= > commands, tracing the effect of the command using the command sector to= =0A= > determine the target zone is thus incorrect.=0A= > =0A= > Fix null_zone_mgmt() zone condition tracing in the case of=0A= > REQ_OP_ZONE_RESET_ALL to apply tracing to all sequential zones that are= =0A= > not already empty.=0A= > =0A= > Fixes: 766c3297d7e1 ("null_blk: add trace in null_blk_zoned.c")=0A= > Signed-off-by: Damien Le Moal =0A= > Cc: stable@vger.kernel.org=0A= > Signed-off-by: Jens Axboe =0A= > =0A= > diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zone= d.c=0A= > index 98056c88926b..b637b16a5f54 100644=0A= > --- a/drivers/block/null_blk_zoned.c=0A= > +++ b/drivers/block/null_blk_zoned.c=0A= > @@ -475,9 +475,14 @@ static blk_status_t null_zone_mgmt(struct nullb_cmd = *cmd, enum req_opf op,=0A= > =0A= > switch (op) {=0A= > case REQ_OP_ZONE_RESET_ALL:=0A= > - for (i =3D dev->zone_nr_conv; i < dev->nr_zones; i++)=0A= > - null_reset_zone(dev, &dev->zones[i]);=0A= > - break;=0A= > + for (i =3D dev->zone_nr_conv; i < dev->nr_zones; i++) {=0A= > + zone =3D &dev->zones[i];=0A= > + if (zone->cond !=3D BLK_ZONE_COND_EMPTY) {=0A= > + null_reset_zone(dev, zone);=0A= > + trace_nullb_zone_op(cmd, i, zone->cond);=0A= > + }=0A= > + }=0A= > + return BLK_STS_OK;=0A= > case REQ_OP_ZONE_RESET:=0A= > ret =3D null_reset_zone(dev, zone);=0A= > break;=0A= > =0A= > =0A= =0A= =0A= -- =0A= Damien Le Moal=0A= Western Digital Research=0A=