From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FE7D1840 for ; Mon, 11 Apr 2022 12:10:18 +0000 (UTC) Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 23B9NnvU025178; Mon, 11 Apr 2022 12:03:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=gYNUMVwDP13qlMS4+UHaJJ3PaCFPgROQJTYtqXnOX7M=; b=RDqgcHKph8Jm2BhrynHRzlAqx8nGWKQVGDEreK7n+J6njlw2fY/eROIb0LG1Go0keNpO U7B7ao4FH0/uzQKEPYrHVhNG/pJ2E7Z6UBEEa2SxZlUdVDQJZ6TEFr72vPR9TSXOEBKG MqlChSHpWchCsB0wZHoGw70dgQSIwe1Dr/3iyUd7QHcinyuGvNuFdGbEFCrbqw9Rsc9z JkcowV5iFVIqo42z4/eOag4ZGEVEYQqZe/457g+H8egdMxH/HXBM9/jRkB0BPaAeZihE GFX1OIArRJYPFHkICDQZB90KgaeOXTtU3/g2gqArNZA/NmuhAbDjv3WPLEAFQ6zGE6gp Sw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3fchnqtx4t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Apr 2022 12:03:59 +0000 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 23BAmtcM013717; Mon, 11 Apr 2022 12:03:58 GMT Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 3fchnqtx39-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Apr 2022 12:03:58 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 23BC3gZm003276; Mon, 11 Apr 2022 12:03:54 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma04ams.nl.ibm.com with ESMTP id 3fb1s8u242-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Apr 2022 12:03:54 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 23BC40Q146596476 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Apr 2022 12:04:01 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1327BA4065; Mon, 11 Apr 2022 12:03:52 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C9DE7A404D; Mon, 11 Apr 2022 12:03:50 +0000 (GMT) Received: from [9.145.81.78] (unknown [9.145.81.78]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 11 Apr 2022 12:03:50 +0000 (GMT) Message-ID: Date: Mon, 11 Apr 2022 14:03:50 +0200 Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD Content-Language: en-US To: Christoph Hellwig , Jens Axboe Cc: dm-devel@redhat.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-um@lists.infradead.org, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org, "Martin K . Petersen" , =?UTF-8?Q?Christoph_B=c3=b6hmwalder?= , Coly Li References: <20220409045043.23593-1-hch@lst.de> <20220409045043.23593-25-hch@lst.de> From: =?UTF-8?Q?Jan_H=c3=b6ppner?= In-Reply-To: <20220409045043.23593-25-hch@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: fq1U6p5RSJi3IUi0XnNkXpRDl0Ogb6A0 X-Proofpoint-ORIG-GUID: D9QlKI8GujOSuLx30db3fYGBx6ksQFZ5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-11_04,2022-04-11_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 clxscore=1011 mlxlogscore=999 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204110067 On 09/04/2022 06:50, Christoph Hellwig wrote: > Just use a non-zero max_discard_sectors as an indicator for discard > support, similar to what is done for write zeroes. > > The only places where needs special attention is the RAID5 driver, > which must clear discard support for security reasons by default, > even if the default stacking rules would allow for it. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Martin K. Petersen > Acked-by: Christoph Böhmwalder [btrfs] > Acked-by: Coly Li [bcache] > --- For > drivers/s390/block/dasd_fba.c | 1 - Acked-by: Jan Höppner 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5617FC433F5 for ; Mon, 11 Apr 2022 12:04:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Petersen" , =?UTF-8?Q?Christoph_B=c3=b6hmwalder?= , Coly Li References: <20220409045043.23593-1-hch@lst.de> <20220409045043.23593-25-hch@lst.de> From: =?UTF-8?Q?Jan_H=c3=b6ppner?= In-Reply-To: <20220409045043.23593-25-hch@lst.de> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: fq1U6p5RSJi3IUi0XnNkXpRDl0Ogb6A0 X-Proofpoint-ORIG-GUID: D9QlKI8GujOSuLx30db3fYGBx6ksQFZ5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-11_04,2022-04-11_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 clxscore=1011 mlxlogscore=999 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204110067 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220411_050410_264685_C4370C96 X-CRM114-Status: GOOD ( 16.91 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 To: Christoph Hellwig , Jens Axboe References: <20220409045043.23593-1-hch@lst.de> <20220409045043.23593-25-hch@lst.de> From: =?UTF-8?Q?Jan_H=c3=b6ppner?= In-Reply-To: <20220409045043.23593-25-hch@lst.de> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: WIMhdfum114Bd5I8tZm1dZ3P7aW7r0mH X-Proofpoint-ORIG-GUID: D9QlKI8GujOSuLx30db3fYGBx6ksQFZ5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-11_04,2022-04-11_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 clxscore=1011 mlxlogscore=999 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204110067 X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-001b2d01.pphosted.com id 23B9NnvT025178 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; 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 2.84 on 10.11.54.1 X-Mailman-Approved-At: Tue, 12 Apr 2022 07:06:10 +0000 Subject: Re: [dm-devel] [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jfs-discussion@lists.sourceforge.net, linux-nvme@lists.infradead.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, cluster-devel@redhat.com, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, linux-um@lists.infradead.org, nbd@other.debian.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, ceph-devel@vger.kernel.org, Coly Li , linux-raid@vger.kernel.org, "Martin K . Petersen" , linux-mmc@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, =?UTF-8?Q?Christoph_B=c3=b6hmwalder?= , ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org, ntfs3@lists.linux.dev, linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 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="utf-8" Content-Transfer-Encoding: base64 T24gMDkvMDQvMjAyMiAwNjo1MCwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gSnVzdCB1c2Ug YSBub24temVybyBtYXhfZGlzY2FyZF9zZWN0b3JzIGFzIGFuIGluZGljYXRvciBmb3IgZGlzY2Fy ZAo+IHN1cHBvcnQsIHNpbWlsYXIgdG8gd2hhdCBpcyBkb25lIGZvciB3cml0ZSB6ZXJvZXMuCj4g Cj4gVGhlIG9ubHkgcGxhY2VzIHdoZXJlIG5lZWRzIHNwZWNpYWwgYXR0ZW50aW9uIGlzIHRoZSBS QUlENSBkcml2ZXIsCj4gd2hpY2ggbXVzdCBjbGVhciBkaXNjYXJkIHN1cHBvcnQgZm9yIHNlY3Vy aXR5IHJlYXNvbnMgYnkgZGVmYXVsdCwKPiBldmVuIGlmIHRoZSBkZWZhdWx0IHN0YWNraW5nIHJ1 bGVzIHdvdWxkIGFsbG93IGZvciBpdC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RvcGggSGVs bHdpZyA8aGNoQGxzdC5kZT4KPiBSZXZpZXdlZC1ieTogTWFydGluIEsuIFBldGVyc2VuIDxtYXJ0 aW4ucGV0ZXJzZW5Ab3JhY2xlLmNvbT4KPiBBY2tlZC1ieTogQ2hyaXN0b3BoIELDtmhtd2FsZGVy IDxjaHJpc3RvcGguYm9laG13YWxkZXJAbGluYml0LmNvbT4gW2J0cmZzXQo+IEFja2VkLWJ5OiBD b2x5IExpIDxjb2x5bGlAc3VzZS5kZT4gW2JjYWNoZV0KPiAtLS0KCkZvciAKCj4gIGRyaXZlcnMv czM5MC9ibG9jay9kYXNkX2ZiYS5jICAgICAgIHwgIDEgLQoKQWNrZWQtYnk6IEphbiBIw7ZwcG5l ciA8aG9lcHBuZXJAbGludXguaWJtLmNvbT4KCi0tCmRtLWRldmVsIG1haWxpbmcgbGlzdApkbS1k ZXZlbEByZWRoYXQuY29tCmh0dHBzOi8vbGlzdG1hbi5yZWRoYXQuY29tL21haWxtYW4vbGlzdGlu Zm8vZG0tZGV2ZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Höppner Date: Mon, 11 Apr 2022 14:03:50 +0200 Subject: [Cluster-devel] [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD In-Reply-To: <20220409045043.23593-25-hch@lst.de> References: <20220409045043.23593-1-hch@lst.de> <20220409045043.23593-25-hch@lst.de> Message-ID: List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 09/04/2022 06:50, Christoph Hellwig wrote: > Just use a non-zero max_discard_sectors as an indicator for discard > support, similar to what is done for write zeroes. > > The only places where needs special attention is the RAID5 driver, > which must clear discard support for security reasons by default, > even if the default stacking rules would allow for it. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Martin K. Petersen > Acked-by: Christoph B?hmwalder [btrfs] > Acked-by: Coly Li [bcache] > --- For > drivers/s390/block/dasd_fba.c | 1 - Acked-by: Jan H?ppner From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Jan_H=c3=b6ppner?= Subject: Re: [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD Date: Mon, 11 Apr 2022 14:03:50 +0200 Message-ID: References: <20220409045043.23593-1-hch@lst.de> <20220409045043.23593-25-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=b+lqQYxNoSWK5aXIRvVFUdJ/V7zHoNovJusYiqKzgTc=; b=SALFJBRdQw7pIK eo9fdAilH+SKRBeS9VMkbBS0eU1/BMqOnqjJAgNP/bsLNuUTXZYPuJGalFRzqyJ/OUWScap2sfmti YXNaQWkzqx7DgmRS9tOUQEnP+HP+T6BF9AQYPjFiztLHc++Cv/4L0jYaOUU0ZRZ6WuEr89ugBRJVR yvp/XoB1wGRe+6uc963tC7fSu+Li2UEGbjukGLR6B3S9VuiH0B/GSKrownQipqorCd8xtsxiXWRHB X9PTskZ6MIhwLSUIhrXrKqUHFjOzavCd3N898+nYXGbx/RYIMH3Q8SSiaV6lhT2nREembj/APr3If jEKGVPDKC6WDL6b41LRw==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=gYNUMVwDP13qlMS4+UHaJJ3PaCFPgROQJTYtqXnOX7M=; b=RDqgcHKph8Jm2BhrynHRzlAqx8nGWKQVGDEreK7n+J6njlw2fY/eROIb0LG1Go0keNpO U7B7ao4FH0/uzQKEPYrHVhNG/pJ2E7Z6UBEEa2SxZlUdVDQJZ6TEFr72vPR9TSXOEBKG MqlChSHpWchCsB0wZHoGw70dgQSIwe1Dr/3iyUd7QHcinyuGvNuFdGbEFCrbqw9Rsc9z JkcowV5iFVIqo42z4/eOag4ZGEVEYQqZe/457g+H8egdMxH/HXBM9/jRkB0BPaAeZihE GFX1OIArRJYPFHkICDQZB90KgaeOXTtU3/g2gqArNZA/NmuhAbDjv3WPLEAFQ6zGE6gp Sw== Content-Language: en-US In-Reply-To: <20220409045043.23593-25-hch@lst.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+glud-user-mode-linux-devel=m.gmane-mx.org@lists.infradead.org To: Christoph Hellwig , Jens Axboe Cc: dm-devel@redhat.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-um@lists.infradead.org, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org, "Martin K . 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