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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A515BC43219 for ; Sat, 16 Apr 2022 02:29:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B64526B0072; Fri, 15 Apr 2022 22:29:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AC41F6B0073; Fri, 15 Apr 2022 22:29:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 93CE46B0074; Fri, 15 Apr 2022 22:29:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0157.hostedemail.com [216.40.44.157]) by kanga.kvack.org (Postfix) with ESMTP id 83CA96B0072 for ; Fri, 15 Apr 2022 22:29:05 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 2AEF1A7298 for ; Sat, 16 Apr 2022 02:29:05 +0000 (UTC) X-FDA: 79361159850.30.FC31A84 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf13.hostedemail.com (Postfix) with ESMTP id AD2F720008 for ; Sat, 16 Apr 2022 02:29:04 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2FF20B82E4A; Sat, 16 Apr 2022 02:29:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49BEAC385A9; Sat, 16 Apr 2022 02:28:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650076142; bh=64fC476XAzTfqTSPn+hnDLb+pMKn+pGg/cu9T2ZYoeo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=YR2swQd5bHjAFWTiUHuzi2CBAoBviVOC618ZH6KrZjKGz54+nb14CQuuZA/rg7rT4 HOUGUM1/um4+uLyDQbz+2PZe7eFGngBlsNfmtF55BEnpI8SeGgAW1TB9RPEF0hZ/gu wadS+mRuD6cvw4fVgc6pYN09yVoj6blhm7pLMwx6SJQPqerB95uO3eDsfGVZkI1tAT ypjbfbxn7+bT/FWjnusepnTR0gEoGRsC/NgAvlwAmFKhGsjLJGRbec9W3gsrNwS1xO /N5W0GD6Xr6BMAFslHSxbnYfv+w/HrqJWAmw3dvOKrGV8WDuaNAVrqQjvW1ASku3np CHDdJgFxl65YQ== Message-ID: Date: Sat, 16 Apr 2022 10:28:49 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [f2fs-dev] [PATCH 26/27] block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD Content-Language: en-US To: Christoph Hellwig , Jens Axboe 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, David Sterba , Jaegeuk Kim , ceph-devel@vger.kernel.org, Coly Li , Ryusuke Konishi , 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 References: <20220415045258.199825-1-hch@lst.de> <20220415045258.199825-27-hch@lst.de> From: Chao Yu In-Reply-To: <20220415045258.199825-27-hch@lst.de> Content-Type: text/plain; charset=UTF-8; format=flowed X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: AD2F720008 X-Stat-Signature: nwuy7ji6opfnzuqra4sxeskqo8kjnqm8 Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=YR2swQd5; spf=pass (imf13.hostedemail.com: domain of chao@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=chao@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-HE-Tag: 1650076144-465639 Content-Transfer-Encoding: quoted-printable 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: On 2022/4/15 12:52, Christoph Hellwig wrote: > Secure erase is a very different operation from discard in that it is > a data integrity operation vs hint. Fully split the limits and helper > infrastructure to make the separation more clear. >=20 > Signed-off-by: Christoph Hellwig > Reviewed-by: Martin K. Petersen > Acked-by: Christoph B=C3=B6hmwalder = [drbd] > Acked-by: Ryusuke Konishi [nifs2] > Acked-by: Jaegeuk Kim [f2fs] > Acked-by: Coly Li [bcache] > Acked-by: David Sterba [btrfs] For f2fs part, Acked-by: Chao Yu Thanks,