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 6624DC433EF for ; Sat, 16 Apr 2022 02:29:34 +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-Type: Content-Transfer-Encoding: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=mRVLJ7BaCw7TAmeSeogwM94pUOoiJlwtqIAWZzMgaYE=; b=xRuS7RncErdpSf aAR8ni3d8+b/AhrBSaqZSJbEThs6X+BEW15cEuiI2Y4TQCxS+pHY7/f4ZYyKHVdhdnRW9Tvb/cp+c v0rEg872iz4bucFa6GU2JOXEja5KjOCFsd6/2qYjn/Rq9KXMfcWhV9+G+7qM/9Mx/ECmicmCsDwEK 0Rvg3ranrX1V6eo9TqoPeq82wYuoGqCwHy46h4OVljykCWabO5XndSekZAgSL9cnsqlE0rRf60tus Xu77vWrDj9afGIo2NBq07LlGIYqP67f+IO0ql5D/whZCzQcTTJgSbhk9YWLd9ZuuWtUp10k9nUfWI VaIEirQDU+ObKMzKxFYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nfYBV-00C5JL-4J; Sat, 16 Apr 2022 02:29:13 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nfYBN-00C5Ec-Bt; Sat, 16 Apr 2022 02:29:09 +0000 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220415_192905_642171_2AAF379D X-CRM114-Status: UNSURE ( 7.31 ) X-CRM114-Notice: Please train this message. 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gMjAyMi80LzE1IDEyOjUyLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90ZToKPiBTZWN1cmUgZXJh c2UgaXMgYSB2ZXJ5IGRpZmZlcmVudCBvcGVyYXRpb24gZnJvbSBkaXNjYXJkIGluIHRoYXQgaXQg aXMKPiBhIGRhdGEgaW50ZWdyaXR5IG9wZXJhdGlvbiB2cyBoaW50LiAgRnVsbHkgc3BsaXQgdGhl IGxpbWl0cyBhbmQgaGVscGVyCj4gaW5mcmFzdHJ1Y3R1cmUgdG8gbWFrZSB0aGUgc2VwYXJhdGlv biBtb3JlIGNsZWFyLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPgo+IFJldmlld2VkLWJ5OiBNYXJ0aW4gSy4gUGV0ZXJzZW4gPG1hcnRpbi5wZXRlcnNl bkBvcmFjbGUuY29tPgo+IEFja2VkLWJ5OiBDaHJpc3RvcGggQsO2aG13YWxkZXIgPGNocmlzdG9w aC5ib2VobXdhbGRlckBsaW5iaXQuY29tPiBbZHJiZF0KPiBBY2tlZC1ieTogUnl1c3VrZSBLb25p c2hpIDxrb25pc2hpLnJ5dXN1a2VAZ21haWwuY29tPiBbbmlmczJdCj4gQWNrZWQtYnk6IEphZWdl dWsgS2ltIDxqYWVnZXVrQGtlcm5lbC5vcmc+IFtmMmZzXQo+IEFja2VkLWJ5OiBDb2x5IExpIDxj b2x5bGlAc3VzZS5kZT4gW2JjYWNoZV0KPiBBY2tlZC1ieTogRGF2aWQgU3RlcmJhIDxkc3RlcmJh QHN1c2UuY29tPiBbYnRyZnNdCgpGb3IgZjJmcyBwYXJ0LAoKQWNrZWQtYnk6IENoYW8gWXUgPGNo YW9Aa2VybmVsLm9yZz4KClRoYW5rcywKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==