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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 307E5EE57E7 for ; Fri, 8 Sep 2023 09:29:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1694165392; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=whUTA0Fz6YosBsOQ3/awIyD6QRDZJrEj9dppDAzP85c=; b=JoMJuTiZ2RcR6jMmtat7DZUjE5EGo2sjxGKAWwVg46UBnAXl4kPcqQt9zXsJJbn36oW0Mj yZF2jTyGxV5oItOP5rxqO5HEzdOIfV9qhMHUvddM7j197pssxHZyG0Axfvjb92399eSYdd LEUiZxeoOq8Yy3kUSYMxQSR4o/XogXg= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-122-8TUk5DqUMiGZYNFJdtGXyQ-1; Fri, 08 Sep 2023 05:29:48 -0400 X-MC-Unique: 8TUk5DqUMiGZYNFJdtGXyQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1BB9F381CC0D; Fri, 8 Sep 2023 09:29:47 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1BEBC03295; Fri, 8 Sep 2023 09:29:45 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 7D2FE194658F; Fri, 8 Sep 2023 09:29:45 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 9E2B2194658C for ; Fri, 8 Sep 2023 09:29:44 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 79E6A2026D2B; Fri, 8 Sep 2023 09:29:44 +0000 (UTC) Received: from [10.43.17.103] (unknown [10.43.17.103]) by smtp.corp.redhat.com (Postfix) with ESMTP id 90AA92026D76; Fri, 8 Sep 2023 09:29:42 +0000 (UTC) Message-ID: <86235d7a-a7ea-49da-968e-c5810cbf4a7b@redhat.com> Date: Fri, 8 Sep 2023 11:29:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Jan Kara , Mikulas Patocka References: <59b54cc3-b98b-aff9-14fc-dc25c61111c6@redhat.com> <20230906-launenhaft-kinder-118ea59706c8@brauner> <20230906-aufheben-hagel-9925501b7822@brauner> <60f244be-803b-fa70-665e-b5cba15212e@redhat.com> <20230906-aufkam-bareinlage-6e7d06d58e90@brauner> <818a3cc0-c17b-22c0-4413-252dfb579cca@redhat.com> <20230907094457.vcvmixi23dk3pzqe@quack3> <20230907-abgrenzen-achtung-b17e9a1ad136@brauner> <513f337e-d254-2454-6197-82df564ed5fc@redhat.com> <20230908073244.wyriwwxahd3im2rw@quack3> From: Zdenek Kabelac In-Reply-To: <20230908073244.wyriwwxahd3im2rw@quack3> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Subject: Re: [dm-devel] [PATCH] fix writing to the filesystem after unmount 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: Christian Brauner , "Darrick J. Wong" , linux-kernel@vger.kernel.org, dm-devel@redhat.com, Alexander Viro , linux-fsdevel@vger.kernel.org, Christoph Hellwig Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US, cs Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" RG5lIDA4LiAwOS4gMjMgdiA5OjMyIEphbiBLYXJhIG5hcHNhbChhKToKPiBPbiBUaHUgMDctMDkt MjMgMTQ6MDQ6NTEsIE1pa3VsYXMgUGF0b2NrYSB3cm90ZToKPj4KPj4gT24gVGh1LCA3IFNlcCAy MDIzLCBDaHJpc3RpYW4gQnJhdW5lciB3cm90ZToKPj4KPj4+PiBJIHRoaW5rIHdlJ3ZlIGdvdCB0 b28gZGVlcCBkb3duIGludG8gImhvdyB0byBmaXggdGhpbmdzIiBidXQgSSdtIG5vdCAxMDAlCj4+ PiBXZSBkaWQuCj4+Pgo+Pj4+IHN1cmUgd2hhdCB0aGUgImJ1ZyIgYWN0dWFsbHkgaXMuIEluIHRo ZSBpbml0aWFsIHBvc3RpbmcgTWlrdWxhcyB3cml0ZXMgInRoZQo+Pj4+IGtlcm5lbCB3cml0ZXMg dG8gdGhlIGZpbGVzeXN0ZW0gYWZ0ZXIgdW5tb3VudCBzdWNjZXNzZnVsbHkgcmV0dXJuZWQiIC0g aXMKPj4+PiB0aGF0IHJlYWxseSBzdWNoIGEgYmlnIGlzc3VlPwo+PiBJIHRoaW5rIGl0J3MgYW4g aXNzdWUgaWYgdGhlIGFkbWluaXN0cmF0b3Igd3JpdGVzIGEgc2NyaXB0IHRoYXQgdW5tb3VudHMg YQo+PiBmaWxlc3lzdGVtIGFuZCB0aGVuIGNvcGllcyB0aGUgdW5kZXJ5bGluZyBibG9jayBkZXZp Y2Ugc29tZXdoZXJlLiBPciBhCj4+IHNjcmlwdCB0aGF0IHVubW91bnRzIGEgZmlsZXN5c3RlbSBh bmQgcnVucyBmc2NrIGFmdGVyd2FyZHMuIE9yIGEgc2NyaXB0Cj4+IHRoYXQgdW5tb3VudHMgYSBm aWxlc3lzdGVtIGFuZCBydW5zIG1rZnMgb24gdGhlIHNhbWUgYmxvY2sgZGV2aWNlLgo+IFdlbGws IGUuZy4gZTJmc3Byb2dzIHVzZSBPX0VYQ0wgb3BlbiBzbyB0aGV5IHdpbGwgZGV0ZWN0IHRoYXQg dGhlIGZpbGVzeXN0ZW0KPiBoYXNuJ3QgYmVlbiB1bm1vdW50ZWQgcHJvcGVybHkgYW5kIGNvbXBs YWluLiBXaGljaCBpcyBleGFjdGx5IHdoYXQgc2hvdWxkCj4gSU1ITyBoYXBwZW4uCj4KPj4+PiBB bnlib2R5IGVsc2UgY2FuIG9wZW4gdGhlIGRldmljZSBhbmQgd3JpdGUgdG8gaXQgYXMgd2VsbC4g T3IgZXZlbgo+Pj4+IG1vdW50IHRoZSBkZXZpY2UgYWdhaW4uIFNvIHVzZXJzcGFjZSB0aGF0IHJl bGllcyBvbiB0aGlzIGlzIGtpbmQgb2YKPj4+PiBmbGFreSBhbnl3YXkgKGFuZCBhbHdheXMgaGFz IGJlZW4pLgo+PiBJdCdzIGFkbWluJ3MgcmVzcG9uc2liaWxpdHkgdG8gbWFrZSBzdXJlIHRoYXQg dGhlIGZpbGVzeXN0ZW0gaXMgbm90Cj4+IG1vdW50ZWQgbXVsdGlwbGUgdGltZXMgd2hlbiBoZSB0 b3VjaGVzIHRoZSB1bmRlcmx5aW5nIGJsb2NrIGRldmljZSBhZnRlcgo+PiB1bm1vdW50Lgo+IFdo YXQgSSB3YW50ZWQgdG8gc3VnZ2VzdCBpcyB0aGF0IHdlIHNob3VsZCBwcm92aWRlIG1lYW5zIGhv dyB0byBtYWtlIHN1cmUKPiBibG9jayBkZXZpY2UgaXMgbm90IGJlaW5nIG1vZGlmaWVkIGFuZCBl ZHVjYXRlIGFkbWlucyBhbmQgdG9vbCBhdXRob3JzCj4gYWJvdXQgdGhlbS4gQmVjYXVzZSBqdXN0 IGRvaW5nICJ1bW91bnQgL2Rldi9zZGExIiBhbmQgdGhpbmtpbmcgdGhpcyBtZWFucwo+IHRoYXQg L2Rldi9zZGExIGlzIHVudXNlZCBub3cgc2ltcGx5IGlzIG5vdCBlbm91Z2ggaW4gdG9kYXkncyB3 b3JsZCBmb3IKPiBtdWx0aXBsZSByZWFzb25zIGFuZCB3ZSBjYW5ub3Qgc29sdmUgaXQganVzdCBp biB0aGUga2VybmVsLgo+CgpIaQoKCi9tZSBqdXN0IHdvbmRlcmluZyBob3cgZG8geW91IHRoZW4g aW1hZ2luZSBpLmUuIHNhZmUgcmVtb3ZhbCBvZiBVU0IgZHJpdmUgd2hlbiAKdXNlciBzaGFsbCBu b3QgZXhwZWN0IHVubW91bnQgcmVhbGx5IHVubW91bnRzIGZpbGVzeXN0ZW0/CgpJTUhPwqAgLSB1 bm1vdW50IHNob3VsZCBkZXRlY3Qgc29tZSB2ZXJ5IHN1c3BpY2lvdXMgc3RhdGUgb2YgYmxvY2sg ZGV2aWNlIGlmIGl0IApjYW5ub3QgY29ycmVjdGx5IHByb2NlZWQgLSBpLmUuIHJlcG9ydGluZyAn d2FybmluZy9lcnJvcicgb24gc3VjaCBjb21tYW5kcy4uLgoKTWFpbiBwcm9ibGVtIGlzIC0gaWYg dGhlICd1bm1vdW50JyBpcyBzdWNjZXNzZnVsIGluIHRoaXMgY2FzZSAtIHRoZSBsYXN0IApjb25u ZWN0aW9uIHVzZXJzcGFjZSBoYWQgdG8gdGhpcyBmaWxleXN0ZW0gaXMgbG9zdCAtIGFuZCB1c2Vy IGNhbm5vdCBnZXQgcmlkIApvZiBzdWNoIGZpbGVzeXN0ZW0gYW55bW9yZSBmb3IgYSBzeXN0ZW0u CgpJJ2QgbGlrZWx5IHByb3Bvc2UgaW4gdGhpcyBwYXJ0aWN1bGFyIHN0YXRlIG9mIHVubW91bnRp bmcgb2YgYSBmcm96ZW4gCmZpbGVzeXN0ZW0gdG8ganVzdCBwcm9jZWVkIC0gYW5kIGRyb3AgdGhl IGZyb3plbiBzdGF0ZSB0b2dldGhlciB3aXRoIHJlbGVhc2UgCmZpbGVzeXN0ZW0gYW5kIG5ldmVy IGlzc3VlIGFueSBpb2N0bCBmcm9tIHN1Y2ggZmlsZWxzeXN0ZW0gdG8gdGhlIGRldmljZSBiZWxv dyAKLSBzbyBpdCB3b3VsZCBub3QgYmUgYSAxMDAlIHZhbGlkIHVubW91bnQgLSBidXQgc2luY2Ug dGhlIGZyZWV6ZSBzaG91bGQgYmUgCm5lYXJseSBlcXVpdmFsZW50IG9mIGhhdmluZyBhIHByb3Bl ciAndW5tb3VudCcgYmVpbmcgZG9uZSAtwqAgaXQgc2hvdWRuJ3QgYmUgCmNhdXNpbmcgYW55IGhh cm0gZWl0aGVyIC0gYW5kwqAgYWxsIHJlc291cmNlcyBhc3NvY2lhdGVkIGNvdWxkwqAgYmUgCidy ZWxlYXNlZC7CoMKgwqAgSU1ITyBpdCdzIGNvcnJlY3QgdG8gJ2Ryb3AnIGZyb3plbiBzdGF0ZSBm b3IgZmlsZXN5c3RlbSB0aGF0IGlzIApub3QgZ29pbmcgdG8gZXhpc3QgYW55bW9yZcKgIChhc3N1 bWluZyBpdCdzIHRoZSBsYXN0wqAgc3VjaCB1c2VyKQoKUmVnYXJkcwoKClpkZW5lawoKCi0tCmRt LWRldmVsIG1haWxpbmcgbGlzdApkbS1kZXZlbEByZWRoYXQuY29tCmh0dHBzOi8vbGlzdG1hbi5y ZWRoYXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0tZGV2ZWwK