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 X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 938E3C35666 for ; Fri, 21 Feb 2020 21:34:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A8D1206EF for ; Fri, 21 Feb 2020 21:34:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VlwOaUB0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726787AbgBUVeF (ORCPT ); Fri, 21 Feb 2020 16:34:05 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:40410 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726683AbgBUVeF (ORCPT ); Fri, 21 Feb 2020 16:34:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582320844; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=AE85XWtWsi6tOM06pCMH0Q1Jbd3MvrBhMiJghYd0Kfk=; b=VlwOaUB0mfJElujizLYhorhyxbxXPdOeGMQmKBKxBkj/RkwAuYE8lcHPq5JC7FWsvdSCN6 gKiI7dBYgDh4PF0MD1FLUHe/aVQFUhfbr7mUgO/X7gijrg/JCgwTXBZJtflWTx6sjzocYZ c2bMR59OWT369oPn4SW+ZjuY2AqM4us= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-485-1XR95YiTMcuW5tTVBdDbzw-1; Fri, 21 Feb 2020 16:33:59 -0500 X-MC-Unique: 1XR95YiTMcuW5tTVBdDbzw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 75EFB8018A9; Fri, 21 Feb 2020 21:33:58 +0000 (UTC) Received: from segfault.boston.devel.redhat.com (segfault.boston.devel.redhat.com [10.19.60.26]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D83279053D; Fri, 21 Feb 2020 21:33:52 +0000 (UTC) From: Jeff Moyer To: Dan Williams Cc: Vivek Goyal , linux-fsdevel , linux-nvdimm , Christoph Hellwig , device-mapper development Subject: Re: [PATCH v5 2/8] drivers/pmem: Allow pmem_clear_poison() to accept arbitrary offset and len References: <20200218214841.10076-1-vgoyal@redhat.com> <20200218214841.10076-3-vgoyal@redhat.com> <20200220215707.GC10816@redhat.com> <20200221201759.GF25974@redhat.com> <20200221212449.GG25974@redhat.com> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 Date: Fri, 21 Feb 2020 16:33:52 -0500 In-Reply-To: (Dan Williams's message of "Fri, 21 Feb 2020 13:30:56 -0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Dan Williams writes: > Oh you misunderstood my comment, the "move badblocks to filesystem" > proposal is long term / down the road thing to consider. In the near > term this unaligned block zeroing facility is an improvement. I'm not sure I agree. I'm going to think about it and get back to you. -Jeff