From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49314 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725883AbfEFLd5 (ORCPT ); Mon, 6 May 2019 07:33:57 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x46BWiBV025895 for ; Mon, 6 May 2019 07:33:56 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2sah6tqgy1-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 06 May 2019 07:33:56 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 May 2019 12:33:53 +0100 From: Chandan Rajendra Subject: Re: [PATCH 13/13] ext4: encrypt only up to last block in ext4_bio_write_page() Date: Mon, 06 May 2019 14:42:14 +0530 In-Reply-To: <20190501224515.43059-14-ebiggers@kernel.org> References: <20190501224515.43059-1-ebiggers@kernel.org> <20190501224515.43059-14-ebiggers@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Message-Id: <5247310.83GBoLVoWW@dhcp-9-109-212-164> Sender: linux-fscrypt-owner@vger.kernel.org To: Eric Biggers Cc: linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org List-ID: On Thursday, May 2, 2019 4:15:15 AM IST Eric Biggers wrote: > From: Eric Biggers > > As an optimization, don't encrypt blocks fully beyond i_size, since > those definitely won't need to be written out. Also add a comment. > > This is in preparation for allowing encryption on ext4 filesystems with > blocksize != PAGE_SIZE. > > This is based on work by Chandan Rajendra. > Looks good to me, Reviewed-by: Chandan Rajendra -- chandan From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandan Rajendra Subject: Re: [PATCH 13/13] ext4: encrypt only up to last block in ext4_bio_write_page() Date: Mon, 06 May 2019 14:42:14 +0530 Message-ID: <5247310.83GBoLVoWW@dhcp-9-109-212-164> References: <20190501224515.43059-1-ebiggers@kernel.org> <20190501224515.43059-14-ebiggers@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1hNbsh-0003O4-Sg for linux-f2fs-devel@lists.sourceforge.net; Mon, 06 May 2019 11:34:03 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hNbsf-00ATnp-S2 for linux-f2fs-devel@lists.sourceforge.net; Mon, 06 May 2019 11:34:03 +0000 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x46BXI1U167351 for ; Mon, 6 May 2019 07:33:55 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0b-001b2d01.pphosted.com with ESMTP id 2sahndnuh2-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 06 May 2019 07:33:54 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 May 2019 12:33:53 +0100 In-Reply-To: <20190501224515.43059-14-ebiggers@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Eric Biggers Cc: linux-fsdevel@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mtd@lists.infradead.org, linux-f2fs-devel@lists.sourceforge.net On Thursday, May 2, 2019 4:15:15 AM IST Eric Biggers wrote: > From: Eric Biggers > > As an optimization, don't encrypt blocks fully beyond i_size, since > those definitely won't need to be written out. Also add a comment. > > This is in preparation for allowing encryption on ext4 filesystems with > blocksize != PAGE_SIZE. > > This is based on work by Chandan Rajendra. > Looks good to me, Reviewed-by: Chandan Rajendra -- chandan 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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH autolearn=ham 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 DB95AC04A6B for ; Mon, 6 May 2019 11:34:20 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A94422087F for ; Mon, 6 May 2019 11:34:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hWIFHTzj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A94422087F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Message-Id:MIME-Version:References: In-Reply-To:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6jbzOaXB+Lyt0yoo0/v9/dYUqAdUeEN7cW+E+KUltLQ=; b=hWIFHTzj0aZMgJ jwk/EkK79kNGKY0P/fkRRoKIFVb/wgdHaLLtZe4arlEr1/Oi+9NSKMOdILpEnxDO7cz1i4WKM72M8 K8+sNNtC8dNAIWHVMof8YVyMn3/cZUweCFBjgV5B8J2qj1htEuhzuiITZayWBS+lt8Isvkbg/r8GH 4v1Q6ysFDBRpPFk7c1p2vPKLR9B1lHzsMVthy3FPfPl1IpTKq7FFcJwvWYYsi4TR8ksf5FBh61s6e ieyAZ7gOdewI6nh8+Gv3CSDCKux80OTFn3IqykVJ78nRDikIyxGkX7GMvChe6oAguK+KQL273QvJW FDRmdgzxc+giDKjw7ovA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNbsw-00019r-CP; Mon, 06 May 2019 11:34:18 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNbsm-0000vP-FL for linux-mtd@lists.infradead.org; Mon, 06 May 2019 11:34:12 +0000 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x46BY0HU033529 for ; Mon, 6 May 2019 07:34:07 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2sajyt2sfv-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 06 May 2019 07:34:02 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 6 May 2019 12:33:49 +0100 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x46BXmdi54722814 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 May 2019 11:33:48 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 22630AE058; Mon, 6 May 2019 11:33:48 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C3A36AE045; Mon, 6 May 2019 11:33:46 +0000 (GMT) Received: from localhost.localdomain (unknown [9.85.70.42]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 6 May 2019 11:33:46 +0000 (GMT) From: Chandan Rajendra To: Eric Biggers Subject: Re: [PATCH 13/13] ext4: encrypt only up to last block in ext4_bio_write_page() Date: Mon, 06 May 2019 14:42:14 +0530 Organization: IBM In-Reply-To: <20190501224515.43059-14-ebiggers@kernel.org> References: <20190501224515.43059-1-ebiggers@kernel.org> <20190501224515.43059-14-ebiggers@kernel.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19050611-4275-0000-0000-00000331DF5D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19050611-4276-0000-0000-00003841461E Message-Id: <5247310.83GBoLVoWW@dhcp-9-109-212-164> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-05-06_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=784 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905060102 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190506_043409_062178_09D71146 X-CRM114-Status: GOOD ( 20.23 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fsdevel@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mtd@lists.infradead.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Thursday, May 2, 2019 4:15:15 AM IST Eric Biggers wrote: > From: Eric Biggers > > As an optimization, don't encrypt blocks fully beyond i_size, since > those definitely won't need to be written out. Also add a comment. > > This is in preparation for allowing encryption on ext4 filesystems with > blocksize != PAGE_SIZE. > > This is based on work by Chandan Rajendra. > Looks good to me, Reviewed-by: Chandan Rajendra -- chandan ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/