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=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_1 autolearn=unavailable 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 DF092FC6194 for ; Thu, 7 Nov 2019 01:44:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB67321848 for ; Thu, 7 Nov 2019 01:44:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="cVgenG4v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732075AbfKGBop (ORCPT ); Wed, 6 Nov 2019 20:44:45 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:38518 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732064AbfKGBop (ORCPT ); Wed, 6 Nov 2019 20:44:45 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA71iQwD165492; Thu, 7 Nov 2019 01:44:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2019-08-05; bh=cn3zXXUmFy7Cq1yV6SlWOhU6ypKw5aRvkQdQRCJrNA8=; b=cVgenG4vrO3Qek66gbPNIxj/jnAJPSV4YSh0gepnHx9pBtFJQhfleqMjXysxLngDxX8u bRCOmYIJ9GS02/Gp2U8wlZHcHlBFAwKNjvyVLV7IjgkWJYAH0OlivRcWaGaNGufxMd9k Dxz+v1RI/JfK7/c0hWZ8faDvGMizLdR0LPcJwVzml+fO95MlpKkawi+7V+IwiqrFvTMQ bUKRaSzOJJn65qyxQEoZvwj7CAJyfaLkZ6pxO+VG/g2DNP6r6EKMDNVPADqQDu3oJdPJ Z2SRSCg2/4a8+3KGqOJLUdRgSsCPgoSVe6ftbbkzaxhQP/vLVxGjQwEKYhtLgbMRSzUP kA== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 2w41w0trny-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Nov 2019 01:44:26 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA71ctDO146722; Thu, 7 Nov 2019 01:44:26 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 2w41wfw4hn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Nov 2019 01:44:26 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xA71iMee018191; Thu, 7 Nov 2019 01:44:23 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 06 Nov 2019 17:44:22 -0800 Date: Wed, 6 Nov 2019 17:44:20 -0800 From: "Darrick J. Wong" To: Eric Biggers Cc: linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-api@vger.kernel.org, David Howells , "Theodore Ts'o" , Jaegeuk Kim , Victor Hsieh Subject: Re: [PATCH 1/4] statx: define STATX_ATTR_VERITY Message-ID: <20191107014420.GD15212@magnolia> References: <20191029204141.145309-1-ebiggers@kernel.org> <20191029204141.145309-2-ebiggers@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191029204141.145309-2-ebiggers@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911070016 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911070017 Sender: linux-fscrypt-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org On Tue, Oct 29, 2019 at 01:41:38PM -0700, Eric Biggers wrote: > From: Eric Biggers > > Add a statx attribute bit STATX_ATTR_VERITY which will be set if the > file has fs-verity enabled. This is the statx() equivalent of > FS_VERITY_FL which is returned by FS_IOC_GETFLAGS. > > This is useful because it allows applications to check whether a file is > a verity file without opening it. Opening a verity file can be > expensive because the fsverity_info is set up on open, which involves > parsing metadata and optionally verifying a cryptographic signature. > > This is analogous to how various other bits are exposed through both > FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit. > > Signed-off-by: Eric Biggers > --- > include/linux/stat.h | 3 ++- > include/uapi/linux/stat.h | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/include/linux/stat.h b/include/linux/stat.h > index 765573dc17d659..528c4baad09146 100644 > --- a/include/linux/stat.h > +++ b/include/linux/stat.h > @@ -33,7 +33,8 @@ struct kstat { > STATX_ATTR_IMMUTABLE | \ > STATX_ATTR_APPEND | \ > STATX_ATTR_NODUMP | \ > - STATX_ATTR_ENCRYPTED \ > + STATX_ATTR_ENCRYPTED | \ > + STATX_ATTR_VERITY \ > )/* Attrs corresponding to FS_*_FL flags */ > u64 ino; > dev_t dev; > diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h > index 7b35e98d3c58b1..ad80a5c885d598 100644 > --- a/include/uapi/linux/stat.h > +++ b/include/uapi/linux/stat.h > @@ -167,8 +167,8 @@ struct statx { > #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ > #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ > #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ > - > #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ > +#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ Any reason why this wasn't 0x2000? If there's a manpage update that goes with this, then... Acked-by: Darrick J. Wong --D > > > #endif /* _UAPI_LINUX_STAT_H */ > -- > 2.24.0.rc1.363.gb1bccd3e3d-goog > From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: [PATCH 1/4] statx: define STATX_ATTR_VERITY Date: Wed, 6 Nov 2019 17:44:20 -0800 Message-ID: <20191107014420.GD15212@magnolia> References: <20191029204141.145309-1-ebiggers@kernel.org> <20191029204141.145309-2-ebiggers@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20191029204141.145309-2-ebiggers@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Eric Biggers Cc: Theodore Ts'o , linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, David Howells , linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org, Victor Hsieh List-Id: linux-api@vger.kernel.org On Tue, Oct 29, 2019 at 01:41:38PM -0700, Eric Biggers wrote: > From: Eric Biggers > > Add a statx attribute bit STATX_ATTR_VERITY which will be set if the > file has fs-verity enabled. This is the statx() equivalent of > FS_VERITY_FL which is returned by FS_IOC_GETFLAGS. > > This is useful because it allows applications to check whether a file is > a verity file without opening it. Opening a verity file can be > expensive because the fsverity_info is set up on open, which involves > parsing metadata and optionally verifying a cryptographic signature. > > This is analogous to how various other bits are exposed through both > FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit. > > Signed-off-by: Eric Biggers > --- > include/linux/stat.h | 3 ++- > include/uapi/linux/stat.h | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/include/linux/stat.h b/include/linux/stat.h > index 765573dc17d659..528c4baad09146 100644 > --- a/include/linux/stat.h > +++ b/include/linux/stat.h > @@ -33,7 +33,8 @@ struct kstat { > STATX_ATTR_IMMUTABLE | \ > STATX_ATTR_APPEND | \ > STATX_ATTR_NODUMP | \ > - STATX_ATTR_ENCRYPTED \ > + STATX_ATTR_ENCRYPTED | \ > + STATX_ATTR_VERITY \ > )/* Attrs corresponding to FS_*_FL flags */ > u64 ino; > dev_t dev; > diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h > index 7b35e98d3c58b1..ad80a5c885d598 100644 > --- a/include/uapi/linux/stat.h > +++ b/include/uapi/linux/stat.h > @@ -167,8 +167,8 @@ struct statx { > #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ > #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ > #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ > - > #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ > +#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ Any reason why this wasn't 0x2000? If there's a manpage update that goes with this, then... Acked-by: Darrick J. Wong --D > > > #endif /* _UAPI_LINUX_STAT_H */ > -- > 2.24.0.rc1.363.gb1bccd3e3d-goog > 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=-8.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 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 4C13AFC6194 for ; Thu, 7 Nov 2019 01:44:40 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (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 0E9F721848; Thu, 7 Nov 2019 01:44:39 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Thu, 07 Nov 2019 01:44:26 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA71ctDO146722; Thu, 7 Nov 2019 01:44:26 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 2w41wfw4hn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Nov 2019 01:44:26 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xA71iMee018191; Thu, 7 Nov 2019 01:44:23 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 06 Nov 2019 17:44:22 -0800 Date: Wed, 6 Nov 2019 17:44:20 -0800 From: "Darrick J. Wong" To: Eric Biggers Message-ID: <20191107014420.GD15212@magnolia> References: <20191029204141.145309-1-ebiggers@kernel.org> <20191029204141.145309-2-ebiggers@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191029204141.145309-2-ebiggers@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911070016 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911070017 X-Headers-End: 1iSWqj-0032Jw-8C Subject: Re: [f2fs-dev] [PATCH 1/4] statx: define STATX_ATTR_VERITY X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Theodore Ts'o , linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, David Howells , linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org, Victor Hsieh Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Tue, Oct 29, 2019 at 01:41:38PM -0700, Eric Biggers wrote: > From: Eric Biggers > > Add a statx attribute bit STATX_ATTR_VERITY which will be set if the > file has fs-verity enabled. This is the statx() equivalent of > FS_VERITY_FL which is returned by FS_IOC_GETFLAGS. > > This is useful because it allows applications to check whether a file is > a verity file without opening it. Opening a verity file can be > expensive because the fsverity_info is set up on open, which involves > parsing metadata and optionally verifying a cryptographic signature. > > This is analogous to how various other bits are exposed through both > FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit. > > Signed-off-by: Eric Biggers > --- > include/linux/stat.h | 3 ++- > include/uapi/linux/stat.h | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/include/linux/stat.h b/include/linux/stat.h > index 765573dc17d659..528c4baad09146 100644 > --- a/include/linux/stat.h > +++ b/include/linux/stat.h > @@ -33,7 +33,8 @@ struct kstat { > STATX_ATTR_IMMUTABLE | \ > STATX_ATTR_APPEND | \ > STATX_ATTR_NODUMP | \ > - STATX_ATTR_ENCRYPTED \ > + STATX_ATTR_ENCRYPTED | \ > + STATX_ATTR_VERITY \ > )/* Attrs corresponding to FS_*_FL flags */ > u64 ino; > dev_t dev; > diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h > index 7b35e98d3c58b1..ad80a5c885d598 100644 > --- a/include/uapi/linux/stat.h > +++ b/include/uapi/linux/stat.h > @@ -167,8 +167,8 @@ struct statx { > #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ > #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ > #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ > - > #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ > +#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ Any reason why this wasn't 0x2000? If there's a manpage update that goes with this, then... Acked-by: Darrick J. Wong --D > > > #endif /* _UAPI_LINUX_STAT_H */ > -- > 2.24.0.rc1.363.gb1bccd3e3d-goog > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel