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=-10.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 4D1CFC32753 for ; Tue, 13 Aug 2019 00:16:16 +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 199EF206A2 for ; Tue, 13 Aug 2019 00:16:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Uc41c3p7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 199EF206A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mit.edu 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NDJXtiOQlrx7RsUOX9gO3FtB4WSniv4QN5uRW/dLouQ=; b=Uc41c3p7GXnbmh TziDvbRZrQ8+D4Kc+8PuJsUsUesloJQpCmmsigokJFkcXfIC7MecEzEjb0SWsFLeNNZPj6V2Le8c8 vBNJL+7n2d60kvwD5be7h5m9SG++9BxDLnNctRn2x1rYpPDS67nMtmmyx3tkC/FnUnwPRb7etquDW CfQZRsmNy1o95RCdGTXZbQm6Ruxsq+774yK4D2yaM2QE4dPJ/SDYrP4JTGNRbBL8SY/Ltu97T7ns8 d1XeEdiFm3I0Ij4ggPnHZk1PGKnQA3eHNFWrSP8HRp5LbiEfCXk/XOjO6vt4sPzGoAZ+s10ry6fMA dzqX8FjqKRvE2xDOxW5w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxKTs-0004Y3-Kq; Tue, 13 Aug 2019 00:16:04 +0000 Received: from outgoing-auth-1.mit.edu ([18.9.28.11] helo=outgoing.mit.edu) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxKTp-0004Xm-Km for linux-mtd@lists.infradead.org; Tue, 13 Aug 2019 00:16:03 +0000 Received: from callcc.thunk.org (guestnat-104-133-9-109.corp.google.com [104.133.9.109] (may be forged)) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id x7D0FuIa017672 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 12 Aug 2019 20:15:57 -0400 Received: by callcc.thunk.org (Postfix, from userid 15806) id BDC084218EF; Mon, 12 Aug 2019 20:15:55 -0400 (EDT) Date: Mon, 12 Aug 2019 20:15:55 -0400 From: "Theodore Y. Ts'o" To: Eric Biggers Subject: Re: [PATCH v8 15/20] fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS ioctl Message-ID: <20190813001555.GJ28705@mit.edu> References: <20190805162521.90882-1-ebiggers@kernel.org> <20190805162521.90882-16-ebiggers@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190805162521.90882-16-ebiggers@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190812_171601_850821_08E8D2A4 X-CRM114-Status: UNSURE ( 9.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Satya Tangirala , linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fscrypt@vger.kernel.org, keyrings@vger.kernel.org, linux-mtd@lists.infradead.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org, Paul Crowley 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 Mon, Aug 05, 2019 at 09:25:16AM -0700, Eric Biggers wrote: > From: Eric Biggers > > Add a root-only variant of the FS_IOC_REMOVE_ENCRYPTION_KEY ioctl which > removes all users' claims of the key, not just the current user's claim. > I.e., it always removes the key itself, no matter how many users have > added it. > > This is useful for forcing a directory to be locked, without having to > figure out which user ID(s) the key was added under. This is planned to > be used by a command like 'sudo fscrypt lock DIR --all-users' in the > fscrypt userspace tool (http://github.com/google/fscrypt). > > Signed-off-by: Eric Biggers Looks good, thanks. Feel free to add: Reviewed-by: Theodore Ts'o ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/