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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 22F6EC07E9B for ; Mon, 12 Jul 2021 08:17:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11E3261607 for ; Mon, 12 Jul 2021 08:17:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357659AbhGLITi (ORCPT ); Mon, 12 Jul 2021 04:19:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:52408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347521AbhGLHfG (ORCPT ); Mon, 12 Jul 2021 03:35:06 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2F9E0611CC; Mon, 12 Jul 2021 07:32:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626075130; bh=e4/5gmvSzvHMHxLEx8a8SL2w90GJfu181bG16Ewgw84=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GedKyNzvGefeF+4bzv9PAR1LNI+IOfqCkRXgh/JeXLtpOgzK0PggcDPUQ+MzzJ9pG mRh9bqoF+NKYn7G4rmc++TRLyRGyI30i2nR+XTDDP/KzDZirmp4Jpz3kiwLi2us88x WuI3tHPm0BouNsZy6nkEKfB4tVSIYvqkDLVgNFMo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Rosenberg , Eric Biggers , Chao Yu , Jaegeuk Kim Subject: [PATCH 5.13 083/800] f2fs: Advertise encrypted casefolding in sysfs Date: Mon, 12 Jul 2021 08:01:46 +0200 Message-Id: <20210712060924.771176014@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Rosenberg commit 4c039d5452691fe80260e4c3dd7b629a095bd0a7 upstream. Older kernels don't support encryption with casefolding. This adds the sysfs entry encrypted_casefold to show support for those combined features. Support for this feature was originally added by commit 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption") Fixes: 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption") Cc: stable@vger.kernel.org # v5.11+ Signed-off-by: Daniel Rosenberg Reviewed-by: Eric Biggers Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/sysfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -562,6 +562,7 @@ enum feat_id { FEAT_CASEFOLD, FEAT_COMPRESSION, FEAT_TEST_DUMMY_ENCRYPTION_V2, + FEAT_ENCRYPTED_CASEFOLD, }; static ssize_t f2fs_feature_show(struct f2fs_attr *a, @@ -583,6 +584,7 @@ static ssize_t f2fs_feature_show(struct case FEAT_CASEFOLD: case FEAT_COMPRESSION: case FEAT_TEST_DUMMY_ENCRYPTION_V2: + case FEAT_ENCRYPTED_CASEFOLD: return sprintf(buf, "supported\n"); } return 0; @@ -687,7 +689,10 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks); #ifdef CONFIG_FS_ENCRYPTION F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO); F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2); +#ifdef CONFIG_UNICODE +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD); #endif +#endif /* CONFIG_FS_ENCRYPTION */ #ifdef CONFIG_BLK_DEV_ZONED F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED); #endif @@ -786,7 +791,10 @@ static struct attribute *f2fs_feat_attrs #ifdef CONFIG_FS_ENCRYPTION ATTR_LIST(encryption), ATTR_LIST(test_dummy_encryption_v2), +#ifdef CONFIG_UNICODE + ATTR_LIST(encrypted_casefold), #endif +#endif /* CONFIG_FS_ENCRYPTION */ #ifdef CONFIG_BLK_DEV_ZONED ATTR_LIST(block_zoned), #endif