From patchwork Tue Jan 11 19:15:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12710435 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1DE6C43219 for ; Tue, 11 Jan 2022 19:17:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243715AbiAKTRh (ORCPT ); Tue, 11 Jan 2022 14:17:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350628AbiAKTRJ (ORCPT ); Tue, 11 Jan 2022 14:17:09 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92CFCC028C3D; Tue, 11 Jan 2022 11:16:33 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3DA68B81D26; Tue, 11 Jan 2022 19:16:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A160AC36AEF; Tue, 11 Jan 2022 19:16:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641928592; bh=6NfoaVkfyx1x+GTF9BZ/buOsIdvyPaIfklhqmXmqJio=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jj3lVqJNvTf/Sqp5WartQ62hP5j8XVDj4G6XS5wkDm8dWpu1mQR5WRub2ZtiUR47y WydQajhWV+TsVr77b1rdf7l0Q1vPshNrdSjyz71OPA+CQdUK2wO9baFwGKqHTfkWZy Swk2A8+B+st7Lrkd70Q3st8wC4LRsUCR9OPKfxf75u6PaSAVPDCTuTgNAjo3aKVvR2 5k93ClfG5NfMgH5/VUtbhVRAVmqbQAZePPpfTib0rL+79woqKUbV9VxudLt8f8X10O 2hpHlZmjhLv1ifgtwGO767OVCgHExDLC3Sq6Si3C99vmO5+ROuzrzCb+zgc4eq2Nh4 fQ3gKVUJtYcOg== From: Jeff Layton To: ceph-devel@vger.kernel.org, linux-fscrypt@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, idryomov@gmail.com Subject: [RFC PATCH v10 30/48] ceph: get file size from fscrypt_file when present in inode traces Date: Tue, 11 Jan 2022 14:15:50 -0500 Message-Id: <20220111191608.88762-31-jlayton@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220111191608.88762-1-jlayton@kernel.org> References: <20220111191608.88762-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org Signed-off-by: Jeff Layton --- fs/ceph/inode.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 4dd84b629850..2497306eef58 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -982,6 +982,16 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, from_kgid(&init_user_ns, inode->i_gid)); ceph_decode_timespec64(&ci->i_btime, &iinfo->btime); ceph_decode_timespec64(&ci->i_snap_btime, &iinfo->snap_btime); + +#ifdef CONFIG_FS_ENCRYPTION + if (iinfo->fscrypt_auth_len && !ci->fscrypt_auth) { + ci->fscrypt_auth_len = iinfo->fscrypt_auth_len; + ci->fscrypt_auth = iinfo->fscrypt_auth; + iinfo->fscrypt_auth = NULL; + iinfo->fscrypt_auth_len = 0; + inode_set_flags(inode, S_ENCRYPTED, S_ENCRYPTED); + } +#endif } if ((new_version || (new_issued & CEPH_CAP_LINK_SHARED)) && @@ -1005,6 +1015,7 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, if (new_version || (new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) { + u64 size = info->size; s64 old_pool = ci->i_layout.pool_id; struct ceph_string *old_ns; @@ -1018,10 +1029,17 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, pool_ns = old_ns; + if (IS_ENCRYPTED(inode) && size && + (iinfo->fscrypt_file_len == sizeof(__le64))) { + size = __le64_to_cpu(*(__le64 *)iinfo->fscrypt_file); + if (info->size != round_up(size, CEPH_FSCRYPT_BLOCK_SIZE)) + pr_warn("size=%llu fscrypt_file=%llu\n", info->size, size); + } + queue_trunc = ceph_fill_file_size(inode, issued, le32_to_cpu(info->truncate_seq), le64_to_cpu(info->truncate_size), - le64_to_cpu(info->size)); + le64_to_cpu(size)); /* only update max_size on auth cap */ if ((info->cap.flags & CEPH_CAP_FLAG_AUTH) && ci->i_max_size != le64_to_cpu(info->max_size)) { @@ -1061,16 +1079,6 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, xattr_blob = NULL; } -#ifdef CONFIG_FS_ENCRYPTION - if (iinfo->fscrypt_auth_len && !ci->fscrypt_auth) { - ci->fscrypt_auth_len = iinfo->fscrypt_auth_len; - ci->fscrypt_auth = iinfo->fscrypt_auth; - iinfo->fscrypt_auth = NULL; - iinfo->fscrypt_auth_len = 0; - inode_set_flags(inode, S_ENCRYPTED, S_ENCRYPTED); - } -#endif - /* finally update i_version */ if (le64_to_cpu(info->version) > ci->i_version) ci->i_version = le64_to_cpu(info->version);