From patchwork Sat Dec 8 06:51:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Rajendra X-Patchwork-Id: 1009732 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43Bg4d66DBz9sB5 for ; Sat, 8 Dec 2018 17:52:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726204AbeLHGwO (ORCPT ); Sat, 8 Dec 2018 01:52:14 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:45748 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726192AbeLHGwO (ORCPT ); Sat, 8 Dec 2018 01:52:14 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wB86mTii014955 for ; Sat, 8 Dec 2018 01:52:13 -0500 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2p87e9k4gk-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sat, 08 Dec 2018 01:52:12 -0500 Received: from localhost by e11.ny.us.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) Sat, 8 Dec 2018 06:52:03 -0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id wB86q1U122479028 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 8 Dec 2018 06:52:01 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BCF99AC059; Sat, 8 Dec 2018 06:52:01 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B53DDAC05E; Sat, 8 Dec 2018 06:51:52 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.85.72.40]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Sat, 8 Dec 2018 06:51:52 +0000 (GMT) From: Chandan Rajendra To: linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-doc@vger.kernel.org, linux-mips@linux-mips.org, linux-s390@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org Cc: Chandan Rajendra , tytso@mit.edu, adilger.kernel@dilger.ca, ebiggers@kernel.org, jaegeuk@kernel.org, yuchao0@huawei.com, corbet@lwn.net, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, green.hu@gmail.com, deanbo422@gmail.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, richard@nod.at, dedekind1@gmail.com, adrian.hunter@intel.com, viro@zeniv.linux.org.uk Subject: [PATCH V3 1/9] ext4: use IS_ENCRYPTED() to check encryption status Date: Sat, 8 Dec 2018 12:21:36 +0530 X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181208065144.19486-1-chandan@linux.vnet.ibm.com> References: <20181208065144.19486-1-chandan@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18120806-2213-0000-0000-00000326D13D X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010192; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000270; SDB=6.01128647; UDB=6.00586333; IPR=6.00908778; MB=3.00024599; MTD=3.00000008; XFM=3.00000015; UTC=2018-12-08 06:52:09 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18120806-2214-0000-0000-00005C871B8B Message-Id: <20181208065144.19486-2-chandan@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-12-08_02:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812080065 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org This commit removes the ext4 specific ext4_encrypted_inode() and makes use of the generic IS_ENCRYPTED() macro to check for the encryption status of an inode. Reviewed-by: Eric Biggers Signed-off-by: Chandan Rajendra --- fs/ext4/dir.c | 8 ++++---- fs/ext4/ext4.h | 5 ----- fs/ext4/ext4_jbd2.h | 2 +- fs/ext4/extents.c | 4 ++-- fs/ext4/ialloc.c | 2 +- fs/ext4/inode.c | 16 +++++++--------- fs/ext4/move_extent.c | 3 +-- fs/ext4/namei.c | 8 ++++---- fs/ext4/page-io.c | 3 +-- fs/ext4/readpage.c | 2 +- 10 files changed, 22 insertions(+), 31 deletions(-) diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index f93f9881ec18..fb7a64ea5679 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -111,7 +111,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) int dir_has_error = 0; struct fscrypt_str fstr = FSTR_INIT(NULL, 0); - if (ext4_encrypted_inode(inode)) { + if (IS_ENCRYPTED(inode)) { err = fscrypt_get_encryption_info(inode); if (err && err != -ENOKEY) return err; @@ -138,7 +138,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) return err; } - if (ext4_encrypted_inode(inode)) { + if (IS_ENCRYPTED(inode)) { err = fscrypt_fname_alloc_buffer(inode, EXT4_NAME_LEN, &fstr); if (err < 0) return err; @@ -245,7 +245,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) offset += ext4_rec_len_from_disk(de->rec_len, sb->s_blocksize); if (le32_to_cpu(de->inode)) { - if (!ext4_encrypted_inode(inode)) { + if (!IS_ENCRYPTED(inode)) { if (!dir_emit(ctx, de->name, de->name_len, le32_to_cpu(de->inode), @@ -613,7 +613,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) static int ext4_dir_open(struct inode * inode, struct file * filp) { - if (ext4_encrypted_inode(inode)) + if (IS_ENCRYPTED(inode)) return fscrypt_get_encryption_info(inode) ? -EACCES : 0; return 0; } diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 80957f9d3cbe..2ae6ab88f218 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2297,11 +2297,6 @@ extern unsigned ext4_free_clusters_after_init(struct super_block *sb, struct ext4_group_desc *gdp); ext4_fsblk_t ext4_inode_to_goal_block(struct inode *); -static inline bool ext4_encrypted_inode(struct inode *inode) -{ - return ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT); -} - static inline bool ext4_verity_inode(struct inode *inode) { #ifdef CONFIG_EXT4_FS_VERITY diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 15b6dd733780..a1ac7e9245ec 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -411,7 +411,7 @@ static inline int ext4_inode_journal_mode(struct inode *inode) (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) && !test_opt(inode->i_sb, DELALLOC))) { /* We do not support data journalling for encrypted data */ - if (S_ISREG(inode->i_mode) && ext4_encrypted_inode(inode)) + if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode)) return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */ return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */ } diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 240b6dea5441..79d986dbf5af 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3631,7 +3631,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, max_zeroout = sbi->s_extent_max_zeroout_kb >> (inode->i_sb->s_blocksize_bits - 10); - if (ext4_encrypted_inode(inode)) + if (IS_ENCRYPTED(inode)) max_zeroout = 0; /* @@ -4818,7 +4818,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) * leave it disabled for encrypted inodes for now. This is a * bug we should fix.... */ - if (ext4_encrypted_inode(inode) && + if (IS_ENCRYPTED(inode) && (mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE | FALLOC_FL_ZERO_RANGE))) return -EOPNOTSUPP; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 2addcb8730e1..3002f110eb4f 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -771,7 +771,7 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir, if (unlikely(ext4_forced_shutdown(sbi))) return ERR_PTR(-EIO); - if ((ext4_encrypted_inode(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) && + if ((IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) && (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) && !(i_flags & EXT4_EA_INODE_FL)) { err = fscrypt_get_encryption_info(dir); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index d7019f5dca6f..0efa30f921b0 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -415,7 +415,7 @@ int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, { int ret; - if (ext4_encrypted_inode(inode)) + if (IS_ENCRYPTED(inode)) return fscrypt_zeroout_range(inode, lblk, pblk, len); ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS); @@ -1217,8 +1217,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, (block_start < from || block_end > to)) { ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++ = bh; - decrypt = ext4_encrypted_inode(inode) && - S_ISREG(inode->i_mode); + decrypt = IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); } } /* @@ -3880,7 +3879,7 @@ static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter) ssize_t ret; #ifdef CONFIG_EXT4_FS_ENCRYPTION - if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)) + if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) return 0; #endif @@ -4067,8 +4066,7 @@ static int __ext4_block_zero_page_range(handle_t *handle, /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) goto unlock; - if (S_ISREG(inode->i_mode) && - ext4_encrypted_inode(inode)) { + if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode)) { /* We expect the key to be set. */ BUG_ON(!fscrypt_has_encryption_key(inode)); BUG_ON(blocksize != PAGE_SIZE); @@ -4144,7 +4142,7 @@ static int ext4_block_truncate_page(handle_t *handle, struct inode *inode = mapping->host; /* If we are processing an encrypted inode during orphan list handling */ - if (ext4_encrypted_inode(inode) && !fscrypt_has_encryption_key(inode)) + if (IS_ENCRYPTED(inode) && !fscrypt_has_encryption_key(inode)) return 0; blocksize = inode->i_sb->s_blocksize; @@ -4724,7 +4722,7 @@ static bool ext4_should_use_dax(struct inode *inode) return false; if (ext4_has_inline_data(inode)) return false; - if (ext4_encrypted_inode(inode)) + if (ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT)) return false; if (ext4_verity_inode(inode)) return false; @@ -5050,7 +5048,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) ret = -EFSCORRUPTED; goto bad_inode; } - if (ext4_encrypted_inode(inode)) { + if (IS_ENCRYPTED(inode)) { inode->i_op = &ext4_encrypted_symlink_inode_operations; ext4_set_aops(inode); } else if (ext4_inode_is_fast_symlink(inode)) { diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 2f5be02fc6f6..1083a9f3f16a 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -592,8 +592,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk, return -EOPNOTSUPP; } - if (ext4_encrypted_inode(orig_inode) || - ext4_encrypted_inode(donor_inode)) { + if (IS_ENCRYPTED(orig_inode) || IS_ENCRYPTED(donor_inode)) { ext4_msg(orig_inode->i_sb, KERN_ERR, "Online defrag not supported for encrypted files"); return -EOPNOTSUPP; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 67a38532032a..0de60207a963 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -620,7 +620,7 @@ static struct stats dx_show_leaf(struct inode *dir, name = de->name; len = de->name_len; - if (ext4_encrypted_inode(dir)) + if (IS_ENCRYPTED(dir)) res = fscrypt_get_encryption_info(dir); if (res) { printk(KERN_WARNING "Error setting up" @@ -985,7 +985,7 @@ static int htree_dirblock_to_tree(struct file *dir_file, EXT4_DIR_REC_LEN(0)); #ifdef CONFIG_EXT4_FS_ENCRYPTION /* Check if the directory is encrypted */ - if (ext4_encrypted_inode(dir)) { + if (IS_ENCRYPTED(dir)) { err = fscrypt_get_encryption_info(dir); if (err < 0) { brelse(bh); @@ -1014,7 +1014,7 @@ static int htree_dirblock_to_tree(struct file *dir_file, continue; if (de->inode == 0) continue; - if (!ext4_encrypted_inode(dir)) { + if (!IS_ENCRYPTED(dir)) { tmp_str.name = de->name; tmp_str.len = de->name_len; err = ext4_htree_store_dirent(dir_file, @@ -1577,7 +1577,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi ino); return ERR_PTR(-EFSCORRUPTED); } - if (!IS_ERR(inode) && ext4_encrypted_inode(dir) && + if (!IS_ERR(inode) && IS_ENCRYPTED(dir) && (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) && !fscrypt_has_permitted_context(dir, inode)) { ext4_warning(inode->i_sb, diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 2aa62d58d8dd..c398b55da854 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -477,8 +477,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, bh = head = page_buffers(page); - if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode) && - nr_to_submit) { + if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode) && nr_to_submit) { gfp_t gfp_flags = GFP_NOFS; retry_encrypt: diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index d3dd1ff745db..45e707fb9749 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -156,7 +156,7 @@ static struct bio_post_read_ctx *get_bio_post_read_ctx(struct inode *inode, unsigned int post_read_steps = 0; struct bio_post_read_ctx *ctx = NULL; - if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)) + if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) post_read_steps |= 1 << STEP_DECRYPT; #ifdef CONFIG_EXT4_FS_VERITY if (inode->i_verity_info != NULL &&