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ext4: use IS_ENCRYPTED() to check encryption status
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 <ebiggers@google.com> Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: Eric Biggers <ebiggers@google.com>
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@ -111,7 +111,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
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int dir_has_error = 0;
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struct fscrypt_str fstr = FSTR_INIT(NULL, 0);
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if (ext4_encrypted_inode(inode)) {
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if (IS_ENCRYPTED(inode)) {
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err = fscrypt_get_encryption_info(inode);
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if (err && err != -ENOKEY)
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return err;
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@ -138,7 +138,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
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return err;
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}
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if (ext4_encrypted_inode(inode)) {
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if (IS_ENCRYPTED(inode)) {
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err = fscrypt_fname_alloc_buffer(inode, EXT4_NAME_LEN, &fstr);
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if (err < 0)
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return err;
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@ -245,7 +245,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
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offset += ext4_rec_len_from_disk(de->rec_len,
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sb->s_blocksize);
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if (le32_to_cpu(de->inode)) {
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if (!ext4_encrypted_inode(inode)) {
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if (!IS_ENCRYPTED(inode)) {
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if (!dir_emit(ctx, de->name,
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de->name_len,
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le32_to_cpu(de->inode),
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@ -613,7 +613,7 @@ finished:
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static int ext4_dir_open(struct inode * inode, struct file * filp)
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{
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if (ext4_encrypted_inode(inode))
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if (IS_ENCRYPTED(inode))
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return fscrypt_get_encryption_info(inode) ? -EACCES : 0;
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return 0;
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}
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@ -2279,11 +2279,6 @@ extern unsigned ext4_free_clusters_after_init(struct super_block *sb,
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struct ext4_group_desc *gdp);
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ext4_fsblk_t ext4_inode_to_goal_block(struct inode *);
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static inline bool ext4_encrypted_inode(struct inode *inode)
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{
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return ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT);
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}
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#ifdef CONFIG_EXT4_FS_ENCRYPTION
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static inline int ext4_fname_setup_filename(struct inode *dir,
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const struct qstr *iname,
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@ -411,7 +411,7 @@ static inline int ext4_inode_journal_mode(struct inode *inode)
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(ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
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!test_opt(inode->i_sb, DELALLOC))) {
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/* We do not support data journalling for encrypted data */
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if (S_ISREG(inode->i_mode) && ext4_encrypted_inode(inode))
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if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode))
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return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */
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return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */
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}
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@ -3631,7 +3631,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
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max_zeroout = sbi->s_extent_max_zeroout_kb >>
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(inode->i_sb->s_blocksize_bits - 10);
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if (ext4_encrypted_inode(inode))
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if (IS_ENCRYPTED(inode))
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max_zeroout = 0;
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/*
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@ -4818,7 +4818,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
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* leave it disabled for encrypted inodes for now. This is a
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* bug we should fix....
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*/
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if (ext4_encrypted_inode(inode) &&
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if (IS_ENCRYPTED(inode) &&
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(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE |
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FALLOC_FL_ZERO_RANGE)))
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return -EOPNOTSUPP;
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@ -771,7 +771,7 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir,
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if (unlikely(ext4_forced_shutdown(sbi)))
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return ERR_PTR(-EIO);
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if ((ext4_encrypted_inode(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) &&
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if ((IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) &&
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(S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) &&
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!(i_flags & EXT4_EA_INODE_FL)) {
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err = fscrypt_get_encryption_info(dir);
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@ -415,7 +415,7 @@ int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk,
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{
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int ret;
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if (ext4_encrypted_inode(inode))
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if (IS_ENCRYPTED(inode))
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return fscrypt_zeroout_range(inode, lblk, pblk, len);
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ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS);
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@ -1217,8 +1217,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
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(block_start < from || block_end > to)) {
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ll_rw_block(REQ_OP_READ, 0, 1, &bh);
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*wait_bh++ = bh;
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decrypt = ext4_encrypted_inode(inode) &&
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S_ISREG(inode->i_mode);
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decrypt = IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
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}
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}
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/*
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@ -3881,7 +3880,7 @@ static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
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ssize_t ret;
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#ifdef CONFIG_EXT4_FS_ENCRYPTION
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if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode))
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if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode))
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return 0;
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#endif
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@ -4065,8 +4064,7 @@ static int __ext4_block_zero_page_range(handle_t *handle,
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/* Uhhuh. Read error. Complain and punt. */
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if (!buffer_uptodate(bh))
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goto unlock;
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if (S_ISREG(inode->i_mode) &&
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ext4_encrypted_inode(inode)) {
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if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode)) {
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/* We expect the key to be set. */
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BUG_ON(!fscrypt_has_encryption_key(inode));
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BUG_ON(blocksize != PAGE_SIZE);
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@ -4142,7 +4140,7 @@ static int ext4_block_truncate_page(handle_t *handle,
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struct inode *inode = mapping->host;
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/* If we are processing an encrypted inode during orphan list handling */
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if (ext4_encrypted_inode(inode) && !fscrypt_has_encryption_key(inode))
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if (IS_ENCRYPTED(inode) && !fscrypt_has_encryption_key(inode))
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return 0;
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blocksize = inode->i_sb->s_blocksize;
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@ -4722,7 +4720,7 @@ static bool ext4_should_use_dax(struct inode *inode)
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return false;
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if (ext4_has_inline_data(inode))
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return false;
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if (ext4_encrypted_inode(inode))
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if (ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT))
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return false;
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return true;
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}
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@ -5072,7 +5070,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
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ret = -EFSCORRUPTED;
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goto bad_inode;
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}
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if (ext4_encrypted_inode(inode)) {
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if (IS_ENCRYPTED(inode)) {
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inode->i_op = &ext4_encrypted_symlink_inode_operations;
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ext4_set_aops(inode);
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} else if (ext4_inode_is_fast_symlink(inode)) {
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@ -592,8 +592,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
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return -EOPNOTSUPP;
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}
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if (ext4_encrypted_inode(orig_inode) ||
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ext4_encrypted_inode(donor_inode)) {
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if (IS_ENCRYPTED(orig_inode) || IS_ENCRYPTED(donor_inode)) {
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ext4_msg(orig_inode->i_sb, KERN_ERR,
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"Online defrag not supported for encrypted files");
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return -EOPNOTSUPP;
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@ -621,7 +621,7 @@ static struct stats dx_show_leaf(struct inode *dir,
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name = de->name;
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len = de->name_len;
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if (ext4_encrypted_inode(dir))
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if (IS_ENCRYPTED(dir))
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res = fscrypt_get_encryption_info(dir);
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if (res) {
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printk(KERN_WARNING "Error setting up"
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@ -986,7 +986,7 @@ static int htree_dirblock_to_tree(struct file *dir_file,
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EXT4_DIR_REC_LEN(0));
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#ifdef CONFIG_EXT4_FS_ENCRYPTION
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/* Check if the directory is encrypted */
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if (ext4_encrypted_inode(dir)) {
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if (IS_ENCRYPTED(dir)) {
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err = fscrypt_get_encryption_info(dir);
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if (err < 0) {
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brelse(bh);
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@ -1015,7 +1015,7 @@ static int htree_dirblock_to_tree(struct file *dir_file,
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continue;
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if (de->inode == 0)
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continue;
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if (!ext4_encrypted_inode(dir)) {
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if (!IS_ENCRYPTED(dir)) {
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tmp_str.name = de->name;
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tmp_str.len = de->name_len;
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err = ext4_htree_store_dirent(dir_file,
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@ -1578,7 +1578,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
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ino);
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return ERR_PTR(-EFSCORRUPTED);
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}
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if (!IS_ERR(inode) && ext4_encrypted_inode(dir) &&
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if (!IS_ERR(inode) && IS_ENCRYPTED(dir) &&
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(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
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!fscrypt_has_permitted_context(dir, inode)) {
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ext4_warning(inode->i_sb,
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@ -477,8 +477,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
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bh = head = page_buffers(page);
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if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode) &&
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nr_to_submit) {
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if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode) && nr_to_submit) {
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gfp_t gfp_flags = GFP_NOFS;
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retry_encrypt:
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@ -242,8 +242,7 @@ int ext4_mpage_readpages(struct address_space *mapping,
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if (bio == NULL) {
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struct fscrypt_ctx *ctx = NULL;
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if (ext4_encrypted_inode(inode) &&
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S_ISREG(inode->i_mode)) {
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if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) {
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ctx = fscrypt_get_ctx(inode, GFP_NOFS);
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if (IS_ERR(ctx))
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goto set_error_page;
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