diff options
| -rw-r--r-- | fs/ext4/ext4.h | 9 | ||||
| -rw-r--r-- | fs/ext4/ialloc.c | 26 | ||||
| -rw-r--r-- | fs/ext4/namei.c | 29 |
3 files changed, 30 insertions, 34 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 7435ff2c3efb..bd8d32d5214d 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2149,6 +2149,11 @@ static inline int ext4_get_encryption_info(struct inode *inode) return 0; } +static inline struct ext4_crypt_info *ext4_encryption_info(struct inode *inode) +{ + return EXT4_I(inode)->i_crypt_info; +} + #else static inline int ext4_has_encryption_key(struct inode *inode) { @@ -2158,6 +2163,10 @@ static inline int ext4_get_encryption_info(struct inode *inode) { return 0; } +static inline struct ext4_crypt_info *ext4_encryption_info(struct inode *inode) +{ + return NULL; +} #endif diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index ddca1697ad86..173c1ae21395 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -726,11 +726,25 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir, ext4_group_t i; ext4_group_t flex_group; struct ext4_group_info *grp; + int encrypt = 0; /* Cannot create files in a deleted directory */ if (!dir || !dir->i_nlink) return ERR_PTR(-EPERM); + if ((ext4_encrypted_inode(dir) || + DUMMY_ENCRYPTION_ENABLED(EXT4_SB(dir->i_sb))) && + (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) { + err = ext4_get_encryption_info(dir); + if (err) + return ERR_PTR(err); + if (ext4_encryption_info(dir) == NULL) + return ERR_PTR(-EPERM); + if (!handle) + nblocks += EXT4_DATA_TRANS_BLOCKS(dir->i_sb); + encrypt = 1; + } + sb = dir->i_sb; ngroups = ext4_get_groups_count(sb); trace_ext4_request_inode(dir, mode); @@ -996,12 +1010,6 @@ got: ei->i_block_group = group; ei->i_last_alloc_group = ~0; - /* If the directory encrypted, then we should encrypt the inode. */ - if ((S_ISDIR(mode) || S_ISREG(mode) || S_ISLNK(mode)) && - (ext4_encrypted_inode(dir) || - DUMMY_ENCRYPTION_ENABLED(sbi))) - ext4_set_inode_flag(inode, EXT4_INODE_ENCRYPT); - ext4_set_inode_flags(inode); if (IS_DIRSYNC(inode)) ext4_handle_sync(handle); @@ -1063,6 +1071,12 @@ got: ei->i_datasync_tid = handle->h_transaction->t_tid; } + if (encrypt) { + err = ext4_inherit_context(dir, inode); + if (err) + goto fail_free_drop; + } + err = ext4_mark_inode_dirty(handle, inode); if (err) { ext4_std_error(sb, err); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 6ab50f80964f..1e7d65d7e6d7 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2437,20 +2437,7 @@ retry: inode->i_op = &ext4_file_inode_operations; inode->i_fop = &ext4_file_operations; ext4_set_aops(inode); - err = 0; -#ifdef CONFIG_EXT4_FS_ENCRYPTION - if (!err && (ext4_encrypted_inode(dir) || - DUMMY_ENCRYPTION_ENABLED(EXT4_SB(dir->i_sb)))) { - err = ext4_inherit_context(dir, inode); - if (err) { - clear_nlink(inode); - unlock_new_inode(inode); - iput(inode); - } - } -#endif - if (!err) - err = ext4_add_nondir(handle, dentry, inode); + err = ext4_add_nondir(handle, dentry, inode); if (!err && IS_DIRSYNC(dir)) ext4_handle_sync(handle); } @@ -2631,14 +2618,6 @@ retry: err = ext4_init_new_dir(handle, dir, inode); if (err) goto out_clear_inode; -#ifdef CONFIG_EXT4_FS_ENCRYPTION - if (ext4_encrypted_inode(dir) || - DUMMY_ENCRYPTION_ENABLED(EXT4_SB(dir->i_sb))) { - err = ext4_inherit_context(dir, inode); - if (err) - goto out_clear_inode; - } -#endif err = ext4_mark_inode_dirty(handle, inode); if (!err) err = ext4_add_entry(handle, dentry, inode); @@ -3106,12 +3085,6 @@ static int ext4_symlink(struct inode *dir, err = -ENOMEM; goto err_drop_inode; } - err = ext4_inherit_context(dir, inode); - if (err) - goto err_drop_inode; - err = ext4_get_encryption_info(inode); - if (err) - goto err_drop_inode; istr.name = (const unsigned char *) symname; istr.len = len; ostr.name = sd->encrypted_path; |