From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- fs/ext4/ialloc.c | 45 ++++++++++++++++++++------------------------- 1 file changed, 20 insertions(+), 25 deletions(-) (limited to 'fs/ext4/ialloc.c') diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 1eaa6cb96..173c1ae21 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); @@ -1034,28 +1042,9 @@ got: ext4_set_inode_state(inode, EXT4_STATE_NEW); ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize; -#ifdef CONFIG_EXT4_FS_ENCRYPTION - if ((sbi->s_file_encryption_mode == EXT4_ENCRYPTION_MODE_INVALID) && - (sbi->s_dir_encryption_mode == EXT4_ENCRYPTION_MODE_INVALID)) { - ei->i_inline_off = 0; - if (EXT4_HAS_INCOMPAT_FEATURE(sb, - EXT4_FEATURE_INCOMPAT_INLINE_DATA)) - ext4_set_inode_state(inode, - EXT4_STATE_MAY_INLINE_DATA); - } else { - /* Inline data and encryption are incompatible - * We turn off inline data since encryption is enabled */ - ei->i_inline_off = 1; - if (EXT4_HAS_INCOMPAT_FEATURE(sb, - EXT4_FEATURE_INCOMPAT_INLINE_DATA)) - ext4_clear_inode_state(inode, - EXT4_STATE_MAY_INLINE_DATA); - } -#else ei->i_inline_off = 0; if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_INLINE_DATA)) ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA); -#endif ret = inode; err = dquot_alloc_inode(inode); if (err) @@ -1082,6 +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); -- cgit v1.2.3