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| author | Michael Halcrow <mhalcrow@google.com> | 2015-04-12 08:09:05 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-04-12 08:09:05 +0300 |
| commit | 4461471107b79bee16c497c9f7f69fa26126ae5b (patch) | |
| tree | 08945642d3fe6af854b6bbb459a8670416ef62d0 /fs/ext4/ialloc.c | |
| parent | 1f3862b5575b138e83080232706e37ee24b8093e (diff) | |
| download | linux-4461471107b79bee16c497c9f7f69fa26126ae5b.tar.xz | |
ext4 crypto: enable filename encryption
Signed-off-by: Uday Savagaonkar <savagaon@google.com>
Signed-off-by: Ildar Muslukhov <ildarm@google.com>
Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 247737efd725..850267c89407 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1033,11 +1033,28 @@ 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) |