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ext4 crypto: enable filename encryption

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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>
This commit is contained in:
Michael Halcrow
2015-04-12 01:09:05 -04:00
committed by Theodore Ts'o
parent 1f3862b557
commit 4461471107
2 changed files with 68 additions and 17 deletions
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fs/ext4/ialloc.c
+19 -2
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@@ -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)