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ext4 crypto: add encryption key management facilities

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Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Ildar Muslukhov <muslukhovi@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Michael Halcrow
2015-04-12 00:55:06 -04:00
committed by Theodore Ts'o
parent b30ab0e034
commit 88bd6ccdcd
4 changed files with 179 additions and 1 deletions
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13
fs/ext4/ext4.h
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@@ -2078,6 +2078,19 @@ static inline int ext4_sb_has_crypto(struct super_block *sb)
}
#endif
/* crypto_key.c */
int ext4_generate_encryption_key(struct inode *inode);
#ifdef CONFIG_EXT4_FS_ENCRYPTION
int ext4_has_encryption_key(struct inode *inode);
#else
static inline int ext4_has_encryption_key(struct inode *inode)
{
return 0;
}
#endif
/* dir.c */
extern int __ext4_check_dir_entry(const char *, unsigned int, struct inode *,
struct file *,