diff options
| author | Jaegeuk Kim | 2015-04-22 01:23:47 +0200 |
|---|---|---|
| committer | Jaegeuk Kim | 2015-05-29 00:41:49 +0200 |
| commit | 0adda907f23df2e19355b58a20f0a7ff76587c6a (patch) | |
| tree | 1ab172e639f055eddf80b6e679ba07445625e8c9 /fs/f2fs/f2fs_crypto.h | |
| parent | f2fs crypto: add f2fs encryption facilities (diff) | |
| download | kernel-qcow2-linux-0adda907f23df2e19355b58a20f0a7ff76587c6a.tar.gz kernel-qcow2-linux-0adda907f23df2e19355b58a20f0a7ff76587c6a.tar.xz kernel-qcow2-linux-0adda907f23df2e19355b58a20f0a7ff76587c6a.zip | |
f2fs crypto: add encryption key management facilities
This patch copies from encrypt_key.c in ext4, and modifies for f2fs.
Use GFP_NOFS, since _f2fs_get_encryption_info is called under f2fs_lock_op.
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>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs_crypto.h')
| -rw-r--r-- | fs/f2fs/f2fs_crypto.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs_crypto.h b/fs/f2fs/f2fs_crypto.h index 3323266e7e2b..6e4139493ba5 100644 --- a/fs/f2fs/f2fs_crypto.h +++ b/fs/f2fs/f2fs_crypto.h @@ -65,6 +65,9 @@ struct f2fs_encryption_context { #define F2FS_AES_256_XTS_KEY_SIZE 64 #define F2FS_MAX_KEY_SIZE 64 +#define F2FS_KEY_DESC_PREFIX "f2fs:" +#define F2FS_KEY_DESC_PREFIX_SIZE 5 + struct f2fs_encryption_key { __u32 mode; char raw[F2FS_MAX_KEY_SIZE]; |