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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-05-16 01:26:10 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-03-18 05:19:33 +0100 |
| commit | 0b81d0779072696371822e5ed9e7c6292e547024 (patch) | |
| tree | c75412a642ee596fd33a392f0f353c4c1185f7f5 /fs/f2fs/Kconfig | |
| parent | f2fs: mutex can't be used by down_write_nest_lock() (diff) | |
| download | linux-0b81d0779072696371822e5ed9e7c6292e547024.tar.xz linux-0b81d0779072696371822e5ed9e7c6292e547024.zip | |
fs crypto: move per-file encryption from f2fs tree to fs/crypto
This patch adds the renamed functions moved from the f2fs crypto files.
1. definitions for per-file encryption used by ext4 and f2fs.
2. crypto.c for encrypt/decrypt functions
a. IO preparation:
- fscrypt_get_ctx / fscrypt_release_ctx
b. before IOs:
- fscrypt_encrypt_page
- fscrypt_decrypt_page
- fscrypt_zeroout_range
c. after IOs:
- fscrypt_decrypt_bio_pages
- fscrypt_pullback_bio_page
- fscrypt_restore_control_page
3. policy.c supporting context management.
a. For ioctls:
- fscrypt_process_policy
- fscrypt_get_policy
b. For context permission
- fscrypt_has_permitted_context
- fscrypt_inherit_context
4. keyinfo.c to handle permissions
- fscrypt_get_encryption_info
- fscrypt_free_encryption_info
5. fname.c to support filename encryption
a. general wrapper functions
- fscrypt_fname_disk_to_usr
- fscrypt_fname_usr_to_disk
- fscrypt_setup_filename
- fscrypt_free_filename
b. specific filename handling functions
- fscrypt_fname_alloc_buffer
- fscrypt_fname_free_buffer
6. Makefile and Kconfig
Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Ildar Muslukhov <ildarm@google.com>
Signed-off-by: Uday Savagaonkar <savagaon@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/Kconfig')
| -rw-r--r-- | fs/f2fs/Kconfig | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig index b0a9dc929f88..402792bae503 100644 --- a/fs/f2fs/Kconfig +++ b/fs/f2fs/Kconfig @@ -76,15 +76,7 @@ config F2FS_FS_ENCRYPTION bool "F2FS Encryption" depends on F2FS_FS depends on F2FS_FS_XATTR - select CRYPTO_AES - select CRYPTO_CBC - select CRYPTO_ECB - select CRYPTO_XTS - select CRYPTO_CTS - select CRYPTO_CTR - select CRYPTO_SHA256 - select KEYS - select ENCRYPTED_KEYS + select FS_ENCRYPTION help Enable encryption of f2fs files and directories. This feature is similar to ecryptfs, but it is more memory |