While more filesystems are getting support for fscrypt, it is useful to be able to disable fscrypt for a selection of filesystems, while enabling it for others. The new USE_FS_ENCRYPTION define gets picked up in include/linux/fscrypt.h. This allows filesystems to choose to use the empty function definitions, or the functional ones when fscrypt is to be used with the filesystem. Using USE_FS_ENCRYPTION is a relatively clean approach, and requires minimal changes to the filesystems supporting fscrypt. This RFC is mostly for checking the acceptance of this solution, or if an other direction is preferred. --- Niels de Vos (4): fscrypt: introduce USE_FS_ENCRYPTION fs: make fscrypt support an ext4 config option fs: make fscrypt support a f2fs config option fs: make fscrypt support a UBIFS config option Documentation/filesystems/fscrypt.rst | 2 +- fs/crypto/Kconfig | 3 +++ fs/crypto/fscrypt_private.h | 2 ++ fs/ext4/Kconfig | 13 ++++++++++++- fs/ext4/Makefile | 2 +- fs/ext4/ext4.h | 12 ++++++++---- fs/ext4/inode.c | 6 +++--- fs/ext4/namei.c | 6 +++--- fs/ext4/super.c | 6 +++--- fs/ext4/sysfs.c | 8 ++++---- fs/f2fs/Kconfig | 15 +++++++++++++-- fs/f2fs/data.c | 2 +- fs/f2fs/dir.c | 6 +++--- fs/f2fs/f2fs.h | 8 ++++++-- fs/f2fs/super.c | 6 +++--- fs/f2fs/sysfs.c | 8 ++++---- fs/ubifs/Kconfig | 14 ++++++++++++-- fs/ubifs/Makefile | 2 +- fs/ubifs/sb.c | 4 ++-- fs/ubifs/ubifs.h | 7 +++++-- include/linux/fscrypt.h | 6 +++--- 21 files changed, 93 insertions(+), 45 deletions(-) -- 2.37.3
