diff options
| author | Eric Biggers <ebiggers@google.com> | 2016-10-12 23:24:51 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-28 03:01:35 -0400 |
| commit | 80dbd616eccee0d52ac77d2a2fbd59145a32e2d7 (patch) | |
| tree | 0b4137fe799ad3dab99a42207d267bf61d1074eb /include/linux/kernel.h | |
| parent | aef07c9db2fb6d4a7d9e0e5ee587c04c411c6369 (diff) | |
ext4: do not advertise encryption support when disabled
commit c4704a4fbe834eee4109ca064131d440941f6235 upstream.
The sysfs file /sys/fs/ext4/features/encryption was present on kernels
compiled with CONFIG_EXT4_FS_ENCRYPTION=n. This was misleading because
such kernels do not actually support ext4 encryption. Therefore, only
provide this file on kernels compiled with CONFIG_EXT4_FS_ENCRYPTION=y.
Note: since the ext4 feature files are all hardcoded to have a contents
of "supported", it really is the presence or absence of the file that is
significant, not the contents (and this change reflects that).
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/kernel.h')
0 files changed, 0 insertions, 0 deletions