On Mon, Aug 07, 2017 at 10:50:13PM -0700, Eric Biggers wrote: > On Tue, Aug 08, 2017 at 09:27:38AM +0800, Dai Xiang wrote: > > > > > > Actually, this is one of the tests in the "encrypt" group, which format the > > > scratch device with "-O encrypt". So I believe the printed message is correct. > > > Are you 100% sure that CONFIG_EXT4_ENCRYPTION is enabled in your kernel config > > > and that you are running the correct kernel? > > > > I use v4.13-rc3 kernerl, and i find this info refer to https://wiki.archlinux.org/index.php/ext4#Using_file-based_encryption: > > > > Ext4 forbids encrypting the root (/) directory and will produce an error on kernel 4.13 and later > > > > Does it impact? > > > > No, the tests do not try to encrypt the root directory. Can you please double > check that the kernel you're testing actually has CONFIG_EXT4_ENCRYPTION > enabled? oh, I see, i miss them, but i have a new question: I have set CONFIG_FS_ENCRYPTION and CONFIG_EXT4_ENCRYPTION both y, but after build the config do not include them, and what make me confused is that there is no failure log about them. Did i miss some dependence kconfigs or conflict kconfigs? > > Eric
