Hi Ted, On Wed, Jul 20, 2022 at 12:43:54PM -0400, Theodore Ts'o wrote: > Some older kernels support ext4 file systems with encryption enabled, > and with casefold enabled, but not file systems have both encryption > *and* casefolding enabled. On those kernels, generic/556 will fail. > Fortunately, we can test if ext4 supports encrypted casefold via the > presence of /sys/fs/ext4/features/encrypted_casefold. > > Signed-off-by: Theodore Ts'o <tytso@xxxxxxx> Please see my previous comments on this same patch: * https://lore.kernel.org/fstests/YNDOdrW0cEOhC9rZ@xxxxxxxxx * https://lore.kernel.org/fstests/YmGcDdLRlfSwUxmZ@sol.localdomain - Eric