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-rw-r--r--fs/crypto/policy.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index 46757c3052ef..84fa51604b15 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -61,6 +61,13 @@ fscrypt_get_dummy_policy(struct super_block *sb)
return sb->s_cop->get_dummy_policy(sb);
}
+/*
+ * Return %true if the given combination of encryption modes is supported for v1
+ * (and later) encryption policies.
+ *
+ * Do *not* add anything new here, since v1 encryption policies are deprecated.
+ * New combinations of modes should go in fscrypt_valid_enc_modes_v2() only.
+ */
static bool fscrypt_valid_enc_modes_v1(u32 contents_mode, u32 filenames_mode)
{
if (contents_mode == FSCRYPT_MODE_AES_256_XTS &&