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fscrypt: add comment for fscrypt_valid_enc_modes_v1() 

Make it clear that nothing new should be added to this function.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20221125192047.18916-1-ebiggers@kernel.org
This commit is contained in:
Eric Biggers 2022-11-25 11:20:47 -08:00
parent 02aef42252
commit aa99799008
1 changed files with 7 additions and 0 deletions
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7
fs/crypto/policy.c
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@ -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 &&