This series is an RFC, it outlines how an filesystem, in this case UBIFS, could implement a mount option to disable filesystem operations on encrypted files where no key is present. The desired byproduct is that in this case ->d_revalidate() is not needed anymore and VFS folks are in less fear about the dcache implications. Thanks, //richard [PATCH 1/4] fscrypt: Implement FS_CFLG_OWN_D_OPS [PATCH 2/4] fscrypt: Export fscrypt_d_ops [PATCH 3/4] ubifs: Simplify fscrypt_get_encryption_info() error [PATCH 4/4] ubifs: Implement new mount option, fscrypt_key_required
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