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Subject[RFC] fscrypt_key_required mount option
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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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