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Commit 9a200d07 authored by Richard Weinberger's avatar Richard Weinberger Committed by Theodore Ts'o
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ext4: require encryption feature for EXT4_IOC_SET_ENCRYPTION_POLICY



...otherwise an user can enable encryption for certain files even
when the filesystem is unable to support it.
Such a case would be a filesystem created by mkfs.ext4's default
settings, 1KiB block size. Ext4 supports encyption only when block size
is equal to PAGE_SIZE.
But this constraint is only checked when the encryption feature flag
is set.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 55be3145
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