ext4: wire up FS_IOC_GET_ENCRYPTION_NONCE

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This new ioctl retrieves a file's encryption nonce, which is useful for
testing.  See the corresponding fs/crypto/ patch for more details.

Link: https://lore.kernel.org/r/20200314205052.93294-3-ebiggers@kernel.org
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Eric Biggers <ebiggers@google.com>

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Eric Biggers 2020-03-14 13:50:50 -07:00

parent e98ad46475

commit 7ec9f3b47a

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fs/ext4/ioctl.c

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