David Gstir 1400451f04 fscrypt: Cleanup fscrypt_{decrypt,encrypt}_page()
- Improve documentation
- Add BUG_ON(len == 0) to avoid accidental switch of offs and len
parameters
- Improve variable names for readability

Signed-off-by: David Gstir <david@sigma-star.at>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-12-11 16:26:12 -05:00
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