In now dm-crypt code, it is ineffective to map one segment (always one
sector) of one bio with just only one scatterlist at one time for hardware
crypto engine. Especially for some encryption mode (like ecb or xts mode)
cooperating with the crypto engine, they just need one initial IV or null
IV
In now dm-crypt code, it is ineffective to map one segment (always one
sector) of one bio with just only one scatterlist at one time for hardware
crypto engine. Especially for some encryption mode (like ecb or xts mode)
cooperating with the crypto engine, they just need one initial IV or null
IV
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