dm crypt: extract scatterlist processing

dm-crypt: Use crypto ablkcipher interface

Move scatterlists to separate dm_crypt_struct and
pick out block processing from crypt_convert.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
1 file changed