tree 5f357ebf6fd6cb99c05cd99da4191db2a7ef2c44
parent aed31461dd9ae6ee0a25200f38f7870df43ceafa
author Sean Klein <smklein@google.com> 1546577144 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1547662685 +0000

[ramdisk][C++] (3/4) Utilize Ddktl and classes.

- Adds Ddktl usage to Ramdisk driver, simplifying callback invocations
- Wraps |block_op_t| usage in Transaction class, capable of storing
arbitrary C++ data.

Test: /boot/test/sys/ramdisk-test

Change-Id: I8f6e6fa735ce0563412cd5582a2fc78effd84649