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ioctl(BLKGETSIZE) expects unsigned long
(8 bytes on 64 bit environment).

This is fixing fails in android.os.storage.StorageManagerIntegrationTest
(in FrameworkCoreTests).

To verify, install FrameworksCoreTests.apk and do:

adb shell am instrument -r -w -e class android.os.storage.\
StorageManagerIntegrationTest#testMountSingleEncryptedObb \
com.android.frameworks.coretests/android.test.InstrumentationTestRunner

Change-Id: Ib6d5c7490c02521c93f107c35ad0aac49f6a3f1a

ASECs formatted as ext4 can now be resized using vdc asec resize.
Refactored some common code.
Requires resize2fs.

Change-Id: Ie78bb6015114a7bc4af42b16d1f299322ffc1e2a
Signed-off-by: Daniel Rosenberg <drosen@google.com>

Now forward locked applications will be in ASEC containers both internal
to the system and externally.

This change adds support for putting applications in ext4-based ASECs.

Change-Id: I8d6765b72dd2606e429c067b47a2dbcaa8bef37d

  - Fix issue where container-names > 64 bytes were getting truncated in the
    kernel. lo_name is only 64 bytes in length, so we now hash the container
    id via md5
  - Add 'dump' command to dump loop and devicemapper status
  - Add 'debug' command to enable more detailed logging at runtime
  - Log vold IPC arguments (minus encryption keys)
  - Fix premature return from Loop::lookupActive() and friends

Change-Id: I0e833261a445ce9dc1a8187e5501d27daba1ca76
Signed-off-by: San Mehat <san@google.com>

Signed-off-by: San Mehat <san@google.com>

- Supports up to 4096 containers
- Keys are now implemented - specifying a key of 'none' means no encryption.
  Otherwise, the key must be a string of 32 characters
Signed-off-by: San Mehat <san@google.com>

Signed-off-by: San Mehat <san@google.com>

Signed-off-by: San Mehat <san@google.com>

Signed-off-by: San Mehat <san@google.com>

  Let there be light.
Signed-off-by: San Mehat <san@android.com>