[libdm_rust] Enable writable loopdevice

Add option in loopdevice module to create a block device in writable
mode as well. This is required for unit-testing dm-crypt device.

Also, add test: attach_loop_device_with_dio_writable

Test: atest libdm_rust.test
Test: atest apkdmverity.test
Bug: 250880499
Change-Id: I793ca247ec3cb3258d16a6d9bb25aae31c127ede
2 files changed
tree: 75da434bd8eac67524461f38977cec0984d2e544
  1. .prebuilt_info/
  2. apex/
  3. apkdmverity/
  4. authfs/
  5. avmd/
  6. compos/
  7. demo/
  8. docs/
  9. javalib/
  10. launcher/
  11. libs/
  12. microdroid/
  13. microdroid_manager/
  14. pvmfw/
  15. rialto/
  16. tests/
  17. virtualizationservice/
  18. vm/
  19. vmbase/
  20. vmclient/
  21. zipfuse/
  22. .clang-format
  23. .gitignore
  24. Android.bp
  25. OWNERS
  26. PREUPLOAD.cfg
  27. README.md
  28. TEST_MAPPING
README.md

Virtualization

This repository contains userspace services related to running virtual machines on Android, especially protected virtual machines. See the getting started documentation and Microdroid README for more information.