[f2fs] Add support for zx:stream

This CL makes f2fs use fs::StreamFileConnection
for file operations, and the legacy methods for
fs::RemoteFileConnection are kept for f2fs-unittest
and f2fs-slow-unittest. When f2fs runs with zx::stream
, it doesn't use the inline data feature which allows
file inode blocks to have small data since this way
requires maintaining separate VMOs for the same inline
data in node and file vnodes.

Fixed: 118771, 119890, 121233

Change-Id: Ifa24d0b40d6bcc5a491fee2ac9b2d968b7ea6ac5
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/796643
Commit-Queue: Seokhwan Kim <sukka.kim@samsung.com>
Reviewed-by: Chris Drouillard <cdrllrd@google.com>
36 files changed
tree: 7ec6e6281b80d192647104f63b3af2dff9ccfeb0
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. products/
  7. scripts/
  8. sdk/
  9. src/
  10. third_party/
  11. tools/
  12. zircon/
  13. .clang-format
  14. .clang-tidy
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitattributes
  18. .gitignore
  19. .gitmodules
  20. .gn
  21. .style.yapf
  22. analysis_options.yaml
  23. AUTHORS
  24. BUILD.gn
  25. CODE_OF_CONDUCT.md
  26. CONTRIBUTING.md
  27. fuchsia.code-workspace
  28. LICENSE
  29. OWNERS
  30. PATENTS
  31. pyrightconfig.json
  32. README.md
  33. rustfmt.toml
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