[DO NOT MERGE ME] Possible draft for RFC#1278

[MrCroxx]

What's changed and what's your intention?

Please explain IN DETAIL what the changes are in this PR and why they are needed. :D

Checklist

• I have written the necessary rustdoc comments
• I have added the necessary unit tests and integration tests
• I have passed cargo x (or cargo x --fast instead if the old tests are not modified) in my local environment.

Related issues or PRs (optional)

[codecov]

Codecov Report

❌ Patch coverage is 0% with 718 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
foyer-storage/src/iov2/engine/uring.rs	0.00%	232 Missing ⚠️
foyer-storage/src/iov2/bytes.rs	0.00%	149 Missing ⚠️
foyer-storage/src/iov2/engine/psync.rs	0.00%	110 Missing ⚠️
foyer-storage/src/iov2/device/file.rs	0.00%	87 Missing ⚠️
foyer-storage/src/iov2/device/fs.rs	0.00%	41 Missing ⚠️
foyer-storage/src/iov2/device/utils.rs	0.00%	35 Missing ⚠️
foyer-storage/src/iov2/engine/monitor.rs	0.00%	31 Missing ⚠️
foyer-storage/src/iov2/engine/mod.rs	0.00%	27 Missing ⚠️
foyer-storage/src/iov2/engine/noop.rs	0.00%	6 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (481c3de) and HEAD (03a3d5e). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (481c3de)	HEAD (03a3d5e)
	3	1

Files with missing lines	Coverage Δ
foyer-storage/src/iov2/engine/noop.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/engine/mod.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/engine/monitor.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/device/utils.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/device/fs.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/device/file.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/engine/psync.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/bytes.rs	0.00% <0.00%> (ø)
foyer-storage/src/iov2/engine/uring.rs	0.00% <0.00%> (ø)

... and 54 files with indirect coverage changes

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