v1.0.3
[cache_writeback] Retry blocks ignored by vectored io
Make io_uring a feature, switch from --async-io etc, to --io-engine=async
[thin_check] Experiments with io scheduling for thin_check
[all] Apply cargo fmt, and fix clippy lints
[thin_check] Remove unused variables
[sync io engine] Merge ios that have small gaps between them.
[tests] Verify vectored block io on faulty devices