iosched: split platform backends, add fdatasync and posix path - #1
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- Split default scheduler selection into default_linux.go / default_other.go - Add fdatasync_linux.go / fdatasync_other.go for cross-platform fdatasync - Extract direct POSIX syscall path into posix.go; expose NewPosixIO() - Refactor BlockingIO to hide scheduler field, add Scheduler() accessor and Close() - Add giouring/flush.go for ring flush support - Consolidate and clean up tests; remove overhead/fanout/regression test files that are now covered by the unified sched_test.go and uring_stub_test.go Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
default_linux.go/default_other.gofdatasync_linux.go/fdatasync_other.gofor cross-platform fdatasync supportposix.go; exposeNewPosixIO()constructorBlockingIOto hide the scheduler field, addScheduler()accessor andClose()giouring/flush.gofor ring flush supportsched_test.goanduring_stub_test.go; remove superseded test filesTest plan
go test ./iosched/...on Linux (io_uring path)go test ./iosched/...on non-Linux (POSIX fallback path)go test ./giouring/...🤖 Generated with Claude Code