[release/6.0-preview6] [FileStream] handle UNC and device paths#54595

Merged

ViktorHofer merged 2 commits intorelease/6.0-preview6from backport/pr-54483-to-release/6.0-preview6

Jun 25, 2021

+106-43

Commits on Jun 23, 2021

handle UNC and device paths

adamsitnik
authored and
github-actions
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stop using NtCreateFile as there is no public and reliable way of mapping DOS to NT paths

adamsitnik
authored and
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