disk: only use diff for disks without serial number #1330
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What type of PR is this?
/kind cleanup
What this PR does / why we need it:
Eliminate the risk of finding the wrong disk. It may take a while for the disk device to appear after the OpenAPI returns in_use. e.g. when the previous detach is blocked, the attach will also be blocked.
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.: