Zhichao Cao 17002365c1 Replace Status with IOStatus for block fetcher IO function (#8130)
Summary:
To propagate the IOStatus from file reads to RocksDB read logic, some of the existing status needs to be replaced by IOStatus.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8130

Test Plan: make check

Reviewed By: anand1976

Differential Revision: D27440188

Pulled By: zhichao-cao

fbshipit-source-id: bbe7622c2106fe4e46871d60f7c26944e5030d78
2021-04-01 10:07:55 -07:00
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