Akanksha Mahajan 7d503e66a9 Return error if Get() fails in Prefetching Filter blocks (#7463)
Summary:
Right now all I/O failures under
PartitionFilterBlock::CacheDependencies() is swallowed. Return error in
case prefetch fails.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7463

Test Plan: make check -j64

Reviewed By: anand1976

Differential Revision: D24008226

Pulled By: akankshamahajan15

fbshipit-source-id: b65d63b2d01465db92500b78de7ad58650ec9b3b
2020-10-02 19:40:43 -07:00
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