Revision 19e217815d36a99263056949339c374a62584e74 authored by anand76 on 23 January 2020, 21:59:48 UTC, committed by anand76 on 24 January 2020, 18:08:01 UTC
Summary:
When there is a write stall, the active write group leader calls ```BeginWriteStall()``` to walk the queue of writers and remove any with the ```no_slowdown``` option set. There was a bug in the code which updated the back pointer but not the forward pointer (```link_newer```), corrupting the list and causing some threads to wait forever. This PR fixes it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6322

Test Plan: Add a unit test in db_write_test

Differential Revision: D19538313

Pulled By: anand1976

fbshipit-source-id: 6fbed819e594913f435886606f5d36f74f235c3a
1 parent 1fab610
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