Summary:
The logic that handles io_uring partial results was wrong. Fix the logic by putting it into a queue and continue reading.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6441
Test Plan: Make sure this patch fixes the application test case where the bug was discovered; in env_test, add a unit test that simulates partial results and make sure the results are still correct.
Differential Revision: D20018616
fbshipit-source-id: 5398a7e34d74c26d52aa69dfd604e93e95d99c62
0eab26e482