Huawei's upstream hio driver version 2.1.0.26 introduces two changes
relative to the current Ubuntu version:
#1. bio_endio() shim macro sets bi_error field {{ but note bug in
implementation! }}
#2. blk_queue_split() call inserted ssd_make_request()
James' initial test results indicate that #2 appears to fix the data
corruption. Both fixes should be applied (though #1 needs correction)
after sufficient testing confirmation.
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https://bugs.launchpad.net/bugs/1638700
Title:
hio: SSD data corruption under stress test
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