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Under normal operation conditions (e.g. running XFS on an > SMR disk), these errors are nearly impossible to trigger. But using a > "slow" kernel with many debug options enables and some specific use cases > (e.g. fio zbd test case 46), the errors can be reproduced fairly easily. ... > Reported-by: Shin'ichiro Kawasaki > Fixes: b7d4ffb51037 ("block: fix zone write plug removal") > Signed-off-by: Damien Le Moal Thanks for the fix. I applied this patch on top of the v7.1-rc3 kernel and confirmed that the fio zbd test case 46 failure goes away. Tested-by: Shin'ichiro Kawasaki