ublk: don't issue uring_cmd from fallback task work#788

blktests-ci[bot] wants to merge 1 commit intolinus-master_baselinux-blktests/linux-block:linus-master_basefrom

series/1088503=>linus-masterlinux-blktests/linux-block:series/1088503=>linus-masterCopy head branch name to clipboard