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Chris LuandGitHub
afcc491517
test(mount): fix fd leak that deadlocked the DLM handoff check The cross-mount handoff checks held a file open on mount 2 via fd 9 to keep the distributed lock, then started the SMB writer in a background subshell. The subshell inherited fd 9, so the SMB writer kept the file open and waited on a lock held by its own descriptor; the put could never complete, and the two checks were parked as expected-fail. Close fd 9 in the subshell (9>&-) so the writer does not hold the file. The waiter now acquires the freed lock within ~1s, so the two checks are real assertions and the xfail machinery is gone.