Ensure that mqfs_node is alive until unlink task completed.The filesystem has significant bugs, as usual related to the vnode
Do not embed task to reclaim the vnode intolifecycle and its interaction with the vnode fs data,mqueue lifecycle. dueFixing it
to severe complications with task cancellation (task needs both vnodewould take a lot of efforts which seems to be futile. E.g., the trivial
lock and mqfs instance sx)immediately panicing issue fixed in f0a4dd6d46e99d47fde1 prevented
mqueuefs mount at all, and was there for quite some time.
PR: 278936