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nvmf: Handle shutdowns more gracefully
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Authored by jhb on Jun 2 2024, 7:52 PM.
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Details

Summary

If an association is disconnected during a clean shutdown, abort all
pending and future I/O requests with an error to avoid hangs either due
to filesystem unmounts or a stuck GEOM event.

If an association is connected during a clean shutdown, gracefully
disconnect from the remote controller and close the open queues.

Sponsored by: Chelsio Communications

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rG FreeBSD src repository
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