[Devel] [PATCH RH9] fuse: pcs: missing timeout at authentication phase

[Alexey Kuznetsov]

It was forgotten at kernel implementation since connect
has been move to kernel. See commit
05e922a2ac26a0a4568c699a4fbc9eb0c3627436, subject:
"fs/fuse kio: implement internal cs connection".

The result are accidental lockups at kernel level.
Plain luck this happens not so frequently. It is necessary
that a CS dies, its port was taken by another service, which
does not respond to garbage messages, and that kernel decided
to connect to CS without reacquiring new map, which is also
rather an exception. Yet we were hit bad after 2 years.

Affects: #VSTOR-62165
https://pmc.acronis.work/browse/VSTOR-62165

Signed-off-by: Alexey Kuznetsov <kuznet at acronis.com
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