modules/kvs: Replace EPERM w/ ENOTRECOVERABLE #1242
Merged
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Previously EPERM was generally used as the errno to signify that
the state without the KVS was inconsistent/illogical (e.g. a
dirref points to a val object). To remove confusion that a
potential security issue is in play, change the errno from EPERM
to ENOTRECOVERABLE.
Update unit tests appropriately.
Fixes #1228