The DST key metadata can be written by several threads in parralel.
Protect the dst_key_get* and dst_key_set* functions with a mutex.
(cherry picked from commit 39df3f0475)
The DST key metadata can be written by several threads in parralel.
Protect the dst_key_get* and dst_key_set* functions with a mutex.
(cherry picked from commit 39df3f0475)