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Rick Macklem authored
Commit 5e5ca4c8 added a NFSMNTP_DELEGISSUED flag to indicate when a delegation has been issued to the mount. For the common case where an NFSv4 server is not issuing delegations, this flag can be checked to avoid acquisition of the NFSCLSTATEMUTEX. This patch adds checks for NFSMNTP_DELEGISSUED being set to two more functions. This change appears to be performance neutral for a small number of opens, but should reduce lock contention for a large number of opens for the common case where server is not issuing delegations. MFC after: 2 week
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