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NFSv4.1: Allow revoked stateids to skip the call to TEST_STATEID

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In some cases (e.g. when the SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED sequence
flag is set) we may already know that the stateid was revoked and that the
only valid operation we can call is FREE_STATEID. In those cases, allow
the stateid to carry the information in the type field, so that we skip
the redundant call to TEST_STATEID.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2016-09-22 13:39:02 -04:00
committed by Anna Schumaker
parent 63d63cbf5e
commit f7a62adad0
2 changed files with 24 additions and 9 deletions
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include/linux/nfs4.h
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@@ -67,6 +67,7 @@ struct nfs4_stateid_struct {
NFS4_DELEGATION_STATEID_TYPE,
NFS4_LAYOUT_STATEID_TYPE,
NFS4_PNFS_DS_STATEID_TYPE,
NFS4_REVOKED_STATEID_TYPE,
} type;
};