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[v5,03/25] NFSv4.1: Don't check delegations that are already marked as revoked

Message ID 1474089213-104014-4-git-send-email-trond.myklebust@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Trond Myklebust Sept. 17, 2016, 5:13 a.m. UTC 
If the delegation has been marked as revoked, we don't have to test
it, because we should already have called FREE_STATEID on it.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---
 fs/nfs/nfs4proc.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6b700c59eede..a026156434ae 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2423,6 +2423,11 @@  static void nfs41_check_delegation_stateid(struct nfs4_state *state)
 		rcu_read_unlock();
 		return;
 	}
+	if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) {
+		rcu_read_unlock();
+		nfs_finish_clear_delegation_stateid(state);
+		return;
+	}
 
 	nfs4_stateid_copy(&stateid, &delegation->stateid);
 	cred = get_rpccred(delegation->cred);