[pnfs] [PATCH] create back cannel if MDS

[Marc Eshel]

From: Marc Eshel <eshel at almaden.ibm.com>


---

 fs/nfsd/nfs4state.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 5180810..b7e7560 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1414,7 +1414,8 @@ int nfsd4_create_session(struct svc_rqst
 		session->flags &= ~SESSION4_PERSIST;
 		session->flags &= ~SESSION4_RDMA;
 		
-		if (unconf->cl_exchange_flags & EXCHGID4_FLAG_USE_PNFS_DS)
+		if (!unconf->cl_exchange_flags & EXCHGID4_FLAG_USE_PNFS_MDS &&
+			unconf->cl_exchange_flags & EXCHGID4_FLAG_USE_PNFS_DS)
 			session->flags &= ~SESSION4_BACK_CHAN;
 
 		if (session->flags & SESSION4_BACK_CHAN) {