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Don't set the connection-back-channel flag for DS sessions.

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The NFSv4.1/pNFS client does not use/need a backchannel for the Data Server (DS)
sessions, so the flag should only be set for MetaData Server (MDS) sessions.
This patch should have been a part of r317275.

MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2017-04-23 21:36:32 +00:00
parent 247cea8f9c
commit b845c29a03
1 changed files with 1 additions and 1 deletions
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2
sys/fs/nfsclient/nfs_clrpcops.c
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@ -4613,7 +4613,7 @@ nfsrpc_createsession(struct nfsmount *nmp, struct nfsclsession *sep,
*tl++ = sep->nfsess_clientid.lval[1];
*tl++ = txdr_unsigned(sequenceid);
crflags = (NFSMNT_RDONLY(nmp->nm_mountp) ? 0 : NFSV4CRSESS_PERSIST);
if (nfscl_enablecallb != 0 && nfs_numnfscbd > 0)
if (nfscl_enablecallb != 0 && nfs_numnfscbd > 0 && mds != 0)
crflags |= NFSV4CRSESS_CONNBACKCHAN;
*tl = txdr_unsigned(crflags);