nfsd bugfixes for 4.11

Please pull nfsd bugfixes from

git://linux-nfs.org/~bfields/linux.git tags/nfsd-4.11-1

The restriction of NFSv4 to TCP went overboard and also broke the backchannel; fix. Also some minor refinements to the nfsd version-setting interface that we'd like to get fixed before release.

--b.

Chuck Lever (1):
svcrdma: set XPT_CONG_CTRL flag for bc xprt

Kinglong Mee (2):
SUNRPC/backchanel: set XPT_CONG_CTRL flag for bc xprt
nfsd: map the ENOKEY to nfserr_perm for avoiding warning

NeilBrown (3):
NFSD: further refinement of content of /proc/fs/nfsd/versions
NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
NFSD: fix nfsd_reset_versions for NFSv4.

 fs/nfsd/nfsctl.c                         | 43 ++++++++++++++++++++++++--------
 fs/nfsd/nfsproc.c                        |  1 +
 fs/nfsd/nfssvc.c                         | 28 ++++++++++-----------
 net/sunrpc/svcsock.c                     |  1 +
 net/sunrpc/xprtrdma/svc_rdma_transport.c |  1 +
 5 files changed, 49 insertions(+), 25 deletions(-)