Chuck Lever c73df6f73c svcrdma: Select NFSv4.1 backchannel transport based on forward channel ...

commit 3c45ddf823 upstream.

The current code always selects XPRT_TRANSPORT_BC_TCP for the back
channel, even when the forward channel was not TCP (eg, RDMA). When
a 4.1 mount is attempted with RDMA, the server panics in the TCP BC
code when trying to send CB_NULL.

Instead, construct the transport protocol number from the forward
channel transport or'd with XPRT_TRANSPORT_BC. Transports that do
not support bi-directional RPC will not have registered a "BC"
transport, causing create_backchannel_client() to fail immediately.

Fixes: https://bugzilla.linux-nfs.org/show_bug.cgi?id=265
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2014-09-05 16:28:37 -07:00

..

addr.h

sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h

2013-02-05 09:41:14 -05:00

auth_gss.h

SUNRPC: Clean up the RPCSEC_GSS service ticket requests

2012-01-05 10:42:38 -05:00

auth.h

SUNRPC: Refactor nfsd4_do_encode_secinfo()

2013-03-29 15:43:33 -04:00

bc_xprt.h

SUNRPC: Fix a few sparse warnings

2012-03-11 19:30:02 -04:00

cache.h

SUNRPC: remove "cache_request" argument in sunrpc_cache_pipe_upcall() function

2013-02-15 10:43:47 -05:00

clnt.h

SUNRPC: allow disabling idle timeout

2013-04-26 11:41:26 -04:00

debug.h

UAPI: (Scripted) Disintegrate include/linux/sunrpc

2012-10-09 09:49:04 +01:00

gss_api.h

Merge branch 'nfs-for-next' of git://linux-nfs.org/~trondmy/nfs-2.6 into for-3.10

2013-04-29 16:23:34 -04:00

gss_asn1.h

…

gss_err.h

RPCSEC_GSS remove all qop parameters

2005-10-18 23:19:47 -07:00

gss_krb5_enctypes.h

nfsd: fix dependency of nfsd on auth_rpcgss

2011-06-06 15:07:15 -04:00

gss_krb5.h

NFS: Don't use GFP_KERNEL in rpcsec_gss downcalls

2010-05-14 15:09:33 -04:00

metrics.h

NFS: include filelayout DS rpc stats in mountstats

2012-02-17 13:39:47 -05:00

msg_prot.h

nfsd4: check backchannel attributes on create_session

2013-04-09 16:53:56 -04:00

rpc_pipe_fs.h

SUNRPC: move waitq from RPC pipe to RPC inode

2012-02-27 13:37:48 -05:00

rpc_rdma.h

sunrpc: Clean never used include files

2009-12-14 18:12:08 -05:00

sched.h

SUNRPC: If the rpcbind channel is disconnected, fail the call to unregister

2013-08-14 22:59:08 -07:00

stats.h

SUNRPC: constify the rpc_program

2012-01-31 19:28:20 -05:00

svc_rdma.h

svcrdma: silence a Sparse warning

2012-03-06 18:13:33 -05:00

svc_xprt.h

svcrdma: Select NFSv4.1 backchannel transport based on forward channel

2014-09-05 16:28:37 -07:00

svc.h

sunrpc: Fix lockd sleeping until timeout

2013-01-23 18:17:39 -05:00

svcauth_gss.h

nfsd4: move principal name into svc_cred

2012-05-31 20:29:55 -04:00

svcauth.h

sunrpc: Use kuid_t and kgid_t where appropriate

2013-02-13 06:15:16 -08:00

svcsock.h

nfsd: check passed socket's net matches NFSd superblock's one

2014-05-06 07:55:29 -07:00

timer.h

atomic: use <linux/atomic.h>

2011-07-26 16:49:47 -07:00

types.h

…

xdr.h

sunrpc: trim off trailing checksum before returning decrypted or integrity authenticated buffer

2013-02-08 15:19:10 -05:00

xprt.h

SUNRPC: allow disabling idle timeout

2013-04-26 11:41:26 -04:00

xprtrdma.h

nfsd41: sunrpc: add new xprt class for nfsv4.1 backchannel

2009-09-13 15:46:15 -04:00

xprtsock.h

SUNRPC: Fix a few sparse warnings

2012-03-11 19:30:02 -04:00