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

..

auth_gss

rpc: let xdr layer allocate gssproxy receieve pages

2013-10-01 09:17:48 -07:00

xprtrdma

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

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

addr.c

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

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

auth_generic.c

sunrpc: Convert kuids and kgids to uids and gids for printing

2013-02-13 06:15:19 -08:00

auth_null.c

SUNRPC: Move the bound cred to struct rpc_rqst

2010-08-04 08:54:09 -04:00

auth_unix.c

sunrpc: Properly encode kuids and kgids in RPC_AUTH_UNIX credentials

2013-02-13 06:15:24 -08:00

auth.c

SUNRPC: Don't recognize RPC_AUTH_MAXFLAVOR

2013-04-04 17:01:00 -04:00

backchannel_rqst.c

SUNRPC: remove two BUG_ON asserts

2012-11-04 14:43:41 -05:00

bc_svc.c

SUNRPC: remove BUG_ON from bc_send

2012-11-04 14:43:41 -05:00

cache.c

Merge branch 'for-3.10' of git://linux-nfs.org/~bfields/linux

2013-05-03 10:59:39 -07:00

clnt.c

sunrpc: Fix infinite loop in RPC state machine

2014-02-13 13:48:01 -08:00

Kconfig

Merge branch 'rpcsec_gss-from_cel' into linux-next

2013-04-23 15:40:40 -04:00

Makefile

SUNRPC: sunrpc should not explicitly depend on NFS config options

2011-07-15 09:12:23 -04:00

netns.h

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

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

rpc_pipe.c

SUNRPC: Convert auth_gss pipe detection to work in namespaces

2013-05-16 06:17:54 -07:00

rpcb_clnt.c

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

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

sched.c

SUNRPC: Prevent an rpc_task wakeup race

2013-05-22 14:55:32 -04:00

socklib.c

sunrpc: remove the second argument of k[un]map_atomic()

2012-03-20 21:48:28 +08:00

stats.c

procfs: new helper - PDE_DATA(inode)

2013-04-09 14:13:32 -04:00

sunrpc_syms.c

SUNRPC: register PipeFS file system after pernet sybsystem

2012-04-18 11:05:48 -04:00

sunrpc.h

SUNRPC: subscribe RPC clients to pipefs notifications

2012-01-31 18:20:25 -05:00

svc_xprt.c

SUNRPC: Fix a module reference leak in svc_handle_xprt

2014-07-06 18:54:14 -07:00

svc.c

svcrpc: fix rpc server shutdown races

2013-02-17 10:53:51 -05:00

svcauth_unix.c

svcrpc: fix failures to handle -1 uid's

2013-07-25 14:07:31 -07:00

svcauth.c

hlist: drop the node parameter from iterators

2013-02-27 19:10:24 -08:00

svcsock.c

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

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

sysctl.c

SUNRPC: make SUNPRC clients list per network namespace context

2012-01-31 18:20:25 -05:00

timer.c

net: cleanup unsigned to unsigned int

2012-04-15 12:44:40 -04:00

xdr.c

SUNRPC: Fix memory corruption issue on 32-bit highmem systems

2013-09-07 22:09:58 -07:00

xprt.c

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

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

xprtsock.c

SUNRPC: Fix races in xs_nospace()

2014-03-06 21:30:08 -08:00