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Trond Myklebust 24ca9a8477 SUNRPC: Ensure we return EAGAIN in xs_nospace if congestion is cleared 
By returning '0' instead of 'EAGAIN' when the tests in xs_nospace() fail
to find evidence of socket congestion, we are making the RPC engine believe
that the message was incorrectly sent and so it disconnects the socket
instead of just retrying.

The bug appears to have been introduced by commit
5e3771ce2d (SUNRPC: Ensure that xs_nospace
return values are propagated).

Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 2.6.30]
Tested-by: Andrew Cooper <andrew.cooper3@citrix.com>
 		2011-11-22 23:55:27 +02:00
..
auth_gss Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs 2011-10-25 15:44:06 +02:00
xprtrdma net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
Kconfig SUNRPC: sunrpc should not explicitly depend on NFS config options 2011-07-15 09:12:23 -04:00
Makefile SUNRPC: sunrpc should not explicitly depend on NFS config options 2011-07-15 09:12:23 -04:00
addr.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
auth.c net: Remove unnecessary semicolons 2011-06-05 14:33:39 -07:00
auth_generic.c sunrpc: fix up rpcauth_remove_module section mismatch 2010-09-29 12:27:37 -04:00
auth_null.c SUNRPC: Move the bound cred to struct rpc_rqst 2010-08-04 08:54:09 -04:00
auth_unix.c NFS/sunrpc: don't use a credential with extra groups. 2011-10-25 11:20:58 +02:00
backchannel_rqst.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
bc_svc.c SUNRPC: sunrpc should not explicitly depend on NFS config options 2011-07-15 09:12:23 -04:00
cache.c svcrpc: ensure cache_check caller sees updated entry 2011-01-04 16:49:25 -05:00
clnt.c NFS: Get rid of nfs_restart_rpc() 2011-10-19 13:58:30 -07:00
netns.h sunrpc: Make the ip_map_cache be per-net 2010-09-27 10:16:12 -04:00
rpc_pipe.c Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs 2011-10-25 15:44:06 +02:00
rpcb_clnt.c SUNRPC: remove rpcbind clients destruction on module cleanup 2011-10-25 13:20:50 +02:00
sched.c SUNRPC: Allow caller of rpc_sleep_on() to select priority levels 2011-07-17 18:11:34 -04:00
socklib.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
stats.c SUNRPC: Simplify rpc_alloc_iostats by removing pointless local variable 2010-11-16 11:58:51 -05:00
sunrpc.h nfsd41: sunrpc: Added rpc server-side backchannel handling 2009-09-11 15:04:16 -04:00
sunrpc_syms.c SUNRPC: remove rpcbind clients destruction on module cleanup 2011-10-25 13:20:50 +02:00
svc.c Merge branch 'osd-devel' into nfs-for-next 2011-11-02 23:56:40 -04:00
svc_xprt.c net: Fix files explicitly needing to include module.h 2011-10-31 19:30:28 -04:00
svcauth.c net: sunrpc: kill unused macros 2010-12-17 15:48:21 -05:00
svcauth_unix.c svcauth_unix.c: quiet sparse noise 2011-07-15 18:58:44 -04:00
svcsock.c net: Fix files explicitly needing to include module.h 2011-10-31 19:30:28 -04:00
sysctl.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
timer.c SUNRPC: Add documenting comments in net/sunrpc/timer.c 2009-08-09 15:09:47 -04:00
xdr.c SUNRPC: Convert the backchannel exports to EXPORT_SYMBOL_GPL 2011-07-15 09:12:23 -04:00
xprt.c net: fix new sunrpc kernel-doc warning 2011-07-28 18:20:21 -07:00
xprtsock.c SUNRPC: Ensure we return EAGAIN in xs_nospace if congestion is cleared 2011-11-22 23:55:27 +02:00