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| author |   Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-05 14:10:43 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-05 22:17:00 -0400 |
| commit | 00326ed6442c66021cd4b5e19e80f3e2027d5d42 (patch) | |
| tree | 5dd1e20d341dae00d0992f972bd1de851be51df8 /net | |
| parent | LOCKD: Don't call utsname()->nodename from nlmclnt_setlockargs (diff) | |
| download | linux-dev-00326ed6442c66021cd4b5e19e80f3e2027d5d42.tar.xz linux-dev-00326ed6442c66021cd4b5e19e80f3e2027d5d42.zip | |
SUNRPC: Don't auto-disconnect from the local rpcbind socket
There is no need for the kernel to time out the AF_LOCAL connection to
the rpcbind socket, and doing so is problematic because when it is
time to reconnect, our process may no longer be using the same mount
namespace.
Reported-by: Nix <nix@esperi.org.uk>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: stable@vger.kernel.org # 3.9.x
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 3df764dc330c..b0f723227157 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -238,6 +238,14 @@ static int rpcb_create_local_unix(struct net *net) .program = &rpcb_program, .version = RPCBVERS_2, .authflavor = RPC_AUTH_NULL, + /* + * We turn off the idle timeout to prevent the kernel + * from automatically disconnecting the socket. + * Otherwise, we'd have to cache the mount namespace + * of the caller and somehow pass that to the socket + * reconnect code. + */ + .flags = RPC_CLNT_CREATE_NO_IDLE_TIMEOUT, }; struct rpc_clnt *clnt, *clnt4; int result = 0; |