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authorTrond Myklebust <trond.myklebust@primarydata.com>2014-06-30 13:42:19 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-06-30 13:42:19 -0400
commit3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64 (patch)
tree33ab0e11e49872bb851957ada502f58a04690d6c /net
parentf15b5041440c502726f121b37cf3923562f8dc6f (diff)
downloadop-kernel-dev-3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64.zip
op-kernel-dev-3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64.tar.gz
SUNRPC: Ensure that we handle ENOBUFS errors correctly.
Currently, an ENOBUFS error will result in a fatal error for the RPC call. Normally, we will just want to wait and then retry. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/clnt.c4
-rw-r--r--net/sunrpc/xprtsock.c5
2 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 2e6ab10..575e63f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1746,6 +1746,7 @@ call_bind_status(struct rpc_task *task)
case -EHOSTDOWN:
case -EHOSTUNREACH:
case -ENETUNREACH:
+ case -ENOBUFS:
case -EPIPE:
dprintk("RPC: %5u remote rpcbind unreachable: %d\n",
task->tk_pid, task->tk_status);
@@ -1812,6 +1813,7 @@ call_connect_status(struct rpc_task *task)
case -ECONNABORTED:
case -ENETUNREACH:
case -EHOSTUNREACH:
+ case -ENOBUFS:
if (RPC_IS_SOFTCONN(task))
break;
/* retry with existing socket, after a delay */
@@ -1918,6 +1920,7 @@ call_transmit_status(struct rpc_task *task)
case -ECONNRESET:
case -ECONNABORTED:
case -ENOTCONN:
+ case -ENOBUFS:
case -EPIPE:
rpc_task_force_reencode(task);
}
@@ -2034,6 +2037,7 @@ call_status(struct rpc_task *task)
case -ECONNRESET:
case -ECONNABORTED:
rpc_force_rebind(clnt);
+ case -ENOBUFS:
rpc_delay(task, 3*HZ);
case -EPIPE:
case -ENOTCONN:
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index be8bbd5..8f8589f 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -594,6 +594,7 @@ static int xs_local_send_request(struct rpc_task *task)
}
switch (status) {
+ case -ENOBUFS:
case -EAGAIN:
status = xs_nospace(task);
break;
@@ -661,6 +662,7 @@ static int xs_udp_send_request(struct rpc_task *task)
dprintk("RPC: sendmsg returned unrecognized error %d\n",
-status);
case -ENETUNREACH:
+ case -ENOBUFS:
case -EPIPE:
case -ECONNREFUSED:
/* When the server has died, an ICMP port unreachable message
@@ -758,6 +760,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
status = -ENOTCONN;
/* Should we call xs_close() here? */
break;
+ case -ENOBUFS:
case -EAGAIN:
status = xs_nospace(task);
break;
@@ -1946,6 +1949,7 @@ static int xs_local_setup_socket(struct sock_xprt *transport)
dprintk("RPC: xprt %p connected to %s\n",
xprt, xprt->address_strings[RPC_DISPLAY_ADDR]);
xprt_set_connected(xprt);
+ case -ENOBUFS:
break;
case -ENOENT:
dprintk("RPC: xprt %p: socket %s does not exist\n",
@@ -2281,6 +2285,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
case -ECONNREFUSED:
case -ECONNRESET:
case -ENETUNREACH:
+ case -ENOBUFS:
/* retry with existing socket, after a delay */
goto out;
}
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