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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-06-30 19:42:19 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-06-30 19:42:19 +0200 |
| commit | 3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64 (patch) | |
| tree | 33ab0e11e49872bb851957ada502f58a04690d6c | |
| parent | FS/NFS: replace count*size kzalloc by kcalloc (diff) | |
| download | linux-3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64.tar.xz linux-3601c4a91ebbbf1cf69f66a2abeffc6c64a4fe64.zip | |
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>
| -rw-r--r-- | net/sunrpc/clnt.c | 4 | ||||
| -rw-r--r-- | net/sunrpc/xprtsock.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 2e6ab10734f6..575e63f6c13e 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 be8bbd5d65ec..8f8589fedfdd 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; } |