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| author | Tom Tucker <tom@ogc.us> | 2012-02-20 13:07:42 -0600 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-21 09:31:47 -0400 |
| commit | 4a6862b3649d705bf41a36e3c7943d0322a9ee27 (patch) | |
| tree | d4e53e6f1c1b53716a373bb316e408653d28a8ef /net/sunrpc | |
| parent | 18d98f6c04991dd3c12acf6f39cea40e9510640a (diff) | |
| download | linux-stable-4a6862b3649d705bf41a36e3c7943d0322a9ee27.tar.gz linux-stable-4a6862b3649d705bf41a36e3c7943d0322a9ee27.tar.bz2 linux-stable-4a6862b3649d705bf41a36e3c7943d0322a9ee27.zip | |
xprtrdma: The transport should not bug-check when a dup reply is received
The client side RDMA transport will bug check if it receives a duplicate
reply, instead we should simply drop the duplicate reply.
Signed-off-by: Tom Tucker <tom@ogc.us>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 554d0814c875..12de982b7a50 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -771,13 +771,18 @@ repost: /* get request object */ req = rpcr_to_rdmar(rqst); + if (req->rl_reply) { + spin_unlock(&xprt->transport_lock); + dprintk("RPC: %s: duplicate reply 0x%p to RPC " + "request 0x%p: xid 0x%08x\n", __func__, rep, req, + headerp->rm_xid); + goto repost; + } dprintk("RPC: %s: reply 0x%p completes request 0x%p\n" " RPC request 0x%p xid 0x%08x\n", __func__, rep, req, rqst, headerp->rm_xid); - BUG_ON(!req || req->rl_reply); - /* from here on, the reply is no longer an orphan */ req->rl_reply = rep; |