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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-17 22:01:03 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-17 22:01:03 +0200 |
| commit | 43cedbf0e8dfb9c5610eb7985d5f21263e313802 (patch) | |
| tree | 7758630292b6a276a3db72e63803ddc02c0a4444 /net/sunrpc/xprtrdma | |
| parent | pnfs: simplify pnfs files module autoloading (diff) | |
| download | linux-43cedbf0e8dfb9c5610eb7985d5f21263e313802.tar.xz linux-43cedbf0e8dfb9c5610eb7985d5f21263e313802.zip | |
SUNRPC: Ensure that we grab the XPRT_LOCK before calling xprt_alloc_slot
This throttles the allocation of new slots when the socket is busy
reconnecting and/or is out of buffer space.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 0867070bb5ca..674a49224450 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -452,9 +452,8 @@ xprt_rdma_connect(struct rpc_task *task) } static int -xprt_rdma_reserve_xprt(struct rpc_task *task) +xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task) { - struct rpc_xprt *xprt = task->tk_xprt; struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); int credits = atomic_read(&r_xprt->rx_buf.rb_credits); @@ -466,7 +465,7 @@ xprt_rdma_reserve_xprt(struct rpc_task *task) BUG_ON(r_xprt->rx_buf.rb_cwndscale <= 0); } xprt->cwnd = credits * r_xprt->rx_buf.rb_cwndscale; - return xprt_reserve_xprt_cong(task); + return xprt_reserve_xprt_cong(xprt, task); } /* |