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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-01-08 15:10:21 +0100 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-02-01 16:13:47 +0100 |
| commit | a4f0835c604f80f945ab3e72ffd00547145c4b2b (patch) | |
| tree | cd883841bad19e0ab7e7aa435bbcac572836ff9e /net/sunrpc/xprtrdma/rpc_rdma.c | |
| parent | Linux 3.8-rc6 (diff) | |
| download | linux-a4f0835c604f80f945ab3e72ffd00547145c4b2b.tar.xz linux-a4f0835c604f80f945ab3e72ffd00547145c4b2b.zip | |
SUNRPC: Eliminate task->tk_xprt accesses that bypass rcu_dereference()
tk_xprt is just a shortcut for tk_client->cl_xprt, however cl_xprt is
defined as an __rcu variable. Replace dereferences of tk_xprt with
non-rcu dereferences where it is safe to do so.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/rpc_rdma.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 558fbab574f0..e03725bfe2b8 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -171,7 +171,7 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, struct rpcrdma_msg *headerp, enum rpcrdma_chunktype type) { struct rpcrdma_req *req = rpcr_to_rdmar(rqst); - struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_task->tk_xprt); + struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_xprt); int nsegs, nchunks = 0; unsigned int pos; struct rpcrdma_mr_seg *seg = req->rl_segments; @@ -366,7 +366,7 @@ rpcrdma_inline_pullup(struct rpc_rqst *rqst, int pad) int rpcrdma_marshal_req(struct rpc_rqst *rqst) { - struct rpc_xprt *xprt = rqst->rq_task->tk_xprt; + struct rpc_xprt *xprt = rqst->rq_xprt; struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); struct rpcrdma_req *req = rpcr_to_rdmar(rqst); char *base; |