diff options
| author | Tom Tucker <tom@ogc.us> | 2010-08-11 20:47:24 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-08-11 20:47:24 +0400 |
| commit | 15cdc644b268a9a9ce73ce0b153129222c254b7b (patch) | |
| tree | aca119f733a5c0823ed4b294c3eef4a222d55b7c /net/sunrpc/xprtrdma/rpc_rdma.c | |
| parent | 7a8b80eb38b248cfdf84048dad12073d5cfba3e6 (diff) | |
| download | linux-15cdc644b268a9a9ce73ce0b153129222c254b7b.tar.xz | |
rpcrdma: Fix SQ size calculation when memreg is FRMR
This patch updates the computation to include the worst case situation
where three FRMR are required to map a single RPC REQ.
Signed-off-by: Tom Tucker <tom@ogc.us>
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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index e5e28d1946a4..2ac3f6e8adff 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -249,6 +249,8 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, req->rl_nchunks = nchunks; BUG_ON(nchunks == 0); + BUG_ON((r_xprt->rx_ia.ri_memreg_strategy == RPCRDMA_FRMR) + && (nchunks > 3)); /* * finish off header. If write, marshal discrim and nchunks. |