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[PATCH] RPC: skip over transport-specific heads automatically

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Add a generic mechanism for skipping over transport-specific headers
 when constructing an RPC request.  This removes another "xprt->stream"
 dependency.

 Test-plan:
 Write-intensive workload on a single mount point (try both UDP and
 TCP).

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2005-08-25 16:25:49 -07:00
committed by Trond Myklebust
parent 262965f53d
commit 808012fbb2
5 changed files with 53 additions and 14 deletions
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7
include/linux/sunrpc/xprt.h
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@@ -155,6 +155,8 @@ struct rpc_xprt {
size_t max_payload; /* largest RPC payload size,
in bytes */
unsigned int tsh_size; /* size of transport specific
header */
struct rpc_wait_queue sending; /* requests waiting to send */
struct rpc_wait_queue resend; /* requests waiting to resend */
@@ -236,6 +238,11 @@ int xprt_adjust_timeout(struct rpc_rqst *req);
void xprt_release(struct rpc_task *task);
int xprt_destroy(struct rpc_xprt *xprt);
static inline u32 *xprt_skip_transport_header(struct rpc_xprt *xprt, u32 *p)
{
return p + xprt->tsh_size;
}
/*
* Transport switch helper functions
*/