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authorTom Tucker <tom@opengridcomputing.com>2007-12-30 21:08:29 -0600
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-02-01 16:42:13 -0500
commit260c1d1298f6703d38fdccd3dd5a310766327340 (patch)
tree95bf71a81a9bba5d1e69940ccba99943682029c5 /include/linux/sunrpc
parent0f0257eaa5d29b80f6ab2c40ed21aa65bb4527f6 (diff)
svc: Add transport hdr size for defer/revisit
Some transports have a header in front of the RPC header. The current defer/revisit processing considers only the iov_len and arg_len to determine how much to back up when saving the original request to revisit. Add a field to the rqstp structure to save the size of the transport header so svc_defer can correctly compute the start of a request. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/svc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 04eb20e2c344..742ab461d842 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -217,6 +217,7 @@ struct svc_rqst {
void * rq_xprt_ctxt; /* transport specific context ptr */
struct svc_deferred_req*rq_deferred; /* deferred request we are replaying */
+ size_t rq_xprt_hlen; /* xprt header len */
struct xdr_buf rq_arg;
struct xdr_buf rq_res;
struct page * rq_pages[RPCSVC_MAXPAGES];
@@ -322,6 +323,7 @@ struct svc_deferred_req {
size_t addrlen;
union svc_addr_u daddr; /* where reply must come from */
struct cache_deferred_req handle;
+ size_t xprt_hlen;
int argslen;
__be32 args[0];
};