SUNRPC: mark bulk read/write data in xdrbuf
Adds a flag word to the xdrbuf struct which indicates any bulk
disposition of the data. This enables RPC transport providers to
marshal it efficiently/appropriately, and may enable other
optimizations.
Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 1c57094..668ab96 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -251,6 +251,7 @@
replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readres_sz) << 2;
xdr_inline_pages(&req->rq_rcv_buf, replen,
args->pages, args->pgbase, count);
+ req->rq_rcv_buf.flags |= XDRBUF_READ;
return 0;
}
@@ -313,6 +314,7 @@
/* Copy the page array */
xdr_encode_pages(sndbuf, args->pages, args->pgbase, count);
+ sndbuf->flags |= XDRBUF_WRITE;
return 0;
}