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/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 4dbbf44..5f353d4 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1856,6 +1856,7 @@
replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
xdr_inline_pages(&req->rq_rcv_buf, replen,
args->pages, args->pgbase, args->count);
+ req->rq_rcv_buf.flags |= XDRBUF_READ;
out:
return status;
}
@@ -1932,6 +1933,7 @@
status = encode_write(&xdr, args);
if (status)
goto out;
+ req->rq_snd_buf.flags |= XDRBUF_WRITE;
status = encode_getfattr(&xdr, args->bitmask);
out:
return status;