ceph: kill ceph_osdc_new_request() "num_reply" parameter

The "num_reply" parameter to ceph_osdc_new_request() is never
used inside that function, so get rid of it.

Note that ceph_sync_write() passes 2 for that argument, while all
other callers pass 1.  It doesn't matter, but perhaps someone should
verify this doesn't indicate a problem.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index a1e5b81..9c4325e 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -541,7 +541,7 @@
 				    ci->i_snap_realm->cached_context,
 				    do_sync,
 				    ci->i_truncate_seq, ci->i_truncate_size,
-				    &mtime, false, 2, page_align);
+				    &mtime, false, page_align);
 	if (IS_ERR(req))
 		return PTR_ERR(req);