On 2020-05-13 07:49, Max Gurtovoy wrote: > FMR is not supported on most recent RDMA devices (that use fast memory > registration mechanism). Also, FMR was recently removed from NFS/RDMA > ULP. Please mention how this patch has been tested. > @@ -71,7 +71,7 @@ > static unsigned int cmd_sg_entries; > static unsigned int indirect_sg_entries; > static bool allow_ext_sg; > -static bool prefer_fr = true; > +static bool prefer_fr; > static bool register_always = true; > static bool never_register; > static int topspin_workarounds = 1; Is this change necessary? Thanks, Bart.