This kernel patch and an upcoming nfs-utils patch adds a new export option 's2sc' which will allow inter server to server copies. The option needs to be set on the destination server. The idea behind the option is to allow admins the ability to control which export can do these types of copies. Steve Dickson (1): nfsd4_copy: Adds the ability to do inter server to server on an export fs/nfsd/nfs4proc.c | 3 ++- include/uapi/linux/nfsd/export.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) -- 2.31.1