Commit 2d7f844f authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors 



Ensure that the NFSv4 error handling code recognises the
RPC_TASK_NETUNREACH_FATAL flag, and handles the ENETDOWN and ENETUNREACH
errors accordingly.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
parent b4432656

fs/nfs/nfs4proc.c

+9 −0
Original line number Diff line number Diff line
@@ -671,6 +671,15 @@ nfs4_async_handle_exception(struct rpc_task *task, struct nfs_server *server, 
	struct nfs_client *clp = server->nfs_client;

	int ret;



	if ((task->tk_rpc_status == -ENETDOWN ||

	     task->tk_rpc_status == -ENETUNREACH) &&

	    task->tk_flags & RPC_TASK_NETUNREACH_FATAL) {

		exception->delay = 0;

		exception->recovering = 0;

		exception->retry = 0;

		return -EIO;

	}



	ret = nfs4_do_handle_exception(server, errorcode, exception);

	if (exception->delay) {

		int ret2 = nfs4_exception_should_retrans(server, exception);