From: Trond Myklebust Date: Sun, 6 Apr 2025 08:38:52 +0000 (+0200) Subject: NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors X-Git-Tag: v6.15-rc7~12^2~11 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d7f844ffac683dea7b1697c016e63081199383e;p=thirdparty%2Fkernel%2Flinux.git 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: Trond Myklebust Reviewed-by: Jeff Layton --- diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 970f28dbf2539..1f7cc260b007e 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -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);