If the server is down when the client is trying to mount, so that the calls to exchange_id or create_session fail, then we should allow the mount system call to fail rather than hang and block other mount/umount calls. Reported-by: Oleksandr Tymoshenko <ovt@xxxxxxxxxx> Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> --- fs/nfs/nfs4state.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 30aba1dedaba..59dcdf9bc7b4 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2024,6 +2024,12 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status) nfs_mark_client_ready(clp, -EPERM); clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); return -EPERM; + case -ETIMEDOUT: + if (clp->cl_cons_state == NFS_CS_SESSION_INITING) { + nfs_mark_client_ready(clp, -EIO); + return -EIO; + } + fallthrough; case -EACCES: case -NFS4ERR_DELAY: case -EAGAIN: -- 2.46.0 -- Trond Myklebust Linux NFS client maintainer, Hammerspace trond.myklebust@xxxxxxxxxxxxxxx