Looks Good.
On Fri, Sep 18, 2015 at 2:14 AM, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
> After adding a swapfile on an NFS/RDMA mount and removing the
> normal swap partition, I was able to push the NFS client well
> into swap without any issue.
>
> I forgot to swapoff the NFS file before rebooting. This pinned
> the NFS mount and the IB core and provider, causing shutdown to
> hang. I think this is expected and safe behavior. Probably
> shutdown scripts should "swapoff -a" before unmounting any
> filesystems.
>
> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
> ---
> net/sunrpc/xprtrdma/transport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
> index 41e452b..e9e5ed7 100644
> --- a/net/sunrpc/xprtrdma/transport.c
> +++ b/net/sunrpc/xprtrdma/transport.c
> @@ -676,7 +676,7 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
> static int
> xprt_rdma_enable_swap(struct rpc_xprt *xprt)
> {
> - return -EINVAL;
> + return 0;
> }
>
> static void
>
> --
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