On Tue, May 17, 2016 at 04:11:55PM +0200, Peter Lieven wrote:
> Signed-off-by: Peter Lieven <p...@kamp.de>
> ---
> block/nfs.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/block/nfs.c b/block/nfs.c
> index 975510f..8b73a35 100644
> --- a/block/nfs.c
> +++ b/block/nfs.c
> @@ -331,6 +331,11 @@ static int64_t nfs_client_open(NFSClient *client, const
> char *filename,
> nfs_set_tcp_syncnt(client->context, val);
> #ifdef LIBNFS_FEATURE_READAHEAD
> } else if (!strcmp(qp->p[i].name, "readahead")) {
> + if (open_flags & BDRV_O_NOCACHE) {
> + error_setg(errp, "Cannot enable NFS readahead "
> + "if cache.direct = on");
> + goto fail;
> + }
> if (val > QEMU_NFS_MAX_READAHEAD_SIZE) {
> error_report("NFS Warning: Truncating NFS readahead"
> " size to %d", QEMU_NFS_MAX_READAHEAD_SIZE);
> --
> 1.9.1
>
Do we to check for cache mode changes now in nfs_reopen_prepare()?
