On Thu, Aug 11, 2016 at 12:33:47PM -0400, Jeff Layton wrote: > On Thu, 2016-08-11 at 18:25 +0200, hch wrote: > > Yeah, for file-like layouts there should be a flag in > > struct nfsd4_layout_ops to disable recalls. > > I don't think disabling recalls would be enough, would it? XFS still > wants to break_layout and won't proceed until the layout list is empty, > AFAICT. We need some way to indicate to the lower filesystem not to > call break_layout in this case. XFS only cares about block-like layours where the client has direct access to the file blocks. I'd need to look how to propagate the flag into break_layout, but in principle we don't need to do any recalls on truncate every for file and flexfile layouts. > > -- > Jeff Layton <jlayton@xxxxxxxxxx> ---end quoted text--- -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html