On Wed, Sep 05, 2018 at 06:55:15AM -0400, Jeff Layton wrote: > There is no requirement for a filesystem to flush data on close(). In > fact, most local filesystems do not. NFS does, but that's because it has > to in order to provide close-to-open cache consistency semantics. And these days even NFS can delay writeback till after close thanks to write delegations. --b.
