On Wed, Sep 20, 2023 at 03:41:11PM -0500, Samuel Holland wrote: > [ 14.619101] Buffer I/O error on dev nbd0, logical block 0, async page read > > [ 14.630490] nbd0: unable to read partition table > > I wonder if disk_force_media_change() is the right thing to call here instead. So what are the semantics of clearing the socket? The <= 6.5 behavior of invalidating fs caches, but not actually marking the fs shutdown is pretty broken, especially if this expects to resurrect the device and thus the file system later on.