Ludovic Courtès writes: > Hi, > > elaexuotee--- via Bug reports for GNU Guix skribis: > >> When using --expose to mirror a path between host and guest, the guest mirror >> fails to reflect file modifications from the host. However, file creation and >> deletion are correctly propogated. >> >> To pick up file modifications in the guest, it is sufficient to remount >> mirroring 9p filesystem. >> >> Is this behaviour expected? > > I believe this comes from the “cache=loose” 9p mount option added in > commit e0d96774dd48c29ccc4c90fea1f8f71850ab0879. > > Does the patch below help? > > Chris, what do you think? How would this affect the performance issues > that led to e0d96774dd48c29ccc4c90fea1f8f71850ab0879? Caching only for readonly filesystems sounds fine, I think I was only thinking about the store for e0d96774dd48c29ccc4c90fea1f8f71850ab0879.