On Thu, Mar 20, 2025 at 02:15:15PM -0400, James Bottomley wrote: > On Thu, 2025-03-20 at 09:48 -0700, Christoph Hellwig wrote: > [...] > > We finally got hibernate to freeze file system on suspend, > > I was looking for this to see if I could possibly plug something in for > pseudo filesystems that don't have backing devices. However, I can't > find the path where suspend causes freeze (at least the bdev doesn't > seem to register any power notifier like the scsi block device does), > where is the code? Looking again I can't find it either. On the internet I find a patch adding it from 2006: https://groups.google.com/g/fa.linux.kernel/c/dtxsNJ7ks58/m/mqU8SIAbvLgJ But I couldn't see if it got applied or disappaeared again somehow. Adding the relevant maintainers.
