[cc += Stuart, linux-pci; start of thread: https://lore.kernel.org/lkml/20240207184100.18066-1-djeffery@xxxxxxxxxx/ ] On Wed, Feb 07, 2024 at 12:40:15PM -0800, Jeremy Allison wrote: > On Wed, Feb 07, 2024 at 1:40:54PM -0500 David Jeffery wrote: > > This is another attempt to implement an acceptable implementation of async > > device shutdown, inspired by a previous attempt by Tanjore Suresh. For > > systems with many disks, async shutdown can greatly reduce shutdown times > > from having slow operations run in parallel. > > It may have escaped your notice that I was shepherding a newer version > of Tanjore's original patchset through the nvme lists already. Please > look at version 5 here (I am working on version 6 currently). Stuart Hayes has also been working on async shutdown and his approach is much leaner than yours. He needs testers. Maybe you can give his patch a spin and report back if it works for you, so that you guys can collaborate instead of working on separate approaches? Here's Stuart's v5: https://lore.kernel.org/all/20231128210436.506510-1-stuart.w.hayes@xxxxxxxxx/ Thanks, Lukas
