On Sat, Dec 09, 2023 at 01:29:38PM -0800, Eric Biggers wrote: > btrfs releases its block devices in ->put_super(), so with your proposal that > would need to be moved to ->kill_sb() as well, right?
Yes. I actually sent a patch for that in August: https://www.spinics.net/lists/linux-btrfs/msg138572.html but it somehow got lost in the usual mess of btrfs trees and Dave not wanting to Ack picking it up through the VFS tree with the rest of the series.
