On Fri, May 05, 2023 at 01:51:30PM -0400, Christoph Hellwig wrote: > Add a new ->shutdown super operation that can be used to tell the file > system to shut down, and call it from newly created holder ops when the > block device under a file system shuts down. > > This only covers the main block device for "simple" file systems using > get_tree_bdev / mount_bdev. File systems their own get_tree method > or opening additional devices will need to set up their own > blk_holder_ops. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- Do you want the fs infra and block infra merged together or separately? Looks good to me, Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>