> From: Christoph Hellwig > Sent: Tuesday, June 28, 2022 1:15 PM > > Many of the mdev drivers use a simple counter for keeping track of the > available instances. Move this code to the core code and store the counter > in the mdev_parent. Implement it using correct locking, fixing mdpy. > > Drivers just provide the value in the mdev_driver at registration time > and the core code takes care of maintaining it and exposing the value in > sysfs. > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > [count instances per-parent instead of per-type] > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
