On 2026/08/06 4:39, John Garry wrote: > From: John Garry <[email protected]> > > Back in the 2.6.xx days, it was possible to for low-level drivers to set
s/to for/for > the shost lock pointer. That is why there is a default lock and a pointer > to the shost lock. > > However, support for this has long been removed, so drop > Scsi_Host.default_lock and make Scsi_Host.host_lock as the actual lock. > > Getting the address of embedded host_lock structure just requires adding > a fixed offset value to the shost pointer. However, getting the value of > the host_lock pointer requires loading from a fixed offset to the shost > pointer. The latter should be very slightly slower, which is relevant as > this lock is used a lot throughout the core code and drivers. > > Signed-off-by: John Garry <[email protected]> For the ata bits, Acked-by: Damien Le Moal <[email protected]> -- Damien Le Moal Western Digital Research
