On 8/6/26 4:39 AM, John Garry wrote: > 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.
Hmm ... SCSI drivers for which performance matters shouldn't use the SCSI host lock in their hot path.
> @Bart, Can you kindly build test this? s390 and sh were causing some build
> issues for me. Thanks This patch passes my build tests, but an update for the references to default_lock in the Documentation/ directory is missing. Otherwise this patch looks good to me. So with or without the Documentation/ update, feel free to add: Reviewed-by: Bart Van Assche <[email protected]>
