Christoph,
> A few drivers optimistically try to support discard, write zeroes and > secure erase and disable the features from the I/O completion handler > if the hardware can't support them. This disable can't be done using > the atomic queue limits API because the I/O completion handlers can't > take sleeping locks or freeze the queue. Keep the existing clearing of > the relevant field to zero, but replace the old blk_queue_max_* APIs > with new disable APIs that force the value to 0. Reviewed-by: Martin K. Petersen <martin.peter...@oracle.com> -- Martin K. Petersen Oracle Linux Engineering
