On 06/20/2017 12:07 AM, Bart Van Assche wrote: > From: Bart Van Assche <bart.vanassche@xxxxxxxxxxx> > > Several block drivers need to initialize the driver-private request > data after having called blk_get_request() and before .prep_rq_fn() > is called, e.g. when submitting a REQ_OP_SCSI_* request. Avoid that > that initialization code has to be repeated after every > blk_get_request() call by adding new callback functions to struct > request_queue and to struct blk_mq_ops. > > Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Hannes Reinecke <hare@xxxxxxxx> > Cc: Omar Sandoval <osandov@xxxxxx> > --- > block/blk-core.c | 17 +++++++++++++++-- > include/linux/blk-mq.h | 2 ++ > include/linux/blkdev.h | 4 ++++ > 3 files changed, 21 insertions(+), 2 deletions(-) > Thanks for doing so. I had been missing this functionality for a long time; now I can finally go ahead and convert the dasd driver :-) Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
