On 3/24/21 1:19 PM, Ming Lei wrote:
There is a hole at the end of 'struct bvec_iter', so put a new field here and we can save cookie returned from submit_bio() here for supporting bio based polling. This way can avoid to extend bio unnecessarily. Meantime add two helpers to get/set this field. Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> --- block/blk.h | 10 ++++++++++ include/linux/bvec.h | 8 ++++++++ 2 files changed, 18 insertions(+)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
