On 7/27/22 18:22, Christoph Hellwig wrote:
The double indirect bio leads to somewhat suboptimal code generation. Instead return the (original or split) bio, and make sure the request_queue arguments to the lower level helpers is passed after the bio to avoid constant reshuffling of the argument passing registers. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> --- block/blk-mq.c | 2 +- block/blk.h | 10 ++++++---- block/bounce.c | 26 +++++++++++++------------- 3 files changed, 20 insertions(+), 18 deletions(-)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), GF: Felix Imendörffer
