On 7/27/19 5:37 AM, Douglas Gilbert wrote: > The internal struct sg_comm_wr_t was added when the number of > arguments to sg_common_write() became excessive. Expand this idea > so multiple calls to sg_fetch_cmnd() can be deferred until a > scsi_request object is ready to receive the command. This saves > a 252 byte stack allocation on every submit path. Prior to this > and a few other changes, the kernel infrastructure was warning > about excessive stack usage. > > Signed-off-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> > --- > drivers/scsi/sg.c | 178 ++++++++++++++++++++++++---------------------- > 1 file changed, 92 insertions(+), 86 deletions(-) > 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: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 21284 (AG Nürnberg)
