Coly, > In iscsci driver, iscsi_tcp_segment_map() uses the following code to > check whether the page should or not be handled by sendpage: > if (!recv && page_count(sg_page(sg)) >= 1 && !PageSlab(sg_page(sg))) > > The "page_count(sg_page(sg)) >= 1 && !PageSlab(sg_page(sg)" part is to > make sure the page can be sent to network layer's zero copy path. This > part is exactly what sendpage_ok() does. > > This patch uses use sendpage_ok() in iscsi_tcp_segment_map() to replace > the original open coded checks. Looks fine to me. Acked-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> -- Martin K. Petersen Oracle Linux Engineering