Lines Matching refs:sg
35 #define sg_is_chain(sg) ((sg)->page_link & SG_CHAIN)
36 #define sg_is_last(sg) ((sg)->page_link & SG_END)
37 #define sg_chain_ptr(sg) \
38 ((struct scatterlist *) ((sg)->page_link & ~(SG_CHAIN | SG_END)))
42 struct scatterlist sg;
44 bpf_probe_read_kernel(&sg, sizeof(sg), sgp);
45 if (sg_is_last(&sg))
50 bpf_probe_read_kernel(&sg, sizeof(sg), sgp);
51 if (sg_is_chain(&sg))
52 sgp = sg_chain_ptr(&sg);