194 static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size);
203 static void sg_remove_scat(Sg_fd * sfp, Sg_scatter_hold * schp);
1806 sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize)  in sg_build_sgat()  argument
1811 	schp->pages = kzalloc(sg_bufflen, gfp_flags);  in sg_build_sgat()
1812 	if (!schp->pages)  in sg_build_sgat()
1814 	schp->sglist_len = sg_bufflen;  in sg_build_sgat()
1819 sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)  in sg_build_indirect()  argument
1837 	mx_sc_elems = sg_build_sgat(schp, sfp, sg_tablesize);  in sg_build_indirect()
1866 		schp->pages[k] = alloc_pages(gfp_mask, order);  in sg_build_indirect()
1867 		if (!schp->pages[k])  in sg_build_indirect()
1882 	schp->page_order = order;  in sg_build_indirect()
1883 	schp->k_use_sg = k;  in sg_build_indirect()
1888 	schp->bufflen = blk_size;  in sg_build_indirect()
1894 		__free_pages(schp->pages[i], order);  in sg_build_indirect()
1903 sg_remove_scat(Sg_fd * sfp, Sg_scatter_hold * schp)  in sg_remove_scat()  argument
1906 			 "sg_remove_scat: k_use_sg=%d\n", schp->k_use_sg));  in sg_remove_scat()
1907 	if (schp->pages && schp->sglist_len > 0) {  in sg_remove_scat()
1908 		if (!schp->dio_in_use) {  in sg_remove_scat()
1911 			for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {  in sg_remove_scat()
1915 					k, schp->pages[k]));  in sg_remove_scat()
1916 				__free_pages(schp->pages[k], schp->page_order);  in sg_remove_scat()
1919 			kfree(schp->pages);  in sg_remove_scat()
1922 	memset(schp, 0, sizeof (*schp));  in sg_remove_scat()
1928 	Sg_scatter_hold *schp = &srp->data;  in sg_read_oxfer()  local
1937 	num = 1 << (PAGE_SHIFT + schp->page_order);  in sg_read_oxfer()
1938 	for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {  in sg_read_oxfer()
1940 			if (__copy_to_user(outp, page_address(schp->pages[k]),  in sg_read_oxfer()
1945 			if (__copy_to_user(outp, page_address(schp->pages[k]),  in sg_read_oxfer()
1961 	Sg_scatter_hold *schp = &sfp->reserve;  in sg_build_reserve()  local
1968 		if (0 == sg_build_indirect(schp, sfp, req_size))  in sg_build_reserve()
1971 			sg_remove_scat(sfp, schp);  in sg_build_reserve()