187 static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size);
196 static void sg_remove_scat(Sg_scatter_hold * schp);
1749 sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize)  in sg_build_sgat()  argument
1754 	schp->pages = kzalloc(sg_bufflen, gfp_flags);  in sg_build_sgat()
1755 	if (!schp->pages)  in sg_build_sgat()
1757 	schp->sglist_len = sg_bufflen;  in sg_build_sgat()
1762 sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)  in sg_build_indirect()  argument
1779 	mx_sc_elems = sg_build_sgat(schp, sfp, sg_tablesize);  in sg_build_indirect()
1808 		schp->pages[k] = alloc_pages(gfp_mask, order);  in sg_build_indirect()
1809 		if (!schp->pages[k])  in sg_build_indirect()
1823 	schp->page_order = order;  in sg_build_indirect()
1824 	schp->k_use_sg = k;  in sg_build_indirect()
1828 	schp->bufflen = blk_size;  in sg_build_indirect()
1834 		__free_pages(schp->pages[i], order);  in sg_build_indirect()
1843 sg_remove_scat(Sg_scatter_hold * schp)  in sg_remove_scat()  argument
1845 	SCSI_LOG_TIMEOUT(4, printk("sg_remove_scat: k_use_sg=%d\n", schp->k_use_sg));  in sg_remove_scat()
1846 	if (schp->pages && schp->sglist_len > 0) {  in sg_remove_scat()
1847 		if (!schp->dio_in_use) {  in sg_remove_scat()
1850 			for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {  in sg_remove_scat()
1853 				    k, schp->pages[k]));  in sg_remove_scat()
1854 				__free_pages(schp->pages[k], schp->page_order);  in sg_remove_scat()
1857 			kfree(schp->pages);  in sg_remove_scat()
1860 	memset(schp, 0, sizeof (*schp));  in sg_remove_scat()
1866 	Sg_scatter_hold *schp = &srp->data;  in sg_read_oxfer()  local
1874 	num = 1 << (PAGE_SHIFT + schp->page_order);  in sg_read_oxfer()
1875 	for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {  in sg_read_oxfer()
1877 			if (__copy_to_user(outp, page_address(schp->pages[k]),  in sg_read_oxfer()
1882 			if (__copy_to_user(outp, page_address(schp->pages[k]),  in sg_read_oxfer()
1898 	Sg_scatter_hold *schp = &sfp->reserve;  in sg_build_reserve()  local
1904 		if (0 == sg_build_indirect(schp, sfp, req_size))  in sg_build_reserve()
1907 			sg_remove_scat(schp);  in sg_build_reserve()