GTF_writing 290 drivers/xen/grant-table.c return gnttab_shared.v1[ref].flags & (GTF_reading|GTF_writing); GTF_writing 295 drivers/xen/grant-table.c return grstatus[ref] & (GTF_reading|GTF_writing); GTF_writing 313 drivers/xen/grant-table.c if (flags & (GTF_reading|GTF_writing)) GTF_writing 324 drivers/xen/grant-table.c if (grstatus[ref] & (GTF_reading|GTF_writing)) {