[PATCH] mark several libata datastructures const
Hi,
the patch below marks several libata (and libata-driver) structures
const so that they end up in the .rodata segment and don't false-share
cachelines with things that get dirtied often.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index a8987f5..6b9c3ae 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -170,7 +170,7 @@
.bmdma_status = qs_bmdma_status,
};
-static struct ata_port_info qs_port_info[] = {
+static const struct ata_port_info qs_port_info[] = {
/* board_2068_idx */
{
.sht = &qs_ata_sht,