1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5ab4e3a76721..92abb497ab14 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -593,6 +593,7 @@ struct ata_host {
         struct device           *dev;
         void __iomem * const    *iomap;
         unsigned int            n_ports;
+        unsigned int            n_tags;                 /* nr of NCQ tags */
         void                    *private_data;
         struct ata_port_operations *ops;
         unsigned long           flags;