sched: tune multi-core idle balancing

[linux-2.6-block.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2e098f940cec74083142d07a017522261b526c5e..a05f600136426c74455f2739169be4fec4c9497f 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -138,6 +138,7 @@ enum {
        ATA_DFLAG_AN            = (1 << 7), /* AN configured */
        ATA_DFLAG_HIPM          = (1 << 8), /* device supports HIPM */
        ATA_DFLAG_DIPM          = (1 << 9), /* device supports DIPM */
+       ATA_DFLAG_DMADIR        = (1 << 10), /* device requires DMADIR */
        ATA_DFLAG_CFG_MASK      = (1 << 12) - 1,
 
        ATA_DFLAG_PIO           = (1 << 12), /* device limited to PIO mode */
@@ -1197,7 +1198,7 @@ static inline struct ata_link *ata_port_next_link(struct ata_link *link)
                return ap->pmp_link;
        }
 
-       if (++link - ap->pmp_link < ap->nr_pmp_links)
+       if (++link < ap->nr_pmp_links + ap->pmp_link)
                return link;
        return NULL;
 }