diff options
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 99346be5a7ca..2d6879392ae3 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -409,6 +409,9 @@ enum { SETFEATURES_WC_ON = 0x02, /* Enable write cache */ SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ + SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */ + SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */ + /* Enable/Disable Automatic Acoustic Management */ SETFEATURES_AAM_ON = 0x42, SETFEATURES_AAM_OFF = 0xC2, |