It should be ATA_TAG_INTERNAL. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx> diff -pruN -X /home/yuasa/Memo/dontdiff linux-orig/include/linux/libata.h linux/include/linux/libata.h --- linux-orig/include/linux/libata.h 2008-02-28 13:29:13.659279943 +0900 +++ linux/include/linux/libata.h 2008-02-28 13:29:48.221249519 +0900 @@ -1123,7 +1123,7 @@ static inline unsigned int ata_tag_valid static inline unsigned int ata_tag_internal(unsigned int tag) { - return tag == ATA_MAX_QUEUE - 1; + return tag == ATA_TAG_INTERNAL; } /* - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html