commit f51750d5eab50f0db5396a5ca30d5bafc038c263
author Alan Cox <alan@lxorguk.ukuu.org.uk> Mon Nov 07 17:06:33 2005 +0000
committer Jeff Garzik <jgarzik@pobox.com> Thu Nov 10 07:30:37 2005 -0500
tree d81fd11e7acd0bbc6c273ef80603867c0c28333b
parent 3b44f137b9a846c5452d9e6e1271b79b1dbcc942

[PATCH] libata: Note a nasty ATA quirk

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/scsi/libata-scsi.c

diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index bb30fcd..7e37f48 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1129,6 +1129,8 @@
 		 * length 0 means transfer 0 block of data.
 		 * However, for ATA R/W commands, sector count 0 means
 		 * 256 or 65536 sectors, not 0 sectors as in SCSI.
+		 *
+		 * WARNING: one or two older ATA drives treat 0 as 0...
 		 */
 		goto nothing_to_do;