[PATCH] multipath-tools: add a comment about DASD arrays vendors

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vendorid for DASD devices is always identified as "IBM",
but EMC or HITACHI/HPE arrays are also supported.

Cc: Stefan Haberland <sth@xxxxxxxxxxxxx>
Cc: Nigel Hislop <hislop_nigel@xxxxxxx>
Cc: Matthias Rudolph <Matthias.Rudolph@xxxxxxxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Martin Wilck <mwilck@xxxxxxxx>
Cc: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx>
Cc: S390-ML <linux-s390@xxxxxxxxxxxxxxx>
Cc: DM-DEVEL-ML <dm-devel@xxxxxxxxxxxxxxx> 
Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx>
---
 libmultipath/discovery.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index c4bc6df6..a2fe28eb 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -1669,6 +1669,7 @@ ccw_sysfs_pathinfo (struct path *pp, const struct vector_s *hwtable)
 	if (!parent)
 		return PATHINFO_FAILED;
 
+	// Identified as IBM, but EMC or HITACHI/HPE arrays are also supported
 	sprintf(pp->vendor_id, "IBM");
 
 	condlog(3, "%s: vendor = %s", pp->dev, pp->vendor_id);
-- 
2.50.1





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