From f644a2904d5287332e4007f30c105a8622fb3db8 Mon Sep 17 00:00:00 2001 From: Ronnie Sahlberg Date: Thu, 19 Apr 2012 20:41:17 +1000 Subject: [PATCH] SCSI emulation: should tell the guest that we actually support thin provisioning Signed-off-by: Ronnie Sahlberg [Actually, we should report it only if discard_granularity is nonzero. Older SBC drafts assigned 0 to thin provisioning and 1 to thick (resource-provisioned, they call it). Newer drafts assign respectively 1 and 2 - Paolo] Signed-off-by: Paolo Bonzini --- hw/scsi-disk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 85a75c4b29..a029ab6e84 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -628,7 +628,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) outbuf[3] = buflen = 8; outbuf[4] = 0; outbuf[5] = 0x60; /* write_same 10/16 supported */ - outbuf[6] = 0; + outbuf[6] = s->qdev.conf.discard_granularity ? 2 : 1; outbuf[7] = 0; break; }