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SCSI emulation: should tell the guest that we actually support thin provisioning 

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
[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 <pbonzini@redhat.com>
master
Ronnie Sahlberg 2012-04-19 20:41:17 +10:00 committed by Paolo Bonzini
parent c9e4d8284e
commit f644a2904d
1 changed files with 1 additions and 1 deletions
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2
hw/scsi-disk.c
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@ -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;
}