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scsi: report thin provisioning errors with werror=report 

SCSI defines a status code for when a thin-provisioned LUNs would
exceed the allocated space, map ENOSPC to it.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-01-23 13:57:21 +01:00
parent c5f52875b9
commit 703dd81aca
3 changed files with 10 additions and 0 deletions
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5
hw/scsi/scsi-bus.c
View File

@ -1367,6 +1367,11 @@ const struct SCSISense sense_code_WRITE_PROTECTED = {
.key = DATA_PROTECT, .asc = 0x27, .ascq = 0x00
};
/* Data Protection, Space Allocation Failed Write Protect */
const struct SCSISense sense_code_SPACE_ALLOC_FAILED = {
.key = DATA_PROTECT, .asc = 0x27, .ascq = 0x07
};
/*
* scsi_build_sense
*

3
hw/scsi/scsi-disk.c
View File

@ -428,6 +428,9 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error)
case EINVAL:
scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
break;
case ENOSPC:
scsi_check_condition(r, SENSE_CODE(SPACE_ALLOC_FAILED));
break;
default:
scsi_check_condition(r, SENSE_CODE(IO_ERROR));
break;

2
include/hw/scsi/scsi.h
View File

@ -223,6 +223,8 @@ extern const struct SCSISense sense_code_REPORTED_LUNS_CHANGED;
extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET;
/* Data Protection, Write Protected */
extern const struct SCSISense sense_code_WRITE_PROTECTED;
/* Data Protection, Space Allocation Failed Write Protect */
extern const struct SCSISense sense_code_SPACE_ALLOC_FAILED;
#define SENSE_CODE(x) sense_code_ ## x