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[Qemu-devel] [PATCH 04/11] scsi-disk: catch write protection errors in U
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 04/11] scsi-disk: catch write protection errors in UNMAP |
Date: |
Tue, 12 Nov 2013 16:49:42 +0100 |
This is the same that is already done for WRITE SAME.
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi/scsi-disk.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 74e6a14..4138268 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -1543,6 +1543,7 @@ done:
static void scsi_disk_emulate_unmap(SCSIDiskReq *r, uint8_t *inbuf)
{
+ SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint8_t *p = inbuf;
int len = r->req.cmd.xfer;
UnmapCBData *data;
@@ -1560,6 +1561,11 @@ static void scsi_disk_emulate_unmap(SCSIDiskReq *r,
uint8_t *inbuf)
goto invalid_param_len;
}
+ if (bdrv_is_read_only(s->qdev.conf.bs)) {
+ scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
+ return;
+ }
+
data = g_new0(UnmapCBData, 1);
data->r = r;
data->inbuf = &p[8];
--
1.8.4.2
- [Qemu-devel] [PATCH 00/11] block & scsi: write_zeroes support through the whole stack, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 03/11] block: add bdrv_aio_write_zeroes, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 04/11] scsi-disk: catch write protection errors in UNMAP,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 02/11] block: add flags to BlockRequest, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 01/11] block: generalize BlockLimits handling to cover bdrv_aio_discard too, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 06/11] scsi-disk: correctly implement WRITE SAME, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 07/11] block: handle ENOTSUP from discard in generic code, Paolo Bonzini, 2013/11/12
- [Qemu-devel] [PATCH 08/11] raw-posix: implement write_zeroes with MAY_UNMAP for files, Paolo Bonzini, 2013/11/12