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[Qemu-devel] [PULL 3/4] iscsi: ignore flushes on scsi-generic devices
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 3/4] iscsi: ignore flushes on scsi-generic devices |
Date: |
Thu, 3 Apr 2014 13:12:20 +0200 |
Non-block SCSI devices do not support flushing, but we may still send
them requests via bdrv_flush_all. Just ignore them.
Reviewed-by: Peter Lieven <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
block/iscsi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block/iscsi.c b/block/iscsi.c
index 2f96a8e..e68aa0f 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -417,6 +417,10 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState
*bs)
IscsiLun *iscsilun = bs->opaque;
struct IscsiTask iTask;
+ if (bs->sg) {
+ return 0;
+ }
+
iscsi_co_init_iscsitask(iscsilun, &iTask);
retry:
--
1.9.0