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authorPaolo Bonzini <pbonzini@redhat.com>2014-04-02 15:04:41 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-04-03 13:10:45 +0200
commitb2f9c08a4f11f16ec101e95feab8e71d7cfcfee9 (patch)
tree3ff712a2e8e452c388267a89b9a348aee8a8a8a7
parent27898a5daa4c6d28adb32b401a011d7198494482 (diff)
iscsi: ignore flushes on scsi-generic devices
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 <pl@kamp.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--block/iscsi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index 2f96a8e037..e68aa0ffde 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: