From: Fam Zheng <f...@redhat.com>
This allows AioContext users to check the enable/disable state of
external clients.
Signed-off-by: Fam Zheng <f...@redhat.com>
Message-id: 1446177989-6702-2-git-send-email-f...@redhat.com
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
include/block/aio.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/block/aio.h b/include/block/aio.h
index 92efc5e..cab7c76 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -406,6 +406,17 @@ static inline void aio_enable_external(AioContext *ctx)
}
/**
+ * aio_external_disabled:
+ * @ctx: the aio context
+ *
+ * Return true if the external clients are disabled.
+ */
+static inline bool aio_external_disabled(AioContext *ctx)
+{
+ return atomic_read(&ctx->external_disable_cnt);
+}
+
+/**
* aio_node_check:
* @ctx: the aio context
* @is_external: Whether or not the checked node is an external event source.
--
2.5.0
