These two APIs are introduced for using AioContext wide
IO submission as batch.
Signed-off-by: Ming Lei <ming....@canonical.com>
---
block.c | 16 ++++++++++++++++
include/block/block.h | 3 +++
2 files changed, 19 insertions(+)
diff --git a/block.c b/block.c
index dacd881..0200af0 100644
--- a/block.c
+++ b/block.c
@@ -5901,6 +5901,22 @@ void bdrv_io_unplug(BlockDriverState *bs)
}
}
+bool bdrv_aio_io_plug(AioContext *aio_ctx)
+{
+ if (aio_ctx->master_aio_bs) {
+ bdrv_io_plug(aio_ctx->master_aio_bs);
+ return true;
+ }
+ return false;
+}
+
+void bdrv_aio_io_unplug(AioContext *aio_ctx)
+{
+ if (aio_ctx->master_aio_bs) {
+ bdrv_io_unplug(aio_ctx->master_aio_bs);
+ }
+}
+
void bdrv_flush_io_queue(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
diff --git a/include/block/block.h b/include/block/block.h
index 13e4537..aae6b66 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -541,6 +541,9 @@ void bdrv_io_plug(BlockDriverState *bs);
void bdrv_io_unplug(BlockDriverState *bs);
void bdrv_flush_io_queue(BlockDriverState *bs);
+bool bdrv_aio_io_plug(AioContext *aio_ctx);
+void bdrv_aio_io_unplug(AioContext *aio_ctx);
+
BlockAcctStats *bdrv_get_stats(BlockDriverState *bs);
#endif
--
1.7.9.5
