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-rw-r--r--block/io.c15
-rw-r--r--include/block/block-io.h1
2 files changed, 0 insertions, 16 deletions
diff --git a/block/io.c b/block/io.c
index 789e6373d5..1e9bf09a49 100644
--- a/block/io.c
+++ b/block/io.c
@@ -588,21 +588,6 @@ void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_parent)
BDRV_POLL_WHILE(child->bs, qatomic_read(&drained_end_counter) > 0);
}
-/*
- * Wait for pending requests to complete on a single BlockDriverState subtree,
- * and suspend block driver's internal I/O until next request arrives.
- *
- * Note that unlike bdrv_drain_all(), the caller must hold the BlockDriverState
- * AioContext.
- */
-void coroutine_fn bdrv_co_drain(BlockDriverState *bs)
-{
- IO_OR_GS_CODE();
- assert(qemu_in_coroutine());
- bdrv_drained_begin(bs);
- bdrv_drained_end(bs);
-}
-
void bdrv_drain(BlockDriverState *bs)
{
IO_OR_GS_CODE();
diff --git a/include/block/block-io.h b/include/block/block-io.h
index 62c84f0519..053a27141a 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -270,7 +270,6 @@ void bdrv_drained_end_no_poll(BlockDriverState *bs, int *drained_end_counter);
cond); })
void bdrv_drain(BlockDriverState *bs);
-void coroutine_fn bdrv_co_drain(BlockDriverState *bs);
int generated_co_wrapper
bdrv_truncate(BdrvChild *child, int64_t offset, bool exact,