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-rw-r--r--include/block/block.h3
-rw-r--r--include/block/block_int.h9
2 files changed, 12 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 2c235a2..a9b7f03 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -849,4 +849,7 @@ int coroutine_fn bdrv_co_copy_range(BdrvChild *src, int64_t src_offset,
BdrvChild *dst, int64_t dst_offset,
int64_t bytes, BdrvRequestFlags read_flags,
BdrvRequestFlags write_flags);
+
+void bdrv_cancel_in_flight(BlockDriverState *bs);
+
#endif
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 22a2789..88e4111 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -353,6 +353,15 @@ struct BlockDriver {
int64_t *map, BlockDriverState **file);
/*
+ * This informs the driver that we are no longer interested in the result
+ * of in-flight requests, so don't waste the time if possible.
+ *
+ * One example usage is to avoid waiting for an nbd target node reconnect
+ * timeout during job-cancel.
+ */
+ void (*bdrv_cancel_in_flight)(BlockDriverState *bs);
+
+ /*
* Invalidate any cached meta-data.
*/
void coroutine_fn (*bdrv_co_invalidate_cache)(BlockDriverState *bs,