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-rw-r--r--block/throttle.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/block/throttle.c b/block/throttle.c
index 0349f42257..71f4bb0ad1 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -207,12 +207,6 @@ static void throttle_reopen_abort(BDRVReopenState *reopen_state)
     reopen_state->opaque = NULL;
 }
 
-static bool throttle_recurse_is_first_non_filter(BlockDriverState *bs,
-                                                 BlockDriverState *candidate)
-{
-    return bdrv_recurse_is_first_non_filter(bs->file->bs, candidate);
-}
-
 static void coroutine_fn throttle_co_drain_begin(BlockDriverState *bs)
 {
     ThrottleGroupMember *tgm = bs->opaque;
@@ -252,8 +246,6 @@ static BlockDriver bdrv_throttle = {
     .bdrv_co_pwrite_zeroes              =   throttle_co_pwrite_zeroes,
     .bdrv_co_pdiscard                   =   throttle_co_pdiscard,
 
-    .bdrv_recurse_is_first_non_filter   =   throttle_recurse_is_first_non_filter,
-
     .bdrv_attach_aio_context            =   throttle_attach_aio_context,
     .bdrv_detach_aio_context            =   throttle_detach_aio_context,