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-rw-r--r--block/block-backend.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index ef16d7356a..d00c129f15 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -260,9 +260,6 @@ int blk_attach_dev(BlockBackend *blk, void *dev)
     blk_ref(blk);
     blk->dev = dev;
     bdrv_iostatus_reset(blk->bs);
-
-    /* We're expecting I/O from the device so bump up coroutine pool size */
-    qemu_coroutine_adjust_pool_size(COROUTINE_POOL_RESERVATION);
     return 0;
 }
 
@@ -290,7 +287,6 @@ void blk_detach_dev(BlockBackend *blk, void *dev)
     blk->dev_ops = NULL;
     blk->dev_opaque = NULL;
     bdrv_set_guest_block_size(blk->bs, 512);
-    qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION);
     blk_unref(blk);
 }