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-rw-r--r--block/block-backend.c4
-rw-r--r--include/block/coroutine.h10
-rw-r--r--qemu-coroutine.c4
3 files changed, 0 insertions, 18 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);
}
diff --git a/include/block/coroutine.h b/include/block/coroutine.h
index 793df0ef8b..20c027a7fd 100644
--- a/include/block/coroutine.h
+++ b/include/block/coroutine.h
@@ -216,14 +216,4 @@ void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type,
*/
void coroutine_fn yield_until_fd_readable(int fd);
-/**
- * Add or subtract from the coroutine pool size
- *
- * The coroutine implementation keeps a pool of coroutines to be reused by
- * qemu_coroutine_create(). This makes coroutine creation cheap. Heavy
- * coroutine users should call this to reserve pool space. Call it again with
- * a negative number to release pool space.
- */
-void qemu_coroutine_adjust_pool_size(int n);
-
#endif /* QEMU_COROUTINE_H */
diff --git a/qemu-coroutine.c b/qemu-coroutine.c
index 93fddc7dfb..da1b9615d0 100644
--- a/qemu-coroutine.c
+++ b/qemu-coroutine.c
@@ -143,7 +143,3 @@ void coroutine_fn qemu_coroutine_yield(void)
self->caller = NULL;
coroutine_swap(self, to);
}
-
-void qemu_coroutine_adjust_pool_size(int n)
-{
-}