2 files changed, 4 insertions, 13 deletions
diff --git a/block.c b/block.c
index da1fdca0e0..ea0f7d8367 100644
--- a/block.c
+++ b/block.c
@@ -3909,13 +3909,8 @@ void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs,
 {
     BlockDriverAIOCB *acb;
 
-    if (pool->free_aiocb) {
-        acb = pool->free_aiocb;
-        pool->free_aiocb = acb->next;
-    } else {
-        acb = g_malloc0(pool->aiocb_size);
-        acb->pool = pool;
-    }
+    acb = g_slice_alloc(pool->aiocb_size);
+    acb->pool = pool;
     acb->bs = bs;
     acb->cb = cb;
     acb->opaque = opaque;
@@ -3924,10 +3919,8 @@ void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs,
 
 void qemu_aio_release(void *p)
 {
-    BlockDriverAIOCB *acb = (BlockDriverAIOCB *)p;
-    AIOPool *pool = acb->pool;
-    acb->next = pool->free_aiocb;
-    pool->free_aiocb = acb;
+    BlockDriverAIOCB *acb = p;
+    g_slice_free1(acb->pool->aiocb_size, acb);
 }
 
 /**************************************************************/
diff --git a/qemu-aio.h b/qemu-aio.h
index 111b0b3f0a..b29c509f27 100644
--- a/qemu-aio.h
+++ b/qemu-aio.h
@@ -24,7 +24,6 @@ typedef void BlockDriverCompletionFunc(void *opaque, int ret);
 typedef struct AIOPool {
     void (*cancel)(BlockDriverAIOCB *acb);
     size_t aiocb_size;
-    BlockDriverAIOCB *free_aiocb;
 } AIOPool;
 
 struct BlockDriverAIOCB {
@@ -32,7 +31,6 @@ struct BlockDriverAIOCB {
     BlockDriverState *bs;
     BlockDriverCompletionFunc *cb;
     void *opaque;
-    BlockDriverAIOCB *next;
 };
 
 void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs,