Date: Wed, 12 Aug 2009 17:09:15 +0100
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: xen-devel@lists.xensource.com
Message-ID: <alpine.DEB.2.00.0908121705330.10516@kaball-desktop>
Subject: [Xen-devel] [PATCH] fix qemu memory leak

Hi all,
the qemu block interface leaks memory every time a read or write request
is issued, this patch fixes it.
This is also the bug that is causing stubdomains to crash under high
disk IO.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

---

diff --git a/block.c b/block.c
index 36f5eb9..6ce453c 100644
--- a/tools/ioemu-qemu-xen/block.c
+++ b/tools/ioemu-qemu-xen/block.c
@@ -1378,6 +1378,7 @@ static void bdrv_aio_rw_vector_cb(void *opaque, int ret)
     qemu_vfree(s->bounce);
     s->this_aiocb->cb(s->this_aiocb->opaque, ret);
     qemu_aio_release(s->this_aiocb);
+    qemu_free(s);
 }
 
 static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel