qcow2: Batch discards

[qemu.git] / block / qcow2.c

diff --git a/block/qcow2.c b/block/qcow2.c
index ef8a2cac395b78126c122e75cdff9cee8623439f..9383990193f66f3cef384e80f0707a1b0e892408 100644 (file)
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -486,6 +486,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags)
     }
 
     QLIST_INIT(&s->cluster_allocs);
+    QTAILQ_INIT(&s->discards);
 
     /* read qcow2 extensions */
     if (qcow2_read_extensions(bs, header.header_length, ext_end, NULL)) {