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[Qemu-devel] [RFC PATCH 3/4] qcow2: implement bdrv_zero_init
From: |
Hu Tao |
Subject: |
[Qemu-devel] [RFC PATCH 3/4] qcow2: implement bdrv_zero_init |
Date: |
Tue, 12 Nov 2013 15:47:21 +0800 |
Signed-off-by: Hu Tao <address@hidden>
---
block/qcow2.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/block/qcow2.c b/block/qcow2.c
index 6e5d98d..359030f 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2180,6 +2180,12 @@ static int qcow2_amend_options(BlockDriverState *bs,
return 0;
}
+static int qcow2_zero_init(BlockDriverState *bs, int64_t offset,
+ int64_t length)
+{
+ return bdrv_zero_init(bs->file, offset, length);
+}
+
static QEMUOptionParameter qcow2_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -2234,6 +2240,7 @@ static BlockDriver bdrv_qcow2 = {
.bdrv_reopen_prepare = qcow2_reopen_prepare,
.bdrv_create = qcow2_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
+ .bdrv_zero_init = qcow2_zero_init,
.bdrv_co_get_block_status = qcow2_co_get_block_status,
.bdrv_set_key = qcow2_set_key,
.bdrv_make_empty = qcow2_make_empty,
--
1.8.3.1