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[Qemu-block] [PATCH 2/2] vhdx: Fix zero-fill iov length


From: Kevin Wolf
Subject: [Qemu-block] [PATCH 2/2] vhdx: Fix zero-fill iov length
Date: Wed, 15 Apr 2015 11:27:26 +0200

Fix the length of the zero-fill for the back, which was accidentally
using the same value as for the front. This is caught by qemu-iotests
033.

For consistency, change the code for the front as well to use the length
stored in the iov (it is the same value, copied four lines above).

Signed-off-by: Kevin Wolf <address@hidden>
---
 block/vhdx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/vhdx.c b/block/vhdx.c
index bb3ed45..e24062f 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -1269,7 +1269,7 @@ static coroutine_fn int vhdx_co_writev(BlockDriverState 
*bs, int64_t sector_num,
                         iov1.iov_base = qemu_blockalign(bs, iov1.iov_len);
                         memset(iov1.iov_base, 0, iov1.iov_len);
                         qemu_iovec_concat_iov(&hd_qiov, &iov1, 1, 0,
-                                              sinfo.block_offset);
+                                              iov1.iov_len);
                         sectors_to_write += iov1.iov_len >> BDRV_SECTOR_BITS;
                     }
 
@@ -1285,7 +1285,7 @@ static coroutine_fn int vhdx_co_writev(BlockDriverState 
*bs, int64_t sector_num,
                         iov2.iov_base = qemu_blockalign(bs, iov2.iov_len);
                         memset(iov2.iov_base, 0, iov2.iov_len);
                         qemu_iovec_concat_iov(&hd_qiov, &iov2, 1, 0,
-                                              sinfo.block_offset);
+                                              iov2.iov_len);
                         sectors_to_write += iov2.iov_len >> BDRV_SECTOR_BITS;
                     }
                 }
-- 
1.8.3.1




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