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vhdx: Fix zero-fill iov length

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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 <kwolf@redhat.com>
Acked-by: Jeff Cody <jcody@redhat.com>
This commit is contained in:
Kevin Wolf 2015-04-14 16:36:16 +02:00
parent 8eedfbd4a5
commit d1a126c53d
1 changed files with 2 additions and 2 deletions
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4
block/vhdx.c
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@ -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;
}
}