Revision e304e8e5
| b/block/vmdk.c | ||
|---|---|---|
| 813 | 813 |
|
| 814 | 814 |
static int vmdk_L2update(VmdkExtent *extent, VmdkMetaData *m_data) |
| 815 | 815 |
{
|
| 816 |
uint32_t offset; |
|
| 817 |
QEMU_BUILD_BUG_ON(sizeof(offset) != sizeof(m_data->offset)); |
|
| 818 |
offset = cpu_to_le32(m_data->offset); |
|
| 816 | 819 |
/* update L2 table */ |
| 817 | 820 |
if (bdrv_pwrite_sync( |
| 818 | 821 |
extent->file, |
| 819 | 822 |
((int64_t)m_data->l2_offset * 512) |
| 820 | 823 |
+ (m_data->l2_index * sizeof(m_data->offset)), |
| 821 |
&(m_data->offset), |
|
| 822 |
sizeof(m_data->offset) |
|
| 823 |
) < 0) {
|
|
| 824 |
&offset, sizeof(offset)) < 0) {
|
|
| 824 | 825 |
return VMDK_ERROR; |
| 825 | 826 |
} |
| 826 | 827 |
/* update backup L2 table */ |
| ... | ... | |
| 830 | 831 |
extent->file, |
| 831 | 832 |
((int64_t)m_data->l2_offset * 512) |
| 832 | 833 |
+ (m_data->l2_index * sizeof(m_data->offset)), |
| 833 |
&(m_data->offset), sizeof(m_data->offset) |
|
| 834 |
) < 0) {
|
|
| 834 |
&offset, sizeof(offset)) < 0) {
|
|
| 835 | 835 |
return VMDK_ERROR; |
| 836 | 836 |
} |
| 837 | 837 |
} |
| ... | ... | |
| 848 | 848 |
{
|
| 849 | 849 |
unsigned int l1_index, l2_offset, l2_index; |
| 850 | 850 |
int min_index, i, j; |
| 851 |
uint32_t min_count, *l2_table, tmp = 0;
|
|
| 851 |
uint32_t min_count, *l2_table; |
|
| 852 | 852 |
bool zeroed = false; |
| 853 | 853 |
|
| 854 | 854 |
if (m_data) {
|
| ... | ... | |
| 924 | 924 |
} |
| 925 | 925 |
|
| 926 | 926 |
*cluster_offset >>= 9; |
| 927 |
tmp = cpu_to_le32(*cluster_offset); |
|
| 928 |
l2_table[l2_index] = tmp; |
|
| 927 |
l2_table[l2_index] = cpu_to_le32(*cluster_offset); |
|
| 929 | 928 |
|
| 930 | 929 |
/* First of all we write grain itself, to avoid race condition |
| 931 | 930 |
* that may to corrupt the image. |
| ... | ... | |
| 938 | 937 |
} |
| 939 | 938 |
|
| 940 | 939 |
if (m_data) {
|
| 941 |
m_data->offset = tmp;
|
|
| 940 |
m_data->offset = *cluster_offset;
|
|
| 942 | 941 |
m_data->l1_index = l1_index; |
| 943 | 942 |
m_data->l2_index = l2_index; |
| 944 | 943 |
m_data->l2_offset = l2_offset; |
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