Revision 6d59fec1 block.c
| b/block.c | ||
|---|---|---|
| 930 | 930 |
bit = start % (sizeof(unsigned long) * 8); |
| 931 | 931 |
val = bs->dirty_bitmap[idx]; |
| 932 | 932 |
if (dirty) {
|
| 933 |
if (!(val & (1 << bit))) {
|
|
| 933 |
if (!(val & (1UL << bit))) {
|
|
| 934 | 934 |
bs->dirty_count++; |
| 935 |
val |= 1 << bit; |
|
| 935 |
val |= 1UL << bit;
|
|
| 936 | 936 |
} |
| 937 | 937 |
} else {
|
| 938 |
if (val & (1 << bit)) {
|
|
| 938 |
if (val & (1UL << bit)) {
|
|
| 939 | 939 |
bs->dirty_count--; |
| 940 |
val &= ~(1 << bit); |
|
| 940 |
val &= ~(1UL << bit);
|
|
| 941 | 941 |
} |
| 942 | 942 |
} |
| 943 | 943 |
bs->dirty_bitmap[idx] = val; |
| ... | ... | |
| 2685 | 2685 |
|
| 2686 | 2686 |
if (bs->dirty_bitmap && |
| 2687 | 2687 |
(sector << BDRV_SECTOR_BITS) < bdrv_getlength(bs)) {
|
| 2688 |
return bs->dirty_bitmap[chunk / (sizeof(unsigned long) * 8)] & |
|
| 2689 |
(1 << (chunk % (sizeof(unsigned long) * 8)));
|
|
| 2688 |
return !!(bs->dirty_bitmap[chunk / (sizeof(unsigned long) * 8)] &
|
|
| 2689 |
(1UL << (chunk % (sizeof(unsigned long) * 8))));
|
|
| 2690 | 2690 |
} else {
|
| 2691 | 2691 |
return 0; |
| 2692 | 2692 |
} |
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