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-rw-r--r--block/dirty-bitmap.c2
-rw-r--r--block/qcow2-bitmap.c14
2 files changed, 9 insertions, 7 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index ee164fb..755555a 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -175,7 +175,7 @@ void bdrv_release_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap)
int64_t bdrv_dirty_bitmap_size(const BdrvDirtyBitmap *bitmap)
{
- return bitmap->size;
+ return bitmap->size * BDRV_SECTOR_SIZE;
}
const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap)
diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
index 1fc375b..9c185b5 100644
--- a/block/qcow2-bitmap.c
+++ b/block/qcow2-bitmap.c
@@ -295,10 +295,11 @@ static int load_bitmap_data(BlockDriverState *bs,
BDRVQcow2State *s = bs->opaque;
uint64_t sector, sbc;
uint64_t bm_size = bdrv_dirty_bitmap_size(bitmap);
+ uint64_t bm_sectors = DIV_ROUND_UP(bm_size, BDRV_SECTOR_SIZE);
uint8_t *buf = NULL;
uint64_t i, tab_size =
size_to_clusters(s,
- bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_size));
+ bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_sectors));
if (tab_size != bitmap_table_size || tab_size > BME_MAX_TABLE_SIZE) {
return -EINVAL;
@@ -307,7 +308,7 @@ static int load_bitmap_data(BlockDriverState *bs,
buf = g_malloc(s->cluster_size);
sbc = sectors_covered_by_bitmap_cluster(s, bitmap);
for (i = 0, sector = 0; i < tab_size; ++i, sector += sbc) {
- uint64_t count = MIN(bm_size - sector, sbc);
+ uint64_t count = MIN(bm_sectors - sector, sbc);
uint64_t entry = bitmap_table[i];
uint64_t offset = entry & BME_TABLE_ENTRY_OFFSET_MASK;
@@ -1077,13 +1078,14 @@ static uint64_t *store_bitmap_data(BlockDriverState *bs,
int64_t sector;
uint64_t sbc;
uint64_t bm_size = bdrv_dirty_bitmap_size(bitmap);
+ uint64_t bm_sectors = DIV_ROUND_UP(bm_size, BDRV_SECTOR_SIZE);
const char *bm_name = bdrv_dirty_bitmap_name(bitmap);
uint8_t *buf = NULL;
BdrvDirtyBitmapIter *dbi;
uint64_t *tb;
uint64_t tb_size =
size_to_clusters(s,
- bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_size));
+ bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_sectors));
if (tb_size > BME_MAX_TABLE_SIZE ||
tb_size * s->cluster_size > BME_MAX_PHYS_SIZE)
@@ -1101,7 +1103,7 @@ static uint64_t *store_bitmap_data(BlockDriverState *bs,
dbi = bdrv_dirty_iter_new(bitmap, 0);
buf = g_malloc(s->cluster_size);
sbc = sectors_covered_by_bitmap_cluster(s, bitmap);
- assert(DIV_ROUND_UP(bm_size, sbc) == tb_size);
+ assert(DIV_ROUND_UP(bm_sectors, sbc) == tb_size);
while ((sector = bdrv_dirty_iter_next(dbi)) != -1) {
uint64_t cluster = sector / sbc;
@@ -1109,7 +1111,7 @@ static uint64_t *store_bitmap_data(BlockDriverState *bs,
int64_t off;
sector = cluster * sbc;
- end = MIN(bm_size, sector + sbc);
+ end = MIN(bm_sectors, sector + sbc);
write_size =
bdrv_dirty_bitmap_serialization_size(bitmap, sector, end - sector);
assert(write_size <= s->cluster_size);
@@ -1141,7 +1143,7 @@ static uint64_t *store_bitmap_data(BlockDriverState *bs,
goto fail;
}
- if (end >= bm_size) {
+ if (end >= bm_sectors) {
break;
}