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Diffstat (limited to 'block/vmdk.c')
-rw-r--r--block/vmdk.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 1c5e2ef1b3..b66745dfdd 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -451,7 +451,8 @@ static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent,
Error **errp)
{
int ret;
- int l1_size, i;
+ size_t l1_size;
+ int i;
/* read the L1 table */
l1_size = extent->l1_size * sizeof(uint32_t);
@@ -1302,6 +1303,8 @@ static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
uLongf buf_len;
const uint8_t *write_buf = buf;
int write_len = nb_sectors * 512;
+ int64_t write_offset;
+ int64_t write_end_sector;
if (extent->compressed) {
if (!extent->has_marker) {
@@ -1320,10 +1323,14 @@ static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
write_buf = (uint8_t *)data;
write_len = buf_len + sizeof(VmdkGrainMarker);
}
- ret = bdrv_pwrite(extent->file,
- cluster_offset + offset_in_cluster,
- write_buf,
- write_len);
+ write_offset = cluster_offset + offset_in_cluster,
+ ret = bdrv_pwrite(extent->file, write_offset, write_buf, write_len);
+
+ write_end_sector = DIV_ROUND_UP(write_offset + write_len, BDRV_SECTOR_SIZE);
+
+ extent->next_cluster_sector = MAX(extent->next_cluster_sector,
+ write_end_sector);
+
if (ret != write_len) {
ret = ret < 0 ? ret : -EIO;
goto out;