aboutsummaryrefslogtreecommitdiff
path: root/block/qcow2.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 71f870d..66ca12f 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -799,7 +799,7 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState *bs,
}
ret = qcow2_alloc_cluster_offset(bs, sector_num << 9,
- index_in_cluster, n_end, &cur_nr_sectors, l2meta);
+ index_in_cluster, n_end, &cur_nr_sectors, &cluster_offset, l2meta);
if (ret < 0) {
goto fail;
}
@@ -809,7 +809,6 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState *bs,
qcow2_mark_dirty(bs);
}
- cluster_offset = l2meta->cluster_offset;
assert((cluster_offset & 511) == 0);
qemu_iovec_reset(&hd_qiov);
@@ -1132,6 +1131,7 @@ static int preallocate(BlockDriverState *bs)
{
uint64_t nb_sectors;
uint64_t offset;
+ uint64_t host_offset = 0;
int num;
int ret;
QCowL2Meta meta;
@@ -1139,18 +1139,18 @@ static int preallocate(BlockDriverState *bs)
nb_sectors = bdrv_getlength(bs) >> 9;
offset = 0;
qemu_co_queue_init(&meta.dependent_requests);
- meta.cluster_offset = 0;
while (nb_sectors) {
num = MIN(nb_sectors, INT_MAX >> 9);
- ret = qcow2_alloc_cluster_offset(bs, offset, 0, num, &num, &meta);
+ ret = qcow2_alloc_cluster_offset(bs, offset, 0, num, &num,
+ &host_offset, &meta);
if (ret < 0) {
return ret;
}
ret = qcow2_alloc_cluster_link_l2(bs, &meta);
if (ret < 0) {
- qcow2_free_any_clusters(bs, meta.cluster_offset, meta.nb_clusters);
+ qcow2_free_any_clusters(bs, meta.alloc_offset, meta.nb_clusters);
return ret;
}
@@ -1169,10 +1169,10 @@ static int preallocate(BlockDriverState *bs)
* all of the allocated clusters (otherwise we get failing reads after
* EOF). Extend the image to the last allocated sector.
*/
- if (meta.cluster_offset != 0) {
+ if (host_offset != 0) {
uint8_t buf[512];
memset(buf, 0, 512);
- ret = bdrv_write(bs->file, (meta.cluster_offset >> 9) + num - 1, buf, 1);
+ ret = bdrv_write(bs->file, (host_offset >> 9) + num - 1, buf, 1);
if (ret < 0) {
return ret;
}