return l2_offset;
}
- /* update the L1 entry */
-
- s->l1_table[l1_index] = l2_offset | QCOW_OFLAG_COPIED;
- ret = write_l1_entry(bs, l1_index);
- if (ret < 0) {
- return ret;
- }
-
/* allocate a new entry in the l2 cache */
min_index = l2_cache_new_entry(bs);
ret = bdrv_pread(bs->file, old_l2_offset, l2_table,
s->l2_size * sizeof(uint64_t));
if (ret < 0) {
- return ret;
+ goto fail;
}
}
/* write the l2 table to the file */
ret = bdrv_pwrite(bs->file, l2_offset, l2_table,
s->l2_size * sizeof(uint64_t));
if (ret < 0) {
- return ret;
+ goto fail;
+ }
+
+ /* update the L1 entry */
+ s->l1_table[l1_index] = l2_offset | QCOW_OFLAG_COPIED;
+ ret = write_l1_entry(bs, l1_index);
+ if (ret < 0) {
+ goto fail;
}
/* update the l2 cache entry */
*table = l2_table;
return 0;
+
+fail:
+ qcow2_l2_cache_reset(bs);
+ return ret;
}
static int count_contiguous_clusters(uint64_t nb_clusters, int cluster_size,