diff options
Diffstat (limited to 'block/qcow2-cache.c')
| -rw-r--r-- | block/qcow2-cache.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c index 2f3114ecc2..7bcae09a69 100644 --- a/block/qcow2-cache.c +++ b/block/qcow2-cache.c @@ -115,6 +115,23 @@ static int qcow2_cache_entry_flush(BlockDriverState *bs, Qcow2Cache *c, int i) } if (c == s->refcount_block_cache) { + ret = qcow2_pre_write_overlap_check(bs, + QCOW2_OL_DEFAULT & ~QCOW2_OL_REFCOUNT_BLOCK, + c->entries[i].offset, s->cluster_size); + } else if (c == s->l2_table_cache) { + ret = qcow2_pre_write_overlap_check(bs, + QCOW2_OL_DEFAULT & ~QCOW2_OL_ACTIVE_L2, + c->entries[i].offset, s->cluster_size); + } else { + ret = qcow2_pre_write_overlap_check(bs, QCOW2_OL_DEFAULT, + c->entries[i].offset, s->cluster_size); + } + + if (ret < 0) { + return ret; + } + + if (c == s->refcount_block_cache) { BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_UPDATE_PART); } else if (c == s->l2_table_cache) { BLKDBG_EVENT(bs->file, BLKDBG_L2_UPDATE); |