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-rw-r--r--block/qcow2-cache.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 904f6b1..b115549 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -253,7 +253,9 @@ static int qcow2_cache_find_entry_to_replace(Qcow2Cache *c)
/* Give newer hits priority */
/* TODO Check how to optimize the replacement strategy */
- c->entries[i].cache_hits /= 2;
+ if (c->entries[i].cache_hits > 1) {
+ c->entries[i].cache_hits /= 2;
+ }
}
if (min_index == -1) {