Parents must be same after going through ref_for_same_block.
Signed-off-by: Liu Bo <bo.li....@oracle.com>
---
fs/btrfs/backref.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index f318793..9aaa38e6 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -469,11 +469,6 @@ static int __merge_refs(struct list_head *head, int mode)
if (mode == 1) {
if (!ref_for_same_block(ref1, ref2))
continue;
- if (!ref1->parent && ref2->parent) {
- xchg = ref1;
- ref1 = ref2;
- ref2 = xchg;
- }
ref1->count += ref2->count;
} else {
if (ref1->parent != ref2->parent)
@@ -483,7 +478,6 @@ static int __merge_refs(struct list_head *head, int mode)
list_del(&ref2->list);
kfree(ref2);
}
-
}
return 0;
}
--
1.7.7.6
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