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-rw-r--r--fs/btrfs/transaction.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 6e256d9..fb5cd5a 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1387,6 +1387,8 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root)
spin_unlock(&fs_info->trans_lock);
while (!list_empty(&list)) {
+ int ret;
+
root = list_entry(list.next, struct btrfs_root, root_list);
list_del(&root->root_list);
@@ -1394,9 +1396,10 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root)
if (btrfs_header_backref_rev(root->node) <
BTRFS_MIXED_BACKREF_REV)
- btrfs_drop_snapshot(root, NULL, 0, 0);
+ ret = btrfs_drop_snapshot(root, NULL, 0, 0);
else
- btrfs_drop_snapshot(root, NULL, 1, 0);
+ ret =btrfs_drop_snapshot(root, NULL, 1, 0);
+ BUG_ON(ret < 0);
}
return 0;
}
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