Btrfs: minor comments
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -294,6 +294,10 @@ static int balance_level(struct btrfs_trans_handle *trans, struct btrfs_root
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parent_buf = path->nodes[level + 1];
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pslot = path->slots[level + 1];
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/*
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* deal with the case where there is only one pointer in the root
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* by promoting the node below to a root
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*/
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if (!parent_buf) {
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struct btrfs_buffer *child;
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u64 blocknr = mid_buf->blocknr;
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@ -1043,6 +1047,7 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
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int ret;
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int wret;
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/* first try to make some room by pushing left and right */
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wret = push_leaf_left(trans, root, path, data_size);
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if (wret < 0)
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return wret;
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