Btrfs: balance btree more often
With the new back reference code, the cost of a balance has gone down in terms of the number of back reference updates done. This commit makes us more aggressively balance leaves and nodes as they become less full. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -1651,7 +1651,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans,
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}
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b = p->nodes[level];
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} else if (ins_len < 0 && btrfs_header_nritems(b) <
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BTRFS_NODEPTRS_PER_BLOCK(root) / 4) {
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BTRFS_NODEPTRS_PER_BLOCK(root) / 2) {
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int sret;
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sret = reada_for_balance(root, p, level);
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@ -3807,7 +3807,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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}
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/* delete the leaf if it is mostly empty */
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if (used < BTRFS_LEAF_DATA_SIZE(root) / 4) {
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if (used < BTRFS_LEAF_DATA_SIZE(root) / 2) {
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/* push_leaf_left fixes the path.
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* make sure the path still points to our leaf
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* for possible call to del_ptr below
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