Btrfs: Make sure nodes have enough room for a double split
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -1146,7 +1146,7 @@ again:
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slot -= 1;
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p->slots[level] = slot;
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if (ins_len > 0 && btrfs_header_nritems(b) >=
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BTRFS_NODEPTRS_PER_BLOCK(root) - 1) {
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BTRFS_NODEPTRS_PER_BLOCK(root) - 3) {
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int sret = split_node(trans, root, p, level);
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BUG_ON(sret > 0);
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if (sret)
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