btrfs: inline code of reada_tree_block and remove it
It's trivial with a single user. And remove one pointless BUG_ON. Signed-off-by: David Sterba <dsterba@suse.cz>
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@ -2857,15 +2857,6 @@ static int get_tree_block_key(struct reloc_control *rc,
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return 0;
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}
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static int reada_tree_block(struct reloc_control *rc,
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struct tree_block *block)
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{
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BUG_ON(block->key_ready);
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readahead_tree_block(rc->extent_root, block->bytenr,
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block->key.objectid);
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return 0;
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}
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/*
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* helper function to relocate a tree block
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*/
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@ -2945,7 +2936,8 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
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while (rb_node) {
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block = rb_entry(rb_node, struct tree_block, rb_node);
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if (!block->key_ready)
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reada_tree_block(rc, block);
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readahead_tree_block(rc->extent_root, block->bytenr,
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block->key.objectid);
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rb_node = rb_next(rb_node);
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}
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