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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>
This commit is contained in:
David Sterba 2014-06-15 00:51:19 +02:00
parent 6197d86eab
commit 453848a05f
1 changed files with 2 additions and 10 deletions
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12
fs/btrfs/relocation.c
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@ -2857,15 +2857,6 @@ static int get_tree_block_key(struct reloc_control *rc,
return 0;
}
static int reada_tree_block(struct reloc_control *rc,
struct tree_block *block)
{
BUG_ON(block->key_ready);
readahead_tree_block(rc->extent_root, block->bytenr,
block->key.objectid);
return 0;
}
/*
* helper function to relocate a tree block
*/
@ -2945,7 +2936,8 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
while (rb_node) {
block = rb_entry(rb_node, struct tree_block, rb_node);
if (!block->key_ready)
reada_tree_block(rc, block);
readahead_tree_block(rc->extent_root, block->bytenr,
block->key.objectid);
rb_node = rb_next(rb_node);
}