Commit 98e6b1eb authored Sep 12, 2018 by Liu Bo Committed by David Sterba Oct 15, 2018

Btrfs: remove unnecessary level check in balance_level



In the callchain:

btrfs_search_slot()
   if (level != 0)
      setup_nodes_for_search()
          balance_level()

It is just impossible to have level=0 in balance_level, we can drop the
check.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 3cf5068f

fs/btrfs/ctree.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1815,8 +1815,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
		int orig_slot = path->slots[level];
		u64 orig_ptr;

		if (level == 0)
		return 0;
		ASSERT(level > 0);

		mid = path->nodes[level];

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