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maple_tree: refine mab_calc_split function 

Invert the conditional judgment of the mid_split, to focus the return
statement in the last statement, which is easier to understand and for
better readability.

Link: https://lkml.kernel.org/r/20221221060058.609003-8-vernon2gm@gmail.com
Signed-off-by: Vernon Yang <vernon2gm@gmail.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vernon Yang 2022-12-21 14:00:58 +08:00 committed by Andrew Morton
parent 46b3458482
commit e11cb683b2
1 changed files with 2 additions and 3 deletions
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5
lib/maple_tree.c
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@ -1882,10 +1882,9 @@ static inline int mab_calc_split(struct ma_state *mas,
/* Avoid ending a node on a NULL entry */
split = mab_no_null_split(bn, split, slot_count);
if (!(*mid_split))
return split;
*mid_split = mab_no_null_split(bn, *mid_split, slot_count);
if (unlikely(*mid_split))
*mid_split = mab_no_null_split(bn, *mid_split, slot_count);
return split;
}