tree c7b26ce41a9234e48bfc74514b960b9b38b40c5d
parent ea6633369458992241599c9d9ebadffaeddec164
author Coly Li <i@coly.li> 1298569919 -0500
committer Theodore Ts'o <tytso@mit.edu> 1298569919 -0500

ext4: code cleanup in mb_find_buddy()

Current code calculate max no matter whether order is zero, it's
unnecessary. This cleanup patch sets max to "1 << (e4b->bd_blkbits
+ 3)" only when order == 0.

Signed-off-by: Coly Li <bosong.ly@taobao.com>
Cc: Alex Tomas <alex@clusterfs.com>
Cc: Theodore Tso <tytso@google.com>