ext4: remove unnecessary ext4_get_group_info in ext4_mb_load_buddy

ext4_mb_load_buddy() calls ext4_get_group_info() for setting both
"grp" and "e4b->bd_info", but it could do "e4b->bd_info = grp".

Reported-by:  Andreas Dilger <adilger@whamcloud.com>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 037f680..447c0f3 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1126,7 +1126,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
        grp = ext4_get_group_info(sb, group);
 
        e4b->bd_blkbits = sb->s_blocksize_bits;
-       e4b->bd_info = ext4_get_group_info(sb, group);
+       e4b->bd_info = grp;
        e4b->bd_sb = sb;
        e4b->bd_group = group;
        e4b->bd_buddy_page = NULL;