ext4: Clean up calls to ext4_get_group_desc()

If the caller isn't planning on modifying the block group descriptors,
there's no need to pass in a pointer to a struct buffer_head.  Nuking
this saves a tiny amount of CPU time and stack space usage.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 82f7d1d7eae0..3743bd849bce 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -347,7 +347,6 @@ static int find_group_flex(struct super_block *sb, struct inode *parent,
 {
         struct ext4_sb_info *sbi = EXT4_SB(sb);
         struct ext4_group_desc *desc;
-        struct buffer_head *bh;
         struct flex_groups *flex_group = sbi->s_flex_groups;
         ext4_group_t parent_group = EXT4_I(parent)->i_block_group;
         ext4_group_t parent_fbg_group = ext4_flex_group(sbi, parent_group);
@@ -402,7 +401,7 @@ find_close_to_parent:
 found_flexbg:
         for (i = best_flex * flex_size; i < ngroups &&
                      i < (best_flex + 1) * flex_size; i++) {
-                desc = ext4_get_group_desc(sb, i, &bh);
+                desc = ext4_get_group_desc(sb, i, NULL);
                 if (ext4_free_inodes_count(sb, desc)) {
                         *best_group = i;
                         goto out;