Commit ac0dd247 authored by Akira Fujita's avatar Akira Fujita Committed by Jan Kara
Browse files

ext3: remove max_debt in find_group_orlov() 



max_debt, involved variables and calculations
are no longer needed, clean them up.

Signed-off-by: default avatarAkira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 2db938be

fs/ext3/ialloc.c

+2 −18
Original line number Diff line number Diff line
@@ -180,8 +180,7 @@ void ext3_free_inode (handle_t *handle, struct inode * inode) 
 * It's OK to put directory into a group unless

 * it has too many directories already (max_dirs) or

 * it has too few free inodes left (min_inodes) or

 * it has too few free blocks left (min_blocks) or

 * it's already running too large debt (max_debt).

 * it has too few free blocks left (min_blocks).

 * Parent's group is preferred, if it doesn't satisfy these

 * conditions we search cyclically through the rest. If none

 * of the groups look good we just look for a group with more
@@ -191,21 +190,16 @@ void ext3_free_inode (handle_t *handle, struct inode * inode) 
 * when we allocate an inode, within 0--255.

 */



#define INODE_COST 64

#define BLOCK_COST 256



static int find_group_orlov(struct super_block *sb, struct inode *parent)

{

	int parent_group = EXT3_I(parent)->i_block_group;

	struct ext3_sb_info *sbi = EXT3_SB(sb);

	struct ext3_super_block *es = sbi->s_es;

	int ngroups = sbi->s_groups_count;

	int inodes_per_group = EXT3_INODES_PER_GROUP(sb);

	unsigned int freei, avefreei;

	ext3_fsblk_t freeb, avefreeb;

	ext3_fsblk_t blocks_per_dir;

	unsigned int ndirs;

	int max_debt, max_dirs, min_inodes;

	int max_dirs, min_inodes;

	ext3_grpblk_t min_blocks;

	int group = -1, i;

	struct ext3_group_desc *desc;
@@ -242,20 +236,10 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) 
		goto fallback;

	}



	blocks_per_dir = (le32_to_cpu(es->s_blocks_count) - freeb) / ndirs;



	max_dirs = ndirs / ngroups + inodes_per_group / 16;

	min_inodes = avefreei - inodes_per_group / 4;

	min_blocks = avefreeb - EXT3_BLOCKS_PER_GROUP(sb) / 4;



	max_debt = EXT3_BLOCKS_PER_GROUP(sb) / max(blocks_per_dir, (ext3_fsblk_t)BLOCK_COST);

	if (max_debt * INODE_COST > inodes_per_group)

		max_debt = inodes_per_group / INODE_COST;

	if (max_debt > 255)

		max_debt = 255;

	if (max_debt == 0)

		max_debt = 1;



	for (i = 0; i < ngroups; i++) {

		group = (parent_group + i) % ngroups;

		desc = ext3_get_group_desc (sb, group, NULL);