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authorNamhyung Kim <namhyung@gmail.com>2010-10-11 19:38:39 +0900
committerJan Kara <jack@suse.cz>2010-10-28 01:30:04 +0200
commit81a4e320e6ee29bde3fe880ab87b2122bc1de88b (patch)
tree6df598345f477cd931bb9f4c8333415a0175ecaf /fs/ext3
parent4569cd1b0d91e4d7fa67f950201befc2acfecb34 (diff)
ext3: Use DIV_ROUND_UP() on group desc block counting
Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/super.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1811c6fd5ba..1c6875118b1 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1864,8 +1864,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
le32_to_cpu(es->s_first_data_block) - 1)
/ EXT3_BLOCKS_PER_GROUP(sb)) + 1;
- db_count = (sbi->s_groups_count + EXT3_DESC_PER_BLOCK(sb) - 1) /
- EXT3_DESC_PER_BLOCK(sb);
+ db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb));
sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {