ext4: use ext4_group_first_block_no()

Use ext4_group_first_block_no() and assign the return values to
ext4_fsblk_t variables.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: adilger@clusterfs.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mingming Cao <cmm@us.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 5d348998ff38..a080d7f5face 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -48,7 +48,6 @@ void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
 unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
                  ext4_group_t block_group, struct ext4_group_desc *gdp)
 {
-        unsigned long start;
         int bit, bit_max;
         unsigned free_blocks, group_blocks;
         struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -106,11 +105,12 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
         free_blocks = group_blocks - bit_max;
 
         if (bh) {
+                ext4_fsblk_t start;
+
                 for (bit = 0; bit < bit_max; bit++)
                         ext4_set_bit(bit, bh->b_data);
 
-                start = block_group * EXT4_BLOCKS_PER_GROUP(sb) +
-                        le32_to_cpu(sbi->s_es->s_first_data_block);
+                start = ext4_group_first_block_no(sb, block_group);
 
                 /* Set bits for block and inode bitmaps, and inode table */
                 ext4_set_bit(ext4_block_bitmap(sb, gdp) - start, bh->b_data);