ext[234]: use ext[234]_get_group_desc()

Use ext[234]_get_group_desc() to get group descriptor from group number.

Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 9 deletions

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 15e75139b7e8..343677e8c350 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1252,28 +1252,24 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
 }
 
 /* Called at mount-time, super-block is locked */
-static int ext3_check_descriptors (struct super_block * sb)
+static int ext3_check_descriptors(struct super_block *sb)
 {
         struct ext3_sb_info *sbi = EXT3_SB(sb);
         ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
         ext3_fsblk_t last_block;
-        struct ext3_group_desc * gdp = NULL;
-        int desc_block = 0;
         int i;
 
         ext3_debug ("Checking group descriptors");
 
-        for (i = 0; i < sbi->s_groups_count; i++)
-        {
+        for (i = 0; i < sbi->s_groups_count; i++) {
+                struct ext3_group_desc *gdp = ext3_get_group_desc(sb, i, NULL);
+
                 if (i == sbi->s_groups_count - 1)
                         last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
                 else
                         last_block = first_block +
                                 (EXT3_BLOCKS_PER_GROUP(sb) - 1);
 
-                if ((i % EXT3_DESC_PER_BLOCK(sb)) == 0)
-                        gdp = (struct ext3_group_desc *)
-                                        sbi->s_group_desc[desc_block++]->b_data;
                 if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
                     le32_to_cpu(gdp->bg_block_bitmap) > last_block)
                 {
@@ -1306,7 +1302,6 @@ static int ext3_check_descriptors (struct super_block * sb)
                         return 0;
                 }
                 first_block += EXT3_BLOCKS_PER_GROUP(sb);
-                gdp++;
         }
 
         sbi->s_es->s_free_blocks_count=cpu_to_le32(ext3_count_free_blocks(sb));