ext4: avoid ext4_error when mounting a fs with a single bg

(cherry picked from commit 565a9617b2151e21b22700e97a8b04e70e103153)

Remove some completely unneeded code which which caused an ext4_error
to be generated when mounting a file system with only a single block
group.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 787455a39dfac792f01f745b701169e7fa1982a7..2dabc32d9e3221418f608e42a276e3de825729e9 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1493,7 +1493,6 @@ static int ext4_fill_flex_info(struct super_block *sb)
        ext4_group_t flex_group_count;
        ext4_group_t flex_group;
        int groups_per_flex = 0;
-       __u64 block_bitmap = 0;
        int i;
 
        if (!sbi->s_es->s_log_groups_per_flex) {
@@ -1516,9 +1515,6 @@ static int ext4_fill_flex_info(struct super_block *sb)
                goto failed;
        }
 
-       gdp = ext4_get_group_desc(sb, 1, &bh);
-       block_bitmap = ext4_block_bitmap(sb, gdp) - 1;
-
        for (i = 0; i < sbi->s_groups_count; i++) {
                gdp = ext4_get_group_desc(sb, i, &bh);