avoid-ext4-error-for-single-bg-fs

   1 Subject: [PATCH] ext4: avoid ext4_error when mounting a fs with a single bg
   2
   3 From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
   4
   5 Remove some completely unneeded code which which caused an ext4_error
   6 to be generated when mounting a file system with only a single block
   7 group.
   8
   9 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
  10 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
  11 ---
  12  fs/ext4/super.c |    4 ----
  13  1 files changed, 0 insertions(+), 4 deletions(-)
  14
  15 diff --git a/fs/ext4/super.c b/fs/ext4/super.c
  16 index 70f6d61..ddfa29b 100644
  17 --- a/fs/ext4/super.c
  18 +++ b/fs/ext4/super.c
  19 @@ -1451,7 +1451,6 @@ static int ext4_fill_flex_info(struct super_block *sb)
  20         ext4_group_t flex_group_count;
  21         ext4_group_t flex_group;
  22         int groups_per_flex = 0;
  23 -       __u64 block_bitmap = 0;
  24         int i;
  25
  26         if (!sbi->s_es->s_log_groups_per_flex) {
  27 @@ -1474,9 +1473,6 @@ static int ext4_fill_flex_info(struct super_block *sb)
  28                 goto failed;
  29         }
  30
  31 -       gdp = ext4_get_group_desc(sb, 1, &bh);
  32 -       block_bitmap = ext4_block_bitmap(sb, gdp) - 1;
  33 -
  34         for (i = 0; i < sbi->s_groups_count; i++) {
  35                 gdp = ext4_get_group_desc(sb, i, &bh);
  36
  37 --
  38 1.6.0.4.735.gea4f
  39
  40