fix-warning-inside-ext4_convert_unwritten_extents_endio

   1 ext4: fix warning inside ext4_convert_unwritten_extents_endio
   2
   3 From: Rakesh Pandit <rakesh@tuxera.com>
   4
   5 Really enable warning when CONFIG_EXT4_DEBUG is set and fix missing
   6 first argument.  This was introduced in commit ff95ec22cd7f ("ext4:
   7 add warning to ext4_convert_unwritten_extents_endio") and splitting
   8 extents inside endio would trigger it.
   9
  10 Fixes: ff95ec22cd7f ("ext4: add warning to ext4_convert_unwritten_extents_endio")
  11 Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
  12 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
  13 Cc: stable@kernel.org
  14 ---
  15  fs/ext4/extents.c | 4 ++--
  16  1 file changed, 2 insertions(+), 2 deletions(-)
  17
  18 diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
  19 index 92266a2da7d6..f203bf989a4c 100644
  20 --- a/fs/ext4/extents.c
  21 +++ b/fs/ext4/extents.c
  22 @@ -3813,8 +3813,8 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle,
  23          * illegal.
  24          */
  25         if (ee_block != map->m_lblk || ee_len > map->m_len) {
  26 -#ifdef EXT4_DEBUG
  27 -               ext4_warning("Inode (%ld) finished: extent logical block %llu,"
  28 +#ifdef CONFIG_EXT4_DEBUG
  29 +               ext4_warning(inode->i_sb, "Inode (%ld) finished: extent logical block %llu,"
  30                              " len %u; IO logical block %llu, len %u",
  31                              inode->i_ino, (unsigned long long)ee_block, ee_len,
  32                              (unsigned long long)map->m_lblk, map->m_len);
  33 --
  34 2.17.1
  35
  36