add-metadata-checksumming-as-supported-feature

   1 ext4: add metadata checksumming to the list of supported features
   2
   3 Activate the metadata checksumming feature by adding it to ext4 and jbd2's
   4 lists of supported features.
   5
   6 Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
   7 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
   8 ---
   9  fs/ext4/ext4.h       |    3 ++-
  10  include/linux/jbd2.h |    3 ++-
  11  2 files changed, 4 insertions(+), 2 deletions(-)
  12
  13
  14 diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
  15 index 900d5c4..dd75078 100644
  16 --- a/fs/ext4/ext4.h
  17 +++ b/fs/ext4/ext4.h
  18 @@ -1486,7 +1486,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
  19                                          EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \
  20                                          EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\
  21                                          EXT4_FEATURE_RO_COMPAT_HUGE_FILE |\
  22 -                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC)
  23 +                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC |\
  24 +                                        EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
  25
  26  /*
  27   * Default values for user and/or group using reserved blocks