export-sysfs-casefold-feature-attribute

   1 ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present
   2
   3 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
   4 ---
   5  fs/ext4/sysfs.c | 6 ++++++
   6  1 file changed, 6 insertions(+)
   7
   8 diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
   9 index 616c075da062..04b4f53f0659 100644
  10 --- a/fs/ext4/sysfs.c
  11 +++ b/fs/ext4/sysfs.c
  12 @@ -238,6 +238,9 @@ EXT4_ATTR_FEATURE(meta_bg_resize);
  13  #ifdef CONFIG_FS_ENCRYPTION
  14  EXT4_ATTR_FEATURE(encryption);
  15  #endif
  16 +#ifdef CONFIG_UNICODE
  17 +EXT4_ATTR_FEATURE(casefold);
  18 +#endif
  19  EXT4_ATTR_FEATURE(metadata_csum_seed);
  20
  21  static struct attribute *ext4_feat_attrs[] = {
  22 @@ -246,6 +249,9 @@ static struct attribute *ext4_feat_attrs[] = {
  23         ATTR_LIST(meta_bg_resize),
  24  #ifdef CONFIG_FS_ENCRYPTION
  25         ATTR_LIST(encryption),
  26 +#endif
  27 +#ifdef CONFIG_UNICODE
  28 +       ATTR_LIST(casefold),
  29  #endif
  30         ATTR_LIST(metadata_csum_seed),
  31         NULL,