From: Daniel Rosenberg drosen@google.com

commit 39307f8ee3539478c28e71b4909b5b028cce14b1 upstream. [Please apply to 5.4-stable.]

The casefolding feature is only supported when CONFIG_UNICODE is set. This modifies the feature list f2fs presents under sysfs accordingly.

Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock") Cc: stable@vger.kernel.org # v5.4+ Signed-off-by: Daniel Rosenberg drosen@google.com Reviewed-by: Eric Biggers ebiggers@google.com Reviewed-by: Chao Yu yuchao0@huawei.com Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Eric Biggers ebiggers@google.com --- fs/f2fs/sysfs.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 029e693e201c..3a5360e045cf 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -499,7 +499,9 @@ F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND); F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY); #endif F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM); +#ifdef CONFIG_UNICODE F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD); +#endif

#define ATTR_LIST(name) (&f2fs_attr_##name.attr) static struct attribute *f2fs_attrs[] = { @@ -568,7 +570,9 @@ static struct attribute *f2fs_feat_attrs[] = { ATTR_LIST(verity), #endif ATTR_LIST(sb_checksum), +#ifdef CONFIG_UNICODE ATTR_LIST(casefold), +#endif NULL, }; ATTRIBUTE_GROUPS(f2fs_feat);