From: Daniel Rosenberg <drosen@google.com> stable inclusion from stable-5.10.53 commit a62177b35730650c54339c3eb581a1c84f7387da bugzilla: 175574 https://gitee.com/openeuler/kernel/issues/I4DTUX Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- commit 39307f8ee3539478c28e71b4909b5b028cce14b1 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> --- fs/f2fs/sysfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index ec77ccfea923..b8850c81068a 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -612,7 +612,9 @@ 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 #ifdef CONFIG_F2FS_FS_COMPRESSION F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION); #endif @@ -700,7 +702,9 @@ static struct attribute *f2fs_feat_attrs[] = { ATTR_LIST(verity), #endif ATTR_LIST(sb_checksum), +#ifdef CONFIG_UNICODE ATTR_LIST(casefold), +#endif #ifdef CONFIG_F2FS_FS_COMPRESSION ATTR_LIST(compression), #endif -- 2.20.1