| From 39307f8ee3539478c28e71b4909b5b028cce14b1 Mon Sep 17 00:00:00 2001 |
| From: Daniel Rosenberg <drosen@google.com> |
| Date: Thu, 3 Jun 2021 09:50:37 +0000 |
| Subject: f2fs: Show casefolding support only when supported |
| |
| From: Daniel Rosenberg <drosen@google.com> |
| |
| 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> |
| |
| --- |
| fs/f2fs/sysfs.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/fs/f2fs/sysfs.c |
| +++ b/fs/f2fs/sysfs.c |
| @@ -612,7 +612,9 @@ F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LO |
| 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 |