diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 539e7b5e3f86..6a6bb600b1ff 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -120,6 +120,9 @@ static ssize_t btrfs_feature_attr_store(struct kobject *kobj, if (!fs_info) return -EPERM; + if (fs_info->sb->s_flags & MS_RDONLY) + return -EROFS; + ret = kstrtoul(skip_spaces(buf), 0, &val); if (ret) return ret; |