f2fs: quota: do not mount as RDWR without QUOTA if quota feature enabled

If quota feature is enabled, quota is on by default. However, if
CONFIG_QUOTA is not built in kernel, dquot entries will not get updated,
which leads to quota inconsistency.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 26a76735510438070bbde11e0a0f5567c82fdd8b..d10c9a57a15d10eff7dd740c8499df2a78b27f7e 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -346,12 +346,6 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
                        "QUOTA feature is enabled, so ignore jquota_fmt");
                F2FS_OPTION(sbi).s_jquota_fmt = 0;
        }
-       if (f2fs_sb_has_quota_ino(sbi->sb) && f2fs_readonly(sbi->sb)) {
-               f2fs_msg(sbi->sb, KERN_INFO,
-                        "Filesystem with quota feature cannot be mounted RDWR "
-                        "without CONFIG_QUOTA");
-               return -1;
-       }
        return 0;
 }
 #endif
@@ -774,6 +768,13 @@ static int parse_options(struct super_block *sb, char *options)
 #ifdef CONFIG_QUOTA
        if (f2fs_check_quota_options(sbi))
                return -EINVAL;
+#else
+       if (f2fs_sb_has_quota_ino(sbi->sb) && !f2fs_readonly(sbi->sb)) {
+               f2fs_msg(sbi->sb, KERN_INFO,
+                        "Filesystem with quota feature cannot be mounted RDWR "
+                        "without CONFIG_QUOTA");
+               return -EINVAL;
+       }
 #endif
 
        if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {