From: Chao Yu <yuch...@huawei.com>

Like quota_ino feature, we need to reject mounting RDWR with image
which enables project_quota feature when there is no CONFIG_QUOTA
be set in kernel.

Signed-off-by: Chao Yu <yuch...@huawei.com>
---
 fs/f2fs/super.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index dbc1cb53581f..bb40f08d2861 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -775,6 +775,12 @@ static int parse_options(struct super_block *sb, char 
*options)
                         "without CONFIG_QUOTA");
                return -EINVAL;
        }
+       if (f2fs_sb_has_project_quota(sbi->sb) && !f2fs_readonly(sbi->sb)) {
+               ext4_msg(sb, KERN_ERR,
+                       "Filesystem with project quota feature cannot be "
+                       "mounted RDWR without CONFIG_QUOTA");
+               return -EINVAL;
+       }
 #endif
 
        if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {
-- 
2.16.2.17.g38e79b1fd


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