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f2fs: fix to restrict mount condition when without CONFIG_QUOTA

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 <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Chao Yu 7 years ago
parent
commit
4ddc1b28aa
1 changed files with 6 additions and 0 deletions
  1. 6 0
      fs/f2fs/super.c

+ 6 - 0
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)) {
+		f2fs_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)) {