f2fs: show error in case of invalid mount arguments

print the invalid argument/value from parse_options in case of
mount failure.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4360600c81e8..5830e537c376 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -311,6 +311,8 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options)
                         set_opt(sbi, DISABLE_EXT_IDENTIFY);
                         break;
                 default:
+                        pr_err("Unrecognized mount option \"%s\" or missing value\n",
+                                        p);
                         return -EINVAL;
                 }
         }