linux-ext4 - [PATCH] ext4: report error message when setting usrjquota or grpjquota options failed

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Message-Id: <1603986396-28917-1-git-send-email-kaixuxia@tencent.com>
Date:   Thu, 29 Oct 2020 23:46:36 +0800
From:   xiakaixu1987@...il.com
To:     linux-ext4@...r.kernel.org
Cc:     tytso@....edu, adilger.kernel@...ger.ca,
        Kaixu Xia <kaixuxia@...cent.com>
Subject: [PATCH] ext4: report error message when setting usrjquota or grpjquota options failed

From: Kaixu Xia <kaixuxia@...cent.com>

The macro MOPT_Q is used to indicates the mount option is quota stuff and
would be the same as MOPT_NOSUPPORT when CONFIG_QUOTA is disabled. We want
to report NOSUPPORT error message when setting usrjquota or grpjquota
options with the CONFIG_QUOTA is disabled, but now it report nothing. So
fix it by adding the MOPT_STRING flag.

Signed-off-by: Kaixu Xia <kaixuxia@...cent.com>
---
 fs/ext4/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 83fdde498414..a26ba4cf5626 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2025,8 +2025,8 @@ static const struct mount_opts {
 	{Opt_noquota, (EXT4_MOUNT_QUOTA | EXT4_MOUNT_USRQUOTA |
 		       EXT4_MOUNT_GRPQUOTA | EXT4_MOUNT_PRJQUOTA),
 							MOPT_CLEAR | MOPT_Q},
-	{Opt_usrjquota, 0, MOPT_Q},
-	{Opt_grpjquota, 0, MOPT_Q},
+	{Opt_usrjquota, 0, MOPT_Q | MOPT_STRING},
+	{Opt_grpjquota, 0, MOPT_Q | MOPT_STRING},
 	{Opt_offusrjquota, 0, MOPT_Q},
 	{Opt_offgrpjquota, 0, MOPT_Q},
 	{Opt_jqfmt_vfsold, QFMT_VFS_OLD, MOPT_QFMT},
-- 
2.20.0