[PATCH v2 21/35] ubifs: disable quota in ubifs_put_super

[Dongsheng Yang]

We need to disable quota in umounting ubifs. So we have to
disable quota in ubifs_put_super(). But quota disable will
write quota file, and we have to budget for it.

Signed-off-by: Dongsheng Yang <yangds.fnst at cn.fujitsu.com>
---
 fs/ubifs/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 3609d7b..7031c16 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2027,6 +2027,8 @@ static void ubifs_put_super(struct super_block *sb)
 
 	ubifs_msg(c, "un-mount UBI device %d", c->vi.ubi_num);
 
+	if (!c->ro_mount)
+		dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 	/*
 	 * The following asserts are only valid if there has not been a failure
 	 * of the media. For example, there will be dirty inodes if we failed
-- 
1.8.4.2