quota: Handle quota data stored in s_user_ns in quota_setxquota
In Q_XSETQLIMIT use sb->s_user_ns to detect when we are dealing with
the filesystems notion of id 0.
Cc: Jan Kara <jack@suse.cz>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Inspired-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 73f6f4c..35df08e 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -584,7 +584,7 @@
if (!qid_has_mapping(sb->s_user_ns, qid))
return -EINVAL;
/* Are we actually setting timer / warning limits for all users? */
- if (from_kqid(&init_user_ns, qid) == 0 &&
+ if (from_kqid(sb->s_user_ns, qid) == 0 &&
fdq.d_fieldmask & (FS_DQ_WARNS_MASK | FS_DQ_TIMER_MASK)) {
struct qc_info qinfo;
int ret;