Commit cfd4c70a authored Jul 05, 2016 by Eric W. Biederman

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>

parent d49d3762

fs/quota/quota.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -584,7 +584,7 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
		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;