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xfs: send warning of project quota to userspace via netlink

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Linux's quota subsystem has an ability to handle project quota. This
commit just utilizes the ability from xfs side.  dbus-monitor and
quota_nld shipped as part of quota-tools can be used for testing.
See the patch posting on the XFS list for details on testing.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Masatake YAMATO 2016-01-04 16:10:42 +11:00 committed by Dave Chinner
parent f1f96c4946
commit ffc671f1ea
1 changed files with 9 additions and 5 deletions
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14
fs/xfs/xfs_trans_dquot.c
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@ -572,12 +572,16 @@ xfs_quota_warn(
struct xfs_dquot *dqp,
int type)
{
/* no warnings for project quotas - we just return ENOSPC later */
enum quota_type qtype;
if (dqp->dq_flags & XFS_DQ_PROJ)
return;
quota_send_warning(make_kqid(&init_user_ns,
(dqp->dq_flags & XFS_DQ_USER) ?
USRQUOTA : GRPQUOTA,
qtype = PRJQUOTA;
else if (dqp->dq_flags & XFS_DQ_USER)
qtype = USRQUOTA;
else
qtype = GRPQUOTA;
quota_send_warning(make_kqid(&init_user_ns, qtype,
be32_to_cpu(dqp->q_core.d_id)),
mp->m_super->s_dev, type);
}