From: Dave Chinner <david@fromorbit.com>
To: Jeff Liu <jeff.liu@oracle.com>
Cc: Chandra Seetharaman <sekharan@us.ibm.com>, xfs@oss.sgi.com
Subject: Re: [PATCH v8 2/5] xfs: Add pquota fields where gquota is used.
Date: Fri, 17 May 2013 13:01:26 +1000 [thread overview]
Message-ID: <20130517030125.GT29466@dastard> (raw)
In-Reply-To: <51906528.3030307@oracle.com>
On Mon, May 13, 2013 at 11:59:36AM +0800, Jeff Liu wrote:
> Hi,
>
> > +struct xfs_inode *
> > +xfs_dq_to_quota_inode(struct xfs_dquot *dqp)
> > +{
> > + if (XFS_QM_ISUDQ(dqp))
> > + return dqp->q_mount->m_quotainfo->qi_uquotaip;
> > + if (XFS_QM_ISGDQ(dqp))
> > + return dqp->q_mount->m_quotainfo->qi_gquotaip;
> > + ASSERT(XFS_QM_ISPDQ(dqp));
> > + return dqp->q_mount->m_quotainfo->qi_pquotaip;
> > +}
> Is it better to replace above conditional judgment with 'switch...case'?
> i.e.
> static inline struct xfs_inode *
> xfs_dq_to_qip(struct xfs_dquot *dqp)
> {
> switch (dqp->dq_flags) {
> case XFS_DQ_USER:
> return dqp->q_mount->m_quotainfo->qi_uquotaip;
> case XFS_DQ_GROUP:
> return dqp->q_mount->m_quotainfo->qi_gqoutaip;
> case XFS_DQ_PROJ:
> return dqp->q_mount->m_quotainfo->qi_pquotaip;
> }
Doesn't work because dq_flags can have other fields set in it (e.g
XFS_DQ_DIRTY). It would need to be:
switch (dqp->dq_flags & XFS_DQ_ALLTYPES) {
....
}
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2013-05-17 3:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-10 21:21 [PATCH v8 0/5] xfs: Allow pquota and gquota to be used together Chandra Seetharaman
2013-05-10 21:21 ` [PATCH v8 1/5] xfs: Remove incore use of XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD Chandra Seetharaman
2013-05-13 3:15 ` Jeff Liu
2013-05-14 22:19 ` Chandra Seetharaman
2013-05-17 2:55 ` Dave Chinner
2013-05-24 21:45 ` Chandra Seetharaman
2013-05-10 21:21 ` [PATCH v8 2/5] xfs: Add pquota fields where gquota is used Chandra Seetharaman
2013-05-13 3:59 ` Jeff Liu
2013-05-17 3:01 ` Dave Chinner [this message]
2013-05-17 5:40 ` Jeff Liu
2013-05-17 21:15 ` Chandra Seetharaman
2013-05-17 4:23 ` Dave Chinner
2013-05-24 21:57 ` Chandra Seetharaman
2013-06-10 23:17 ` Dave Chinner
2013-06-11 23:08 ` Chandra Seetharaman
2013-05-10 21:21 ` [PATCH v8 3/5] xfs: Start using pquotaino from the superblock Chandra Seetharaman
2013-05-13 4:24 ` Jeff Liu
2013-05-17 4:46 ` Dave Chinner
2013-05-24 22:09 ` Chandra Seetharaman
2013-06-10 23:20 ` Dave Chinner
2013-05-10 21:21 ` [PATCH v8 4/5] xfs: Add proper versioning support to fs_quota_stat Chandra Seetharaman
2013-05-13 4:29 ` Jeff Liu
2013-05-17 5:10 ` Dave Chinner
2013-05-24 22:17 ` Chandra Seetharaman
2013-06-10 23:27 ` Dave Chinner
2013-06-11 23:13 ` Chandra Seetharaman
2013-05-10 21:21 ` [PATCH v8 5/5] xfs: Use new qs_pquota field in fs_quota_stat for Q_XGETQSTAT Chandra Seetharaman
2013-05-17 5:14 ` Dave Chinner
2013-05-24 22:17 ` Chandra Seetharaman
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