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xfs: convert the per-mount dquot list to use list heads

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Convert the dquot list on the filesytesm to use listhead
infrastructure rather than the roll-your-own in the quota code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Dave Chinner
2010-04-13 15:06:48 +10:00
committed by Alex Elder
parent 9abbc539bf
commit 3a25404b3f
6 changed files with 97 additions and 112 deletions
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25
fs/xfs/quota/xfs_quota_priv.h
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@@ -29,7 +29,6 @@
#define XFS_DQ_IS_ADDEDTO_TRX(t, d) ((d)->q_transp == (t))
#define XFS_QI_MPLRECLAIMS(mp) ((mp)->m_quotainfo->qi_dqreclaims)
#define XFS_QI_UQIP(mp) ((mp)->m_quotainfo->qi_uquotaip)
#define XFS_QI_GQIP(mp) ((mp)->m_quotainfo->qi_gquotaip)
#define XFS_QI_DQCHUNKLEN(mp) ((mp)->m_quotainfo->qi_dqchunklen)
@@ -41,19 +40,6 @@
#define XFS_QI_IWARNLIMIT(mp) ((mp)->m_quotainfo->qi_iwarnlimit)
#define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock)
#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist)
#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next)
#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems)
#define xfs_qm_mplist_lock(mp) \
mutex_lock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define xfs_qm_mplist_nowait(mp) \
mutex_trylock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define xfs_qm_mplist_unlock(mp) \
mutex_unlock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define XFS_QM_IS_MPLIST_LOCKED(mp) \
mutex_is_locked(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define xfs_qm_freelist_lock(qm) \
mutex_lock(&((qm)->qm_dqfreelist.qh_lock))
#define xfs_qm_freelist_lock_nowait(qm) \
@@ -88,8 +74,6 @@
#define HL_PREVP dq_hashlist.ql_prevp
#define HL_NEXT dq_hashlist.ql_next
#define MPL_PREVP dq_mplist.ql_prevp
#define MPL_NEXT dq_mplist.ql_next
#define _LIST_REMOVE(h, dqp, PVP, NXT) \
@@ -116,9 +100,6 @@
(h)->qh_nelems++; \
}
#define FOREACH_DQUOT_IN_MP(dqp, mp) \
for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT)
#define FOREACH_DQUOT_IN_FREELIST(dqp, qlist) \
for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
(dqp) = (dqp)->dq_flnext)
@@ -129,16 +110,10 @@ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
#define XQM_FREELIST_INSERT(h, dqp) \
xfs_qm_freelist_append(h, dqp)
#define XQM_MPLIST_INSERT(h, dqp) \
_LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT)
#define XQM_HASHLIST_REMOVE(h, dqp) \
_LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
#define XQM_FREELIST_REMOVE(dqp) \
xfs_qm_freelist_unlink(dqp)
#define XQM_MPLIST_REMOVE(h, dqp) \
{ _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \
XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; }
#define XFS_DQ_IS_LOGITEM_INITD(dqp) ((dqp)->q_logitem.qli_dquot == (dqp))