xfs: introduce XFS_SB_LOG_RES() for transactions that modify sb on disk
Introduce a new transaction space reservation XFS_SB_LOG_RES() for those transactions that need to modify the superblock on disk. Signed-off-by: Jie Liu <jeff.liu@oracle.com> CC: Dave Chinner <david@fromorbit.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
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@ -45,6 +45,7 @@ typedef struct xfs_trans_reservations {
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uint tr_qm_dqalloc; /* allocate quota on disk */
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uint tr_qm_dqalloc; /* allocate quota on disk */
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uint tr_qm_quotaoff; /* turn quota off */
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uint tr_qm_quotaoff; /* turn quota off */
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uint tr_qm_equotaoff;/* end of turn quota off */
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uint tr_qm_equotaoff;/* end of turn quota off */
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uint tr_sb; /* modify superblock */
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} xfs_trans_reservations_t;
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} xfs_trans_reservations_t;
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#ifndef __KERNEL__
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#ifndef __KERNEL__
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@ -605,6 +605,17 @@ xfs_calc_qm_quotaoff_end_reservation(
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return sizeof(struct xfs_qoff_logitem) * 2;
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return sizeof(struct xfs_qoff_logitem) * 2;
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}
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}
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/*
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* Syncing the incore super block changes to disk.
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* the super block to reflect the changes: sector size
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*/
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STATIC uint
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xfs_calc_sb_reservation(
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struct xfs_mount *mp)
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{
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return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
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}
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/*
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/*
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* Initialize the precomputed transaction reservation values
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* Initialize the precomputed transaction reservation values
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* in the mount structure.
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* in the mount structure.
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@ -641,6 +652,7 @@ xfs_trans_init(
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resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp);
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resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp);
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resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp);
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resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp);
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resp->tr_qm_equotaoff = xfs_calc_qm_quotaoff_end_reservation(mp);
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resp->tr_qm_equotaoff = xfs_calc_qm_quotaoff_end_reservation(mp);
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resp->tr_sb = xfs_calc_sb_reservation(mp);
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}
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}
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/*
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/*
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@ -267,6 +267,7 @@ struct xfs_log_item_desc {
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#define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc)
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#define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc)
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#define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff)
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#define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff)
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#define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff)
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#define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff)
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#define XFS_SB_LOG_RES(mp) ((mp)->m_reservations.tr_sb)
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/*
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/*
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* Various log count values.
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* Various log count values.
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