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xfs: introduce XFS_SB_LOG_RES() for transactions that modify sb on disk

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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>
This commit is contained in:
Jeff Liu
2013-01-28 21:27:25 +08:00
committed by Ben Myers
parent 762d7ba657
commit a7bd794a0f
3 changed files with 14 additions and 0 deletions
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fs/xfs/xfs_trans.h
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@@ -267,6 +267,7 @@ struct xfs_log_item_desc {
#define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc)
#define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff)
#define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff)
#define XFS_SB_LOG_RES(mp) ((mp)->m_reservations.tr_sb)
/*
* Various log count values.