From: Jeff Liu <jeff.liu@oracle.com>
To: xfs@oss.sgi.com
Subject: [PATCH v4 08/13] xfs: calculate XFS_TRANS_QM_QUOTAOFF_END space log reservation at mount time
Date: Mon, 28 Jan 2013 21:27:21 +0800 [thread overview]
Message-ID: <51067CB9.6050801@oracle.com> (raw)
Convert the calculation for end of quotaoff log space reservation
from runtime to mount time.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
CC: Dave Chinner <david@fromorbit.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
---
fs/xfs/xfs_mount.h | 1 +
fs/xfs/xfs_qm_syscalls.c | 5 +++--
fs/xfs/xfs_trans.c | 12 ++++++++++++
fs/xfs/xfs_trans.h | 1 +
4 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 66b5449..c5abd86 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -44,6 +44,7 @@ typedef struct xfs_trans_reservations {
uint tr_qm_setqlim; /* adjust quota limits */
uint tr_qm_dqalloc; /* allocate quota on disk */
uint tr_qm_quotaoff; /* turn quota off */
+ uint tr_qm_equotaoff;/* end of turn quota off */
} xfs_trans_reservations_t;
#ifndef __KERNEL__
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index e4204be..2b25980 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -638,8 +638,9 @@ xfs_qm_log_quotaoff_end(
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END);
- if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2,
- 0, 0, XFS_DEFAULT_LOG_COUNT))) {
+ error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_END_LOG_RES(mp),
+ 0, 0, XFS_DEFAULT_LOG_COUNT);
+ if (error) {
xfs_trans_cancel(tp, 0);
return (error);
}
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 3d8b20f..d43e839 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -594,6 +594,17 @@ xfs_calc_qm_quotaoff_reservation(
}
/*
+ * End of turning off quotas.
+ * the xfs_qoff_logitem_t: sizeof(struct xfs_qoff_logitem) * 2
+ */
+STATIC uint
+xfs_calc_qm_quotaoff_end_reservation(
+ struct xfs_mount *mp)
+{
+ return sizeof(struct xfs_qoff_logitem) * 2;
+}
+
+/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
*/
@@ -628,6 +639,7 @@ xfs_trans_init(
resp->tr_qm_setqlim = xfs_calc_qm_setqlim_reservation(mp);
resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp);
resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp);
+ resp->tr_qm_equotaoff = xfs_calc_qm_quotaoff_end_reservation(mp);
}
/*
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 747e7d8..77ccc36 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -266,6 +266,7 @@ struct xfs_log_item_desc {
#define XFS_QM_SETQLIM_LOG_RES(mp) ((mp)->m_reservations.tr_qm_setqlim)
#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)
/*
* Various log count values.
--
1.7.9.5
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