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authorJeff Liu <jeff.liu@oracle.com>2013-01-28 21:27:21 +0800
committerBen Myers <bpm@sgi.com>2013-02-01 14:45:50 -0600
commit762d7ba657ed4a0934b4da7dcef058012f252e0f (patch)
tree631ac6adc3f028ea55339889ad870206c3ccef23
parenta1bd9557544d59140c4ac87fe405069b9e1aaf99 (diff)
downloadop-kernel-dev-762d7ba657ed4a0934b4da7dcef058012f252e0f.zip
op-kernel-dev-762d7ba657ed4a0934b4da7dcef058012f252e0f.tar.gz
xfs: calculate XFS_TRANS_QM_QUOTAOFF_END space log reservation at mount time
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> Signed-off-by: Ben Myers <bpm@sgi.com>
-rw-r--r--fs/xfs/xfs_mount.h1
-rw-r--r--fs/xfs/xfs_qm_syscalls.c5
-rw-r--r--fs/xfs/xfs_trans.c12
-rw-r--r--fs/xfs/xfs_trans.h1
4 files changed, 17 insertions, 2 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 4f5e148..b46009d 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 4605f89..cf9a340 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -639,8 +639,9 @@ 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 a557c82..84643fa 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -595,6 +595,17 @@ 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.
*/
@@ -629,6 +640,7 @@ 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 1e103da..57339e4 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.
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