The disk quota allocation log space reservation is calcuated at runtime,
this patch does it at mount time.
Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
CC: Dave Chinner <david@xxxxxxxxxxxxx>
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
---
fs/xfs/xfs_dquot.c | 12 +++---------
fs/xfs/xfs_mount.h | 1 +
fs/xfs/xfs_trans.c | 15 +++++++++++++++
fs/xfs/xfs_trans.h | 1 +
4 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index bf27fcc..96d9aae 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -524,15 +524,9 @@ xfs_qm_dqread(
if (flags & XFS_QMOPT_DQALLOC) {
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_DQALLOC);
error = xfs_trans_reserve(tp, XFS_QM_DQALLOC_SPACE_RES(mp),
- XFS_WRITE_LOG_RES(mp) +
- /*
- * Round the chunklen up to the next multiple
- * of 128 (buf log item chunk size)).
- */
- BBTOB(mp->m_quotainfo->qi_dqchunklen) - 1 + 128,
- 0,
- XFS_TRANS_PERM_LOG_RES,
- XFS_WRITE_LOG_COUNT);
+ XFS_QM_DQALLOC_LOG_RES(mp), 0,
+ XFS_TRANS_PERM_LOG_RES,
+ XFS_WRITE_LOG_COUNT);
if (error)
goto error1;
cancelflags = XFS_TRANS_RELEASE_LOG_RES;
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index cebcb7f..a52f34c 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -42,6 +42,7 @@ typedef struct xfs_trans_reservations {
uint tr_growrtfree; /* grow realtime freeing */
uint tr_qm_sbchange; /* change quota flags */
uint tr_qm_setqlim; /* adjust quota limits */
+ uint tr_qm_dqalloc; /* allocate quota on disk */
} xfs_trans_reservations_t;
#ifndef __KERNEL__
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 3f7fa4b..2530937 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -567,6 +567,20 @@ xfs_calc_qm_setqlim_reservation(
}
/*
+ * Allocating quota on disk if needed.
+ * the write transaction log space: XFS_WRITE_LOG_RES(mp)
+ * the unit of quota allocation: one system block size
+ */
+STATIC uint
+xfs_calc_qm_dqalloc_reservation(
+ struct xfs_mount *mp)
+{
+ return XFS_WRITE_LOG_RES(mp) +
+ xfs_calc_buf_res(1,
+ XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) - 1);
+}
+
+/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
*/
@@ -599,6 +613,7 @@ xfs_trans_init(
resp->tr_growrtfree = xfs_calc_growrtfree_reservation(mp);
resp->tr_qm_sbchange = xfs_calc_qm_sbchange_reservation(mp);
resp->tr_qm_setqlim = xfs_calc_qm_setqlim_reservation(mp);
+ resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp);
}
/*
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 8f0645a..3ab1fe6 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -264,6 +264,7 @@ struct xfs_log_item_desc {
#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
#define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_qm_sbchange)
#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)
/*
* Various log count values.
--
1.7.9.5
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