From 794cc4f43114deb6388bf02d9d74c900b1c4d3a7 Mon Sep 17 00:00:00 2001
From: Jeff Liu <jeff.liu@oracle.com>
Date: Mon, 28 Jan 2013 21:26:49 +0800
Subject: [PATCH] --- yaml --- r: 352931 b: refs/heads/master c:
 f0f2df94faca43fd26f85af7e83df240777c8c37 h: refs/heads/master i:   352929:
 43e40854b314b80f56b72a8a31500810e0ee0a90   352927:
 950259488e06455d17f29a02d47b2f1ac56f039d v: v3

---
 [refs]                         |  2 +-
 trunk/fs/xfs/xfs_mount.h       |  1 +
 trunk/fs/xfs/xfs_qm_syscalls.c |  5 +++--
 trunk/fs/xfs/xfs_trans.c       | 12 ++++++++++++
 trunk/fs/xfs/xfs_trans.h       |  1 +
 5 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index c5989fa2d151..f43dbf4581f1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f910a8c620e21fdb53384ad741ff9e4995cc6e67
+refs/heads/master: f0f2df94faca43fd26f85af7e83df240777c8c37
diff --git a/trunk/fs/xfs/xfs_mount.h b/trunk/fs/xfs/xfs_mount.h
index 4e9aa9524840..9baa7e0fbd45 100644
--- a/trunk/fs/xfs/xfs_mount.h
+++ b/trunk/fs/xfs/xfs_mount.h
@@ -41,6 +41,7 @@ typedef struct xfs_trans_reservations {
 	uint	tr_growrtzero;	/* grow realtime zeroing */
 	uint	tr_growrtfree;	/* grow realtime freeing */
 	uint	tr_qm_sbchange;	/* change quota flags */
+	uint	tr_qm_setqlim;	/* adjust quota limits */
 } xfs_trans_reservations_t;
 
 #ifndef __KERNEL__
diff --git a/trunk/fs/xfs/xfs_qm_syscalls.c b/trunk/fs/xfs/xfs_qm_syscalls.c
index 33d9c2b6f555..1476b6fd4ed5 100644
--- a/trunk/fs/xfs/xfs_qm_syscalls.c
+++ b/trunk/fs/xfs/xfs_qm_syscalls.c
@@ -490,8 +490,9 @@ xfs_qm_scall_setqlim(
 		return 0;
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
-	if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128,
-				      0, 0, XFS_DEFAULT_LOG_COUNT))) {
+	error = xfs_trans_reserve(tp, 0, XFS_QM_SETQLIM_LOG_RES(mp),
+				  0, 0, XFS_DEFAULT_LOG_COUNT);
+	if (error) {
 		xfs_trans_cancel(tp, 0);
 		return (error);
 	}
diff --git a/trunk/fs/xfs/xfs_trans.c b/trunk/fs/xfs/xfs_trans.c
index 6ba62c0e24d1..1838850de145 100644
--- a/trunk/fs/xfs/xfs_trans.c
+++ b/trunk/fs/xfs/xfs_trans.c
@@ -556,6 +556,17 @@ xfs_calc_qm_sbchange_reservation(
 	return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
 }
 
+/*
+ * Adjusting quota limits.
+ *    the xfs_disk_dquot_t: sizeof(struct xfs_disk_dquot)
+ */
+STATIC uint
+xfs_calc_qm_setqlim_reservation(
+	struct xfs_mount	*mp)
+{
+	return xfs_calc_buf_res(1, sizeof(struct xfs_disk_dquot));
+}
+
 /*
  * Initialize the precomputed transaction reservation values
  * in the mount structure.
@@ -588,6 +599,7 @@ xfs_trans_init(
 	resp->tr_growrtzero = xfs_calc_growrtzero_reservation(mp);
 	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);
 }
 
 /*
diff --git a/trunk/fs/xfs/xfs_trans.h b/trunk/fs/xfs/xfs_trans.h
index a690f2803594..93a0ec73c6fe 100644
--- a/trunk/fs/xfs/xfs_trans.h
+++ b/trunk/fs/xfs/xfs_trans.h
@@ -263,6 +263,7 @@ struct xfs_log_item_desc {
 #define	XFS_ATTRRM_LOG_RES(mp)	((mp)->m_reservations.tr_attrrm)
 #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)
 
 /*
  * Various log count values.