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authorJeff Liu <jeff.liu@oracle.com>2013-01-28 21:26:16 +0800
committerBen Myers <bpm@sgi.com>2013-02-01 14:40:17 -0600
commitb0c10b983a3e5cc35f239999df1b8bad1ba5b8f6 (patch)
tree78c41025c277a87c1baea6eb2990572fdfb7bb70 /fs/xfs
parent5b292ae3a951a58e32119d73c7ac8f5bec7395a3 (diff)
downloadlinux-b0c10b983a3e5cc35f239999df1b8bad1ba5b8f6.tar.gz
xfs: calculate XFS_TRANS_QM_SBCHANGE space log reservation at mount time
The transaction log space for clearing/reseting the quota flags is calculated out at runtime, this patch can figure it out at 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>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_mount.c4
-rw-r--r--fs/xfs/xfs_mount.h1
-rw-r--r--fs/xfs/xfs_trans.c12
-rw-r--r--fs/xfs/xfs_trans.h2
4 files changed, 16 insertions, 3 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 7d6df7c00c3..0db40205778 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1109,8 +1109,8 @@ xfs_mount_reset_sbqflags(
return 0;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
- error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0,
- XFS_DEFAULT_LOG_COUNT);
+ error = xfs_trans_reserve(tp, 0, XFS_QM_SBCHANGE_LOG_RES(mp),
+ 0, 0, XFS_DEFAULT_LOG_COUNT);
if (error) {
xfs_trans_cancel(tp, 0);
xfs_alert(mp, "%s: Superblock update failed!", __func__);
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index bab8314507e..4e9aa952484 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -40,6 +40,7 @@ typedef struct xfs_trans_reservations {
uint tr_growrtalloc; /* grow realtime allocations */
uint tr_growrtzero; /* grow realtime zeroing */
uint tr_growrtfree; /* grow realtime freeing */
+ uint tr_qm_sbchange; /* change quota flags */
} xfs_trans_reservations_t;
#ifndef __KERNEL__
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index a81625c75a9..6ba62c0e24d 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -546,6 +546,17 @@ xfs_calc_clear_agi_bucket_reservation(
}
/*
+ * Clearing the quotaflags in the superblock.
+ * the super block for changing quota flags: sector size
+ */
+STATIC uint
+xfs_calc_qm_sbchange_reservation(
+ struct xfs_mount *mp)
+{
+ return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
+}
+
+/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
*/
@@ -576,6 +587,7 @@ xfs_trans_init(
resp->tr_growrtalloc = xfs_calc_growrtalloc_reservation(mp);
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);
}
/*
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index c6c0601abd7..a690f280359 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -262,7 +262,7 @@ struct xfs_log_item_desc {
(128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
#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)
/*
* Various log count values.