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>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 7d6df7c00c36..0db40205778a 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__);