[XFS] Provide a mechiansm for flushing delalloc before quota reporting.

SGI-PV: 942815
SGI-Modid: xfs-linux:xfs-kern:23829a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index d2701cc..fa87279 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -767,6 +767,18 @@
 }
 
 STATIC int
+linvfs_quotasync(
+	struct super_block	*sb,
+	int			type)
+{
+	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	int			error;
+
+	VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error);
+	return -error;
+}
+
+STATIC int
 linvfs_getxstate(
 	struct super_block	*sb,
 	struct fs_quota_stat	*fqs)
@@ -934,6 +946,7 @@
 };
 
 STATIC struct quotactl_ops linvfs_qops = {
+	.quota_sync		= linvfs_quotasync,
 	.get_xstate		= linvfs_getxstate,
 	.set_xstate		= linvfs_setxstate,
 	.get_xquota		= linvfs_getxquota,