From 8d7b591b84c4160b5623bd45e865252992a63636 Mon Sep 17 00:00:00 2001
From: eeb <eeb>
Date: Tue, 20 Aug 2002 19:41:35 +0000
Subject: [PATCH] de-serialised getattr, brw test ioctls

---
 lustre/obdclass/class_obd.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/lustre/obdclass/class_obd.c b/lustre/obdclass/class_obd.c
index 0bac970..7c31246 100644
--- a/lustre/obdclass/class_obd.c
+++ b/lustre/obdclass/class_obd.c
@@ -104,10 +104,21 @@ static int obd_class_ioctl (struct inode * inode, struct file * filp,
         struct lustre_handle conn;
         int rw = OBD_BRW_READ;
         int err = 0;
+        int serialised = 0;
         ENTRY;
 
-        down(&obd_conf_sem);
-
+        switch (cmd)
+        {
+        case OBD_IOC_BRW_WRITE:
+        case OBD_IOC_BRW_READ:
+        case OBD_IOC_GETATTR:
+                break;
+        default:
+                down(&obd_conf_sem);
+                serialised = 1;
+                break;
+        }
+        
         if (!obd && cmd != OBD_IOC_DEVICE && cmd != TCGETS &&
             cmd != OBD_IOC_LIST &&
             cmd != OBD_IOC_NAME2DEV && cmd != OBD_IOC_NEWDEV) {
@@ -558,7 +569,8 @@ static int obd_class_ioctl (struct inode * inode, struct file * filp,
  out:
         if (buf)
                 OBD_FREE(buf, len);
-        up(&obd_conf_sem);
+        if (serialised)
+                up(&obd_conf_sem);
         RETURN(err);
 } /* obd_class_ioctl */
 
-- 
1.8.3.1