Drop slow OSCs if we can, but not for requested start idx.

This means "if OSC is slow and it is not the requested
start OST, then it can be skipped, otherwise skip it only
if it is inactive/recovering/out-of-space.

Branch HEAD
b=16081
i=shadow
i=green

libcfs/libcfs/linux/linux-proc.c

@@ -476,7 +476,6 @@ static cfs_sysctl_table_t top_table[] = {
 int insert_proc(void)
 {
 #ifdef CONFIG_SYSCTL
-	printk("call register\n");
         if (lnet_table_header == NULL)
                 lnet_table_header = cfs_register_sysctl_table(top_table, 0);
 #endif

lustre/ChangeLog

@@ -13,6 +13,14 @@ tbd  Sun Microsystems, Inc.
 	 removed cwd "./" (refer to Bugzilla 14399).
        * File join has been disabled in this release, refer to Bugzilla 16929.
  
+Severity   : normal
+Frequency  : rare
+Bugzilla   : 16081
+Description: don't skip ost target if they assigned to file
+Details    : Drop slow OSCs if we can, but not for requested start idx.
+             This means "if OSC is slow and it is not the requested
+             start OST, then it can be skipped, otherwise skip it only
+             if it is inactive/recovering/out-of-space.
 
 Severity   : normal
 Bugzilla   : 16080

lustre/lov/lov_qos.c

@@ -693,9 +693,13 @@ repeat_find:
                 if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OSC_PRECREATE) && ost_idx == 0)
                         continue;
 
-                /* Drop slow OSCs if we can, but not for requested start idx */
+                /* Drop slow OSCs if we can, but not for requested start idx.
+                 *
+                 * This means "if OSC is slow and it is not the requested
+                 * start OST, then it can be skipped, otherwise skip it only
+                 * if it is inactive/recovering/out-of-space." */
                 if ((obd_precreate(lov->lov_tgts[ost_idx]->ltd_exp) > speed) &&
-                    (i != 0 || speed < 2))
+                    (i != 0 || speed >= 2))
                         continue;
 
                 *idx_pos = ost_idx;