b=23049 set path to truncate

[fs/lustre-release.git] / lustre / lov / lproc_lov.c

diff --git a/lustre/lov/lproc_lov.c b/lustre/lov/lproc_lov.c
index 4cf90c8..d9d3d91 100644 (file)
--- a/lustre/lov/lproc_lov.c
+++ b/lustre/lov/lproc_lov.c
@@ -1,26 +1,37 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  Copyright (C) 2002 Cluster File Systems, Inc.
+ * GPL HEADER START
  *
- *   This file is part of the Lustre file system, http://www.lustre.org
- *   Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   You may have signed or agreed to another license before downloading
- *   this software.  If so, you are bound by the terms and conditions
- *   of that agreement, and the following does not apply to you.  See the
- *   LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   If you did not agree to a different license, then this copy of Lustre
- *   is open source software; you can redistribute it and/or modify it
- *   under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   In either case, Lustre is distributed in the hope that it will be
- *   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- *   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   license text for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  */
 #define DEBUG_SUBSYSTEM S_CLASS
 
@@ -58,8 +69,8 @@ static int lov_wr_stripesize(struct file *file, const char *buffer,
         if (rc)
                 return rc;
 
+        lov_fix_desc_stripe_size(&val);
         desc->ld_default_stripe_size = val;
-        lov_fix_desc(desc);
         return count;
 }
 
@@ -90,7 +101,6 @@ static int lov_wr_stripeoffset(struct file *file, const char *buffer,
                 return rc;
 
         desc->ld_default_stripe_offset = val;
-        lov_fix_desc(desc);
         return count;
 }
 
@@ -119,8 +129,8 @@ static int lov_wr_stripetype(struct file *file, const char *buffer,
         if (rc)
                 return rc;
 
+        lov_fix_desc_pattern(&val);
         desc->ld_pattern = val;
-        lov_fix_desc(desc);
         return count;
 }
 
@@ -133,8 +143,8 @@ static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
         LASSERT(dev != NULL);
         desc = &dev->u.lov.desc;
         *eof = 1;
-        return snprintf(page, count, "%ld\n",
-                        (long)(desc->ld_default_stripe_count + 1) - 1);
+        return snprintf(page, count, "%d\n",
+                        (__s16)(desc->ld_default_stripe_count + 1) - 1);
 }
 
 static int lov_wr_stripecount(struct file *file, const char *buffer,
@@ -150,8 +160,8 @@ static int lov_wr_stripecount(struct file *file, const char *buffer,
         if (rc)
                 return rc;
 
+        lov_fix_desc_stripe_count(&val);
         desc->ld_default_stripe_count = val;
-        lov_fix_desc(desc);
         return count;
 }
 
@@ -227,6 +237,40 @@ static int lov_wr_qos_priofree(struct file *file, const char *buffer,
         return count;
 }
 
+static int lov_rd_qos_thresholdrr(char *page, char **start, off_t off,
+                                  int count, int *eof, void *data)
+{
+        struct obd_device *dev = (struct obd_device*) data;
+        struct lov_obd *lov;
+
+        LASSERT(dev != NULL);
+        lov = &dev->u.lov;
+        *eof = 1;
+        return snprintf(page, count, "%d%%\n",
+                        (lov->lov_qos.lq_threshold_rr * 100) >> 8);
+}
+
+static int lov_wr_qos_thresholdrr(struct file *file, const char *buffer,
+                                  unsigned long count, void *data)
+{
+        struct obd_device *dev = (struct obd_device *)data;
+        struct lov_obd *lov;
+        int val, rc;
+        LASSERT(dev != NULL);
+
+        lov = &dev->u.lov;
+        rc = lprocfs_write_helper(buffer, count, &val);
+        if (rc)
+                return rc;
+
+        if (val > 100 || val < 0)
+                return -EINVAL;
+
+        lov->lov_qos.lq_threshold_rr = (val << 8) / 100;
+        lov->lov_qos.lq_dirty = 1;
+        return count;
+}
+
 static int lov_rd_qos_maxage(char *page, char **start, off_t off, int count,
                              int *eof, void *data)
 {
@@ -337,6 +381,7 @@ struct lprocfs_vars lprocfs_lov_obd_vars[] = {
         { "kbytesavail",  lprocfs_rd_kbytesavail, 0, 0 },
         { "desc_uuid",    lov_rd_desc_uuid,       0, 0 },
         { "qos_prio_free",lov_rd_qos_priofree,    lov_wr_qos_priofree, 0 },
+        { "qos_threshold_rr",  lov_rd_qos_thresholdrr, lov_wr_qos_thresholdrr, 0 },
         { "qos_maxage",   lov_rd_qos_maxage,      lov_wr_qos_maxage, 0 },
         { 0 }
 };
@@ -360,4 +405,3 @@ struct file_operations lov_proc_target_fops = {
         .release = lprocfs_seq_release,
 };
 #endif /* LPROCFS */
-