X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flov%2Flproc_lov.c;h=d9d3d91efdfad6f36848023d4d04fc5710d5285a;hb=326341889117faa5e7cbb05de66d759200405525;hp=57224cdc0783a8af8c5c12346f829aa77d408eb1;hpb=6869932b552ac705f411de3362f01bd50c1f6f7d;p=fs%2Flustre-release.git

diff --git a/lustre/lov/lproc_lov.c b/lustre/lov/lproc_lov.c
index 57224cd..d9d3d91 100644
--- a/lustre/lov/lproc_lov.c
+++ b/lustre/lov/lproc_lov.c
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -143,8 +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,
@@ -237,6 +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)
 {
@@ -347,6 +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 }
 };