/* -*- 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
#include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
#include <asm/statfs.h>
-#endif
#include <lprocfs_status.h>
#include <obd_class.h>
#include <linux/seq_file.h>
if (rc)
return rc;
+ lov_fix_desc_stripe_size(&val);
desc->ld_default_stripe_size = val;
- lov_fix_desc(desc);
return count;
}
return rc;
desc->ld_default_stripe_offset = val;
- lov_fix_desc(desc);
return count;
}
if (rc)
return rc;
+ lov_fix_desc_pattern(&val);
desc->ld_pattern = val;
- lov_fix_desc(desc);
return count;
}
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
*eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_default_stripe_count);
+ 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,
if (rc)
return rc;
+ lov_fix_desc_stripe_count(&val);
desc->ld_default_stripe_count = val;
- lov_fix_desc(desc);
return count;
}
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)
{
struct obd_device *dev = p->private;
struct lov_obd *lov = &dev->u.lov;
- return (*pos >= lov->desc.ld_tgt_count) ? NULL : lov->lov_tgts[*pos];
-
+ while (*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ ++*pos;
+ }
+ return NULL;
}
static void lov_tgt_seq_stop(struct seq_file *p, void *v)
struct obd_device *dev = p->private;
struct lov_obd *lov = &dev->u.lov;
- ++*pos;
- return (*pos >= lov->desc.ld_tgt_count) ? NULL : lov->lov_tgts[*pos];
+ while (++*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ }
+ return NULL;
}
static int lov_tgt_seq_show(struct seq_file *p, void *v)
return 0;
}
-struct lprocfs_vars lprocfs_obd_vars[] = {
+struct lprocfs_vars lprocfs_lov_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "stripesize", lov_rd_stripesize, lov_wr_stripesize, 0 },
{ "stripeoffset", lov_rd_stripeoffset, lov_wr_stripeoffset, 0 },
{ "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 }
};
-static struct lprocfs_vars lprocfs_module_vars[] = {
+static struct lprocfs_vars lprocfs_lov_module_vars[] = {
{ "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
+void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_lov_module_vars;
+ lvars->obd_vars = lprocfs_lov_obd_vars;
+}
+
struct file_operations lov_proc_target_fops = {
.owner = THIS_MODULE,
.open = lov_target_seq_open,
.llseek = seq_lseek,
.release = lprocfs_seq_release,
};
-
-LPROCFS_INIT_VARS(lov, lprocfs_module_vars, lprocfs_obd_vars)
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff