*
* Copyright (C) 2002 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free 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.
+ * 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.
*
- * 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
- * GNU General Public License for more details.
+ * 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.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/lustre_lite.h>
-#include <linux/lprocfs_status.h>
+#include <linux/version.h>
+#include <asm/statfs.h>
+#include <lprocfs_status.h>
+#include <obd_class.h>
+#include <linux/seq_file.h>
+#include "lov_internal.h"
-/*
- * Common STATUS namespace
- */
+#ifdef LPROCFS
+static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_size);
+}
-int rd_uuid(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_wr_stripesize(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- int len = 0;
- struct obd_device* dev = (struct obd_device*)data;
- len += snprintf(page, count, "%s\n", dev->obd_uuid);
- return len;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ __u64 val;
+ int rc;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ desc->ld_default_stripe_size = val;
+ lov_fix_desc(desc);
+ return count;
}
-int rd_stripesize(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+
+static int lov_rd_stripeoffset(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- (__u64)(lov->desc.ld_default_stripe_size));
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_offset);
+}
+
+static int lov_wr_stripeoffset(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ __u64 val;
+ int rc;
- return len;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ desc->ld_default_stripe_offset = val;
+ lov_fix_desc(desc);
+ return count;
}
-int rd_stripeoffset(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_stripetype(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- lov->desc.ld_default_stripe_offset);
- return len;
+ struct lov_desc *desc;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_pattern);
}
-int rd_stripetype(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_wr_stripetype(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- (__u64)(lov->desc.ld_pattern));
- return len;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ int val, rc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ desc->ld_pattern = val;
+ lov_fix_desc(desc);
+ return count;
}
-int rd_stripecount(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- (__u64)(lov->desc.ld_default_stripe_count));
- return len;
+static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_default_stripe_count);
}
-int rd_numobd(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov=&dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- (__u64)(lov->desc.ld_tgt_count));
- return len;
+static int lov_wr_stripecount(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ int val, rc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ desc->ld_default_stripe_count = val;
+ lov_fix_desc(desc);
+ return count;
}
-int rd_activeobd(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, LPU64"\n",
- (__u64)(lov->desc.ld_active_tgt_count));
- return len;
+static int lov_rd_numobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device*)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_tgt_count);
}
-int rd_blksize(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- return 0;
+ struct obd_device* dev = (struct obd_device*)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
}
+static int lov_rd_desc_uuid(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;
-int rd_kbtotal(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
+}
+
+/* free priority (0-255): how badly user wants to choose empty osts */
+static int lov_rd_qos_priofree(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- return 0;
+ 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_prio_free * 100) >> 8);
}
+static int lov_wr_qos_priofree(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)
+ return -EINVAL;
+ lov->lov_qos.lq_prio_free = (val << 8) / 100;
+ lov->lov_qos.lq_dirty = 1;
+ lov->lov_qos.lq_reset = 1;
+ return count;
+}
-int rd_kbfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_qos_maxage(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- return 0;
+ 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, "%u Sec\n", lov->desc.ld_qos_maxage);
}
-int rd_numobjects(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_wr_qos_maxage(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- return 0;
+ 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 <= 0)
+ return -EINVAL;
+ lov->desc.ld_qos_maxage = val;
+ return count;
}
-int rd_objfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
- return 0;
+ 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];
+
}
-int rd_objgroups(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static void lov_tgt_seq_stop(struct seq_file *p, void *v)
{
- return 0;
}
-int rd_target(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static void *lov_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0, i = 0;
- struct lov_obd* lov = &dev->u.lov;
- struct lov_tgt_desc* tgts = lov->tgts;
- while(i < lov->desc.ld_tgt_count){
- len += snprintf(page, count, "%d: %s\n", i, tgts->uuid);
- i++;
- tgts++;
+ struct obd_device *dev = p->private;
+ struct lov_obd *lov = &dev->u.lov;
+
+ while (++*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
}
-
- return len;
+ return NULL;
}
-int rd_mdc(char* page, char **start, off_t off, int count, int *eof, void *data)
+
+static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid);
- return len;
-}
-
-struct lprocfs_vars status_var_nm_1[] = {
- {"status/uuid", rd_uuid, 0, 0},
- {"status/stripesize",rd_stripesize, 0, 0},
- {"status/stripeoffset",rd_stripeoffset, 0, 0},
- {"status/stripecount",rd_stripecount, 0, 0},
- {"status/stripetype", rd_stripetype, 0, 0},
- {"status/numobd",rd_numobd, 0, 0},
- {"status/activeobd", rd_activeobd, 0, 0},
- {"status/objects", rd_numobjects, 0, 0},
- {"status/objectsfree", rd_objfree, 0, 0},
- {"status/objectgroups", rd_objgroups, 0, 0},
- {"status/blocksize", rd_blksize, 0, 0},
- {"status/kbytestotal", rd_kbtotal, 0, 0},
- {"status/kbytesfree", rd_kbfree, 0, 0},
- {"status/target_obd", rd_target, 0, 0},
- {"status/target_mdc", rd_mdc, 0, 0},
-
- {0}
+ struct lov_tgt_desc *tgt = v;
+ return seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
+ obd_uuid2str(&tgt->ltd_uuid),
+ tgt->ltd_active ? "" : "IN");
+}
+
+struct seq_operations lov_tgt_sops = {
+ .start = lov_tgt_seq_start,
+ .stop = lov_tgt_seq_stop,
+ .next = lov_tgt_seq_next,
+ .show = lov_tgt_seq_show,
};
-int rd_numrefs(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+
+static int lov_target_seq_open(struct inode *inode, struct file *file)
{
- struct obd_type* class = (struct obd_type*)data;
- int len = 0;
- len += snprintf(page, count, "%d\n", class->typ_refcnt);
- return len;
+ struct proc_dir_entry *dp = PDE(inode);
+ struct seq_file *seq;
+ int rc;
+
+ LPROCFS_ENTRY_AND_CHECK(dp);
+ rc = seq_open(file, &lov_tgt_sops);
+ if (rc) {
+ LPROCFS_EXIT();
+ return rc;
+ }
+
+ seq = file->private_data;
+ seq->private = dp->data;
+ return 0;
}
-struct lprocfs_vars status_class_var[]={
- {"status/num_refs", rd_numrefs, 0, 0},
- {0}
+struct lprocfs_vars lprocfs_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "stripesize", lov_rd_stripesize, lov_wr_stripesize, 0 },
+ { "stripeoffset", lov_rd_stripeoffset, lov_wr_stripeoffset, 0 },
+ { "stripecount", lov_rd_stripecount, lov_wr_stripecount, 0 },
+ { "stripetype", lov_rd_stripetype, lov_wr_stripetype, 0 },
+ { "numobd", lov_rd_numobd, 0, 0 },
+ { "activeobd", lov_rd_activeobd, 0, 0 },
+ { "filestotal", lprocfs_rd_filestotal, 0, 0 },
+ { "filesfree", lprocfs_rd_filesfree, 0, 0 },
+ /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
+ { "blocksize", lprocfs_rd_blksize, 0, 0 },
+ { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
+ { "kbytesfree", lprocfs_rd_kbytesfree, 0, 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_maxage", lov_rd_qos_maxage, lov_wr_qos_maxage, 0 },
+ { 0 }
+};
+
+static struct lprocfs_vars lprocfs_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
};
+
+struct file_operations lov_proc_target_fops = {
+ .owner = THIS_MODULE,
+ .open = lov_target_seq_open,
+ .read = seq_read,
+ .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