/* -*- 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 Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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).
*
- * 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.
+ * 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 2008 Sun Microsystems, Inc. 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 <linux/obd.h>
-#include <linux/obd_class.h>
-#include <linux/lprocfs_status.h>
+#include <obd.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
#include "mds_internal.h"
-#ifndef LPROCFS
-struct lprocfs_vars lprocfs_mds_obd_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mds_module_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mdt_obd_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mdt_module_vars[] = { {0} };
-
-#else
-
+#ifdef LPROCFS
static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname);
}
-static int lprocfs_mds_rd_recovery_status(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lprocfs_mds_rd_evictostnids(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device *obd = data;
- int len = 0, n,
- connected = obd->obd_connected_clients,
- max_recoverable = obd->obd_max_recoverable_clients,
- recoverable = obd->obd_recoverable_clients,
- completed = max_recoverable - recoverable,
- queue_len = obd->obd_requests_queued_for_recovery,
- replayed = obd->obd_replayed_requests;
- __u64 next_transno = obd->obd_next_recovery_transno;
+ struct obd_device* obd = (struct obd_device *)data;
LASSERT(obd != NULL);
- *eof = 1;
- n = snprintf(page, count, "status: ");
- page += n; len += n; count -= n;
- if (obd->obd_max_recoverable_clients == 0) {
- n = snprintf(page, count, "INACTIVE\n");
- return len + n;
- }
+ return snprintf(page, count, "%d\n", obd->u.mds.mds_evict_ost_nids);
+}
- if (obd->obd_recoverable_clients == 0) {
- n = snprintf(page, count, "COMPLETE\n");
- page += n; len += n; count -= n;
- n = snprintf(page, count, "recovered_clients: %d\n",
- max_recoverable);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "last_transno: "LPD64"\n",
- next_transno - 1);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "replayed_requests: %d\n", replayed);
- return len + n;
- }
+static int lprocfs_mds_wr_evictostnids(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
- /* sampled unlocked, but really... */
- if (obd->obd_recovering == 0) {
- n = snprintf(page, count, "ABORTED\n");
- return len + n;
- }
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
- n = snprintf(page, count, "RECOVERING\n");
- page += n; len += n; count -= n;
- n = snprintf(page, count, "connected_clients: %d/%d\n",
- connected, max_recoverable);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "completed_clients: %d/%d\n",
- completed, max_recoverable);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "replayed_requests: %d/??\n", replayed);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "queued_requests: %d\n", queue_len);
- page += n; len += n; count -= n;
- n = snprintf(page, count, "next_transno: "LPD64"\n", next_transno);
- return len + n;
+ obd->u.mds.mds_evict_ost_nids = !!val;
+
+ return count;
}
static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct obd_device *obd = data;
- struct obd_export *doomed_exp = NULL;
- struct obd_uuid doomed;
- struct list_head *p;
- char tmpbuf[sizeof(doomed)];
+ struct mds_obd *mds = &obd->u.mds;
+ char tmpbuf[sizeof(struct obd_uuid)];
+ struct ptlrpc_request_set *set;
+ int rc;
sscanf(buffer, "%40s", tmpbuf);
- obd_str2uuid(&doomed, tmpbuf);
-
- spin_lock(&obd->obd_dev_lock);
- list_for_each(p, &obd->obd_exports) {
- doomed_exp = list_entry(p, struct obd_export, exp_obd_chain);
- if (obd_uuid_equals(&doomed, &doomed_exp->exp_client_uuid)) {
- class_export_get(doomed_exp);
- break;
- }
- doomed_exp = NULL;
- }
- spin_unlock(&obd->obd_dev_lock);
-
- if (doomed_exp == NULL) {
- CERROR("can't disconnect %s: no export found\n",
- doomed.uuid);
- } else {
- CERROR("evicting %s at adminstrative request\n",
- doomed.uuid);
- ptlrpc_fail_export(doomed_exp);
- class_export_put(doomed_exp);
+
+ if (strncmp(tmpbuf, "nid:", 4) != 0)
+ return lprocfs_wr_evict_client(file, buffer, count, data);
+
+ set = ptlrpc_prep_set();
+ if (!set)
+ return -ENOMEM;
+
+ if (obd->u.mds.mds_evict_ost_nids) {
+ rc = obd_set_info_async(mds->mds_osc_exp,
+ sizeof(KEY_EVICT_BY_NID),
+ KEY_EVICT_BY_NID, strlen(tmpbuf + 4) + 1,
+ tmpbuf + 4, set);
+ if (rc)
+ CERROR("Failed to evict nid %s from OSTs: rc %d\n",
+ tmpbuf + 4, rc);
+
+ ptlrpc_check_set(NULL, set);
}
+
+ /* See the comments in function lprocfs_wr_evict_client()
+ * in ptlrpc/lproc_ptlrpc.c for details. - jay */
+ class_incref(obd, __FUNCTION__, cfs_current());
+ LPROCFS_EXIT();
+
+ obd_export_evict_by_nid(obd, tmpbuf+4);
+
+
+ rc = ptlrpc_set_wait(set);
+ if (rc)
+ CERROR("Failed to evict nid %s from OSTs: rc %d\n", tmpbuf + 4,
+ rc);
+
+ LPROCFS_ENTRY();
+ class_decref(obd, __FUNCTION__, cfs_current());
+
+ ptlrpc_set_destroy(set);
return count;
}
-static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
struct obd_device *obd = data;
- ENTRY;
+ struct mds_obd *mds = &obd->u.mds;
+ char kernbuf[20], *end;
+ unsigned long diff = 0;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
- RETURN(mds_lov_update_config(obd, 0));
+ kernbuf[count] = '\0';
+
+ diff = simple_strtoul(kernbuf, &end, 0);
+ if (kernbuf == end)
+ return -EINVAL;
+
+ mds->mds_atime_diff = diff;
+ return count;
+}
+
+static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n", mds->mds_atime_diff);
}
struct lprocfs_vars lprocfs_mds_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 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 },
- { "fstype", lprocfs_rd_fstype, 0, 0 },
- { "filestotal", lprocfs_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_rd_filesfree, 0, 0 },
- { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
- { "recovery_status", lprocfs_mds_rd_recovery_status, 0, 0 },
- { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 },
- { "config_update", 0, lprocfs_mds_wr_config_update, 0 },
- { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { "uuid", lprocfs_rd_uuid, 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 },
+ { "filestotal", lprocfs_rd_filestotal, 0, 0 },
+ { "filesfree", lprocfs_rd_filesfree, 0, 0 },
+ { "fstype", lprocfs_rd_fstype, 0, 0 },
+ { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+ { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
+ { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 },
+ { "evict_ost_nids", lprocfs_mds_rd_evictostnids,
+ lprocfs_mds_wr_evictostnids, 0 },
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
{ 0 }
};
{ 0 }
};
-#endif
+void mds_counter_incr(struct obd_export *exp, int opcode)
+{
+ if (exp->exp_obd && exp->exp_obd->obd_stats)
+ lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
+ if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
+ lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
-struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars,
- lprocfs_mds_obd_vars},
- {lprocfs_mdt_module_vars,
- lprocfs_mdt_obd_vars}};
+}
+
+void mds_stats_counter_init(struct lprocfs_stats *stats)
+{
+ lprocfs_counter_init(stats, LPROC_MDS_OPEN, 0, "open", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_CLOSE, 0, "close", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_MKNOD, 0, "mknod", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_LINK, 0, "link", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_UNLINK, 0, "unlink", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_MKDIR, 0, "mkdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_RMDIR, 0, "rmdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_RENAME, 0, "rename", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_GETXATTR, 0, "getxattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_SETXATTR, 0, "setxattr", "reqs");
+}
-LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars,
- (sizeof(lprocfs_array_vars) /
- sizeof(struct lprocfs_static_vars)))
+void lprocfs_mds_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_mds_module_vars;
+ lvars->obd_vars = lprocfs_mds_obd_vars;
+}
+
+void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_mdt_module_vars;
+ lvars->obd_vars = lprocfs_mdt_obd_vars;
+}
+#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff