/* -*- 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 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 <obd.h>
#include <obd_class.h>
#include <lprocfs_status.h>
return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname);
}
+static int lprocfs_mds_rd_evictostnids(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device* obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%d\n", obd->u.mds.mds_evict_ost_nids);
+}
+
+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;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ 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)
{
if (!set)
return -ENOMEM;
- rc = obd_set_info_async(mds->mds_osc_exp, strlen("evict_by_nid"),
- "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);
+ 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(set);
+ ptlrpc_check_set(NULL, set);
+ }
- /* See the comments in function lprocfs_wr_evict_client()
+ /* See the comments in function lprocfs_wr_evict_client()
* in ptlrpc/lproc_ptlrpc.c for details. - jay */
- class_incref(obd);
+ class_incref(obd, __FUNCTION__, cfs_current());
LPROCFS_EXIT();
obd_export_evict_by_nid(obd, tmpbuf+4);
- LPROCFS_ENTRY();
- class_decref(obd);
rc = ptlrpc_set_wait(set);
if (rc)
CERROR("Failed to evict nid %s from OSTs: rc %d\n", tmpbuf + 4,
rc);
- ptlrpc_set_destroy(set);
- return count;
-}
-
-static int lprocfs_wr_group_info(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- struct mds_obd *mds = &obd->u.mds;
- struct mds_grp_downcall_data sparam, *param = &sparam;
- int size = 0, rc = count;
-
- if (count < sizeof(param)) {
- CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
- return count;
- }
-
- if (copy_from_user(param, buffer, sizeof(*param)) ||
- param->mgd_magic != MDS_GRP_DOWNCALL_MAGIC) {
- CERROR("%s: MDS group downcall bad params\n", obd->obd_name);
- return count;
- }
-
- if (param->mgd_ngroups > NGROUPS_MAX) {
- CWARN("%s: uid %u groups %d more than maximum %d\n",
- obd->obd_name, param->mgd_uid, param->mgd_ngroups,
- NGROUPS_MAX);
- param->mgd_ngroups = NGROUPS_MAX;
- }
- if (param->mgd_ngroups > 0) {
- size = offsetof(struct mds_grp_downcall_data,
- mgd_groups[param->mgd_ngroups]);
- OBD_ALLOC(param, size);
- if (!param) {
- CERROR("%s: fail to alloc %d bytes for uid %u"
- " with %d groups\n", obd->obd_name, size,
- sparam.mgd_uid, sparam.mgd_ngroups);
- param = &sparam;
- param->mgd_ngroups = 0;
- } else if (copy_from_user(param, buffer, size)) {
- CERROR("%s: uid %u bad supplementary group data\n",
- obd->obd_name, sparam.mgd_uid);
- OBD_FREE(param, size);
- param = &sparam;
- param->mgd_ngroups = 0;
- }
- }
- rc = upcall_cache_downcall(mds->mds_group_hash, param->mgd_err,
- param->mgd_uid, param->mgd_gid,
- param->mgd_ngroups, param->mgd_groups);
-
- if (param && param != &sparam)
- OBD_FREE(param, size);
-
- return rc;
-}
-
-static int lprocfs_rd_group_expire(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- *eof = 1;
- return snprintf(page, count, "%lu\n",
- obd->u.mds.mds_group_hash->uc_entry_expire / HZ);
-}
-
-static int lprocfs_wr_group_expire(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val > 5)
- obd->u.mds.mds_group_hash->uc_entry_expire = val * HZ;
- else
- CERROR("invalid expire time %u for group cache\n", val);
-
- return count;
-}
-
-static int lprocfs_rd_group_acquire_expire(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- *eof = 1;
- return snprintf(page, count, "%lu\n",
- obd->u.mds.mds_group_hash->uc_acquire_expire / HZ);
-}
-
-static int lprocfs_wr_group_acquire_expire(struct file *file,const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc = 0;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val > 2)
- obd->u.mds.mds_group_hash->uc_acquire_expire = val * HZ;
-
- return count;
-}
-
-static int lprocfs_rd_group_upcall(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- *eof = 1;
- return snprintf(page, count, "%s\n",
- obd->u.mds.mds_group_hash->uc_upcall);
-}
-
-static int lprocfs_wr_group_upcall(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- struct upcall_cache *hash = obd->u.mds.mds_group_hash;
- char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' };
-
- if (count >= UC_CACHE_UPCALL_MAXPATH) {
- CERROR("%s: group upcall too long\n", obd->obd_name);
- return -EINVAL;
- }
-
- if (copy_from_user(kernbuf, buffer,
- min(count, UC_CACHE_UPCALL_MAXPATH - 1)))
- return -EFAULT;
-
- /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
- sscanf(kernbuf, "%s", hash->uc_upcall);
-
- if (strcmp(hash->uc_name, obd->obd_name) != 0)
- CWARN("%s: write to upcall name %s for MDS %s\n",
- obd->obd_name, hash->uc_upcall, obd->obd_name);
- CWARN("%s: group upcall set to %s\n", obd->obd_name, hash->uc_upcall);
-
- return count;
-}
-
-static int lprocfs_wr_group_flush(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
+ LPROCFS_ENTRY();
+ class_decref(obd, __FUNCTION__, cfs_current());
- upcall_cache_flush_idle(obd->u.mds.mds_group_hash);
+ ptlrpc_set_destroy(set);
return count;
}
{ "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 },
-#ifdef HAVE_QUOTA_SUPPORT
- { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0 },
- { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0 },
- { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0 },
- { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0 },
- { "quota_type", lprocfs_rd_type, lprocfs_wr_type, 0 },
-#endif
- { "group_expire_interval", lprocfs_rd_group_expire,
- lprocfs_wr_group_expire, 0},
- { "group_acquire_expire", lprocfs_rd_group_acquire_expire,
- lprocfs_wr_group_acquire_expire, 0},
- { "group_upcall", lprocfs_rd_group_upcall,
- lprocfs_wr_group_upcall, 0},
- { "group_flush", 0, lprocfs_wr_group_flush, 0},
- { "group_info", 0, lprocfs_wr_group_info, 0 },
{ "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
{ 0 }
};
void mds_counter_incr(struct obd_export *exp, int opcode)
{
- lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
- lprocfs_counter_incr(exp->exp_ops_stats, 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);
+
}
void mds_stats_counter_init(struct lprocfs_stats *stats)
lprocfs_counter_init(stats, LPROC_MDS_SETXATTR, 0, "setxattr", "reqs");
}
-LPROCFS_INIT_VARS(mds, lprocfs_mds_module_vars, lprocfs_mds_obd_vars);
-LPROCFS_INIT_VARS(mdt, lprocfs_mdt_module_vars, lprocfs_mdt_obd_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