/* -*- 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/lustre_lite.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lprocfs_status.h>
+#include <linux/version.h>
+#include <asm/statfs.h>
+#include <obd.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include "mds_internal.h"
-int rd_uuid(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+#ifdef LPROCFS
+static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- int len = 0;
- len += snprintf(page, count, "%s\n", temp->obd_uuid);
- return len;
+ struct obd_device* obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
+ *eof = 1;
+
+ return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname);
}
-int rd_blksize(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* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
- len += snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize));
- return len;
+ struct obd_device* obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ return snprintf(page, count, "%d\n", obd->u.mds.mds_evict_ost_nids);
}
-int rd_kbtotal(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+
+static int lprocfs_mds_wr_evictostnids(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
- __u32 blk_size;
- __u64 result;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
-
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while(blk_size >>= 1){
- result <<= 1;
- }
- len += snprintf(page, count, LPU64"\n", result);
- return len;
-
+ 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;
}
-int rd_kbfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
- __u32 blk_size;
- __u64 result;
-
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while(blk_size >>= 1){
- result <<= 1;
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+ char tmpbuf[sizeof(struct obd_uuid)];
+ struct ptlrpc_request_set *set;
+ int rc;
+
+ sscanf(buffer, "%40s", tmpbuf);
+
+ 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);
}
- len += snprintf(page, count, LPU64"\n", result);
- return len;
-
+
+ /* 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;
}
-int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device *obd = (struct obd_device *)data;
+ struct obd_device *obd = data;
+ 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;
+
+ kernbuf[count] = '\0';
- return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
+ diff = simple_strtoul(kernbuf, &end, 0);
+ if (kernbuf == end)
+ return -EINVAL;
+
+ mds->mds_atime_diff = diff;
+ return count;
}
-int rd_filestotal(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
-
- len += snprintf(page, count, LPU64"\n", (__u64)(mystats.f_files));
- return len;
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
-
+ *eof = 1;
+ return snprintf(page, count, "%lu\n", mds->mds_atime_diff);
}
-int rd_filesfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+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 },
+ { "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 }
+};
+
+struct lprocfs_vars lprocfs_mds_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
+
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { 0 }
+};
+
+struct lprocfs_vars lprocfs_mdt_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
+
+void mds_counter_incr(struct obd_export *exp, int opcode)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
-
- len += snprintf(page, count, LPU64"\n", (__u64)(mystats.f_ffree));
- return len;
+ 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);
+
}
-int rd_filegroups(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+void mds_stats_counter_init(struct lprocfs_stats *stats)
{
- return 0;
+ 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");
}
-struct lprocfs_vars status_var_nm_1[]={
- {"status/uuid", rd_uuid, 0, 0},
- {"status/blocksize",rd_blksize, 0, 0},
- {"status/kbytestotal",rd_kbtotal, 0, 0},
- {"status/kbytesfree", rd_kbfree, 0, 0},
- {"status/fstype", rd_fstype, 0, 0},
- {"status/filestotal", rd_filestotal, 0, 0},
- {"status/filesfree", rd_filesfree, 0, 0},
- {"status/filegroups", rd_filegroups, 0, 0},
- {0}
-};
-int rd_numrefs(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+
+void lprocfs_mds_init_vars(struct lprocfs_static_vars *lvars)
{
- struct obd_type* class = (struct obd_type*)data;
- int len = 0;
- len += snprintf(page, count, "%d\n", class->typ_refcnt);
- return len;
+ lvars->module_vars = lprocfs_mds_module_vars;
+ lvars->obd_vars = lprocfs_mds_obd_vars;
}
-struct lprocfs_vars status_class_var[]={
- {"status/num_refs", rd_numrefs, 0, 0},
- {0}
-};
+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