/* -*- 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/lprocfs_status.h>
+#include <linux/version.h>
+#include <linux/vfs.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include <lustre_log.h>
+#ifdef LPROCFS
-int rd_uuid(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
- struct obd_device* temp = (struct obd_device*)data;
- int len = 0;
- len += snprintf(page, count, "%s\n",temp->obd_uuid);
- return len;
-
-
-}
-int rd_blksize(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
-}
-int rd_kbtotal(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+ return rc;
}
-int rd_kbfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- return 0;
-}
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int val, rc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
-int rd_files(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
-}
+ if (val < 1 || val > MDC_MAX_RIF_MAX)
+ return -ERANGE;
-int rd_filesfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ cli->cl_max_rpcs_in_flight = val;
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+
+ return count;
}
-int rd_filegroups(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static struct lnl_hdr *changelog_lnl_alloc(int len, int flags)
{
- return 0;
+ struct lnl_hdr *lh;
+
+ OBD_ALLOC(lh, len);
+ if (lh == NULL)
+ RETURN(NULL);
+
+ lh->lnl_magic = LNL_MAGIC;
+ lh->lnl_transport = LNL_TRANSPORT_CHANGELOG;
+ lh->lnl_flags = flags;
+ lh->lnl_msgtype = CL_RECORD;
+ lh->lnl_msglen = len;
+ return lh;
}
-int rd_conn_uuid(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+
+#define D_CHANGELOG 0
+
+static int changelog_show_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr,
+ void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct client_obd* cli = &temp->u.cli;
- struct obd_import* imp = &cli->cl_import;
- int len = 0;
-
- len += snprintf(page, count, "%s\n",imp->imp_connection->c_remote_uuid);
- return len;
+ struct changelog_show *cs = data;
+ struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
+ struct lnl_hdr *lh;
+ int len, rc;
+ ENTRY;
+
+ if ((rec->cr_hdr.lrh_type != CHANGELOG_REC) ||
+ (rec->cr.cr_type >= CL_LAST)) {
+ CERROR("Not a changelog rec %d/%d\n", rec->cr_hdr.lrh_type,
+ rec->cr.cr_type);
+ RETURN(-EINVAL);
+ }
+
+ if (rec->cr.cr_index < cs->cs_startrec) {
+ /* Skip entries earlier than what we are interested in */
+ CDEBUG(D_CHANGELOG, "rec="LPU64" start="LPU64"\n",
+ rec->cr.cr_index, cs->cs_startrec);
+ RETURN(0);
+ }
+
+ CDEBUG(D_CHANGELOG, LPU64" %02d%-5s "LPU64" 0x%x t="DFID" p="DFID
+ " %.*s\n", rec->cr.cr_index, rec->cr.cr_type,
+ changelog_type2str(rec->cr.cr_type), rec->cr.cr_time,
+ rec->cr.cr_flags & CLF_FLAGMASK,
+ PFID(&rec->cr.cr_tfid), PFID(&rec->cr.cr_pfid),
+ rec->cr.cr_namelen, rec->cr.cr_name);
+
+ len = sizeof(*lh) + sizeof(rec->cr) + rec->cr.cr_namelen;
+
+ /* Set up the netlink message */
+ lh = changelog_lnl_alloc(len, cs->cs_flags);
+ if (lh == NULL)
+ RETURN(-ENOMEM);
+ memcpy(lh + 1, &rec->cr, len - sizeof(*lh));
+
+ rc = libcfs_klnl_msg_put(cs->cs_pid, 0, lh);
+ CDEBUG(D_CHANGELOG, "nlmsg pid %d len %d rc %d\n", cs->cs_pid, len, rc);
+
+ OBD_FREE(lh, len);
+
+ RETURN(rc);
}
-int rd_server_uuid(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lproc_mdc_wr_changelog(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct client_obd* cli = &temp->u.cli;
- int len = 0;
-
- len += snprintf(page, count, "%s\n",cli->cl_target_uuid);
- return len;
+ struct obd_device *obd = data;
+ struct llog_ctxt *ctxt;
+ struct llog_handle *llh;
+ struct lnl_hdr *lnlh;
+ struct changelog_show cs = {};
+ int rc;
+
+ if (count != sizeof(cs))
+ return -EINVAL;
+
+ if (cfs_copy_from_user(&cs, buffer, sizeof(cs)))
+ return -EFAULT;
+
+ CDEBUG(D_CHANGELOG, "changelog to pid=%d start "LPU64"\n",
+ cs.cs_pid, cs.cs_startrec);
+
+ /* Set up the remote catalog handle */
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_REPL_CTXT);
+ if (ctxt == NULL)
+ RETURN(-ENOENT);
+ rc = llog_create(ctxt, &llh, NULL, CHANGELOG_CATALOG);
+ if (rc) {
+ CERROR("llog_create() failed %d\n", rc);
+ GOTO(out, rc);
+ }
+ rc = llog_init_handle(llh, LLOG_F_IS_CAT, NULL);
+ if (rc) {
+ CERROR("llog_init_handle failed %d\n", rc);
+ GOTO(out, rc);
+ }
+
+ rc = llog_cat_process(llh, changelog_show_cb, &cs, 0, 0);
+
+ /* Send EOF */
+ if ((lnlh = changelog_lnl_alloc(sizeof(*lnlh), cs.cs_flags))) {
+ lnlh->lnl_msgtype = CL_EOF;
+ libcfs_klnl_msg_put(cs.cs_pid, 0, lnlh);
+ OBD_FREE(lnlh, sizeof(*lnlh));
+ }
+
+out:
+ if (llh)
+ llog_cat_put(llh);
+ if (ctxt)
+ llog_ctxt_put(ctxt);
+ if (rc < 0)
+ return rc;
+ return count;
}
-int rd_server_name(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+/* temporary for testing */
+static int mdc_wr_netlink(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- return 0;
-
+ struct obd_device *obd = data;
+ struct lnl_hdr *lh;
+ struct hsm_action_list *hal;
+ struct hsm_action_item *hai;
+ int len;
+ int pid, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &pid);
+ if (rc)
+ return rc;
+
+ if (pid < 0)
+ return -ERANGE;
+ CWARN("message to pid %d\n", pid);
+
+ len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
+ /* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
+
+ OBD_ALLOC(lh, len);
+
+ lh->lnl_magic = LNL_MAGIC;
+ lh->lnl_transport = LNL_TRANSPORT_HSM;
+ lh->lnl_msgtype = HMT_ACTION_LIST;
+ lh->lnl_msglen = len;
+
+ hal = (struct hsm_action_list *)(lh + 1);
+ hal->hal_version = HAL_VERSION;
+ hal->hal_archive_num = 1;
+ obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
+
+ /* mock up an action list */
+ hal->hal_count = 2;
+ hai = hai_zero(hal);
+ hai->hai_action = HSMA_ARCHIVE;
+ hai->hai_fid.f_oid = 5;
+ hai->hai_len = sizeof(*hai);
+ hai = hai_next(hai);
+ hai->hai_action = HSMA_RESTORE;
+ hai->hai_fid.f_oid = 10;
+ hai->hai_len = sizeof(*hai);
+
+ /* This works for either broadcast or unicast to a single pid */
+ rc = libcfs_klnl_msg_put(pid, pid == 0 ? LNL_GRP_HSM : 0, lh);
+
+ OBD_FREE(lh, len);
+ if (rc < 0)
+ return rc;
+ return count;
}
-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/files", rd_files, 0, 0},
- {"status/filesfree", rd_filesfree, 0, 0},
- {"status/filegroups", rd_filegroups, 0, 0},
- {"status/mds_server_uuid", rd_server_uuid, 0, 0},
- {"status/mds_conn_uuid", rd_conn_uuid, 0, 0},
- {0}
+static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
+ { "connect_flags", lprocfs_rd_connect_flags, 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 },
+ /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
+ { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
+ { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
+ { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
+ mdc_wr_max_rpcs_in_flight, 0 },
+ { "timeouts", lprocfs_rd_timeouts, 0, 0 },
+ { "import", lprocfs_rd_import, 0, 0 },
+ { "state", lprocfs_rd_state, 0, 0 },
+ { "changelog_trigger",0,lproc_mdc_wr_changelog, 0 },
+ { "hsm_nl", 0, mdc_wr_netlink, 0, 0, 0222 },
+ { 0 }
};
-int rd_numrefs(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_type* class = (struct obd_type*)data;
- int len = 0;
- len += snprintf(page, count, "%d\n", class->typ_refcnt);
- return len;
-}
-struct lprocfs_vars status_class_var[] = {
- {"status/num_refs", rd_numrefs, 0, 0},
- {0}
+static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
};
+
+void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_mdc_module_vars;
+ lvars->obd_vars = lprocfs_mdc_obd_vars;
+}
+#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff