*
* Copyright (C) 2002, 2003 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_OST
-#include <linux/obd_class.h>
-#include <linux/lprocfs_status.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
#include <linux/seq_file.h>
+#include "ost_internal.h"
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
+#ifdef LPROCFS
static struct lprocfs_vars lprocfs_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ 0 }
{ 0 }
};
-#define PRINTF_STIME(stime) (unsigned long)(stime)->st_num, \
- lprocfs_stime_avg_ms(stime), lprocfs_stime_avg_us(stime)
-
-static int ost_stimes_seq_show(struct seq_file *seq, void *v)
+void
+ost_print_req(void *seq_file, struct ptlrpc_request *req)
{
- struct timeval now;
- struct obd_device *dev = seq->private;
- struct ost_obd *ost = &dev->u.ost;
-
- do_gettimeofday(&now);
-
- spin_lock(&ost->ost_lock);
-
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
-
- seq_printf(seq, "\nread rpc service time: (rpcs, average ms)\n");
- seq_printf(seq, "\tprep\t%lu\t%lu.%04lu\n",
- PRINTF_STIME(&ost->ost_stimes[0]));
- seq_printf(seq, "\tbulk\t%lu\t%lu.%04lu\n\n",
- PRINTF_STIME(&ost->ost_stimes[1]));
- seq_printf(seq, "\tcommit\t%lu\t%lu.%04lu\n\n",
- PRINTF_STIME(&ost->ost_stimes[2]));
-
- seq_printf(seq, "\nwrite rpc service time: (rpcs, average ms)\n");
- seq_printf(seq, "\tprep\t%lu\t%lu.%04lu\n",
- PRINTF_STIME(&ost->ost_stimes[3]));
- seq_printf(seq, "\tbulk\t%lu\t%lu.%04lu\n\n",
- PRINTF_STIME(&ost->ost_stimes[4]));
- seq_printf(seq, "\tcommit\t%lu\t%lu.%04lu\n\n",
- PRINTF_STIME(&ost->ost_stimes[5]));
-
- spin_unlock(&ost->ost_lock);
-
- return 0;
+ /* Called holding srv_lock with irqs disabled.
+ * Print specific req contents and a newline.
+ * CAVEAT EMPTOR: check request message length before printing!!!
+ * You might have received any old crap so you must be just as
+ * careful here as the service's request parser!!! */
+ struct seq_file *sf = seq_file;
+
+ switch (req->rq_phase) {
+ case RQ_PHASE_NEW:
+ /* still awaiting a service thread's attention, or rejected
+ * because the generic request message didn't unpack */
+ seq_printf(sf, "<not swabbed>\n");
+ break;
+
+ case RQ_PHASE_INTERPRET:
+ /* being handled, so basic msg swabbed, and opc is valid
+ * but racing with ost_handle() */
+ seq_printf(sf, "opc %d\n", lustre_msg_get_opc(req->rq_reqmsg));
+ break;
+
+ case RQ_PHASE_COMPLETE:
+ /* been handled by ost_handle() reply state possibly still
+ * volatile */
+ seq_printf(sf, "opc %d\n", lustre_msg_get_opc(req->rq_reqmsg));
+ break;
+
+ default:
+ LBUG();
+ }
}
-static void *ost_stimes_seq_start(struct seq_file *p, loff_t *pos)
-{
- if (*pos == 0)
- return (void *)1;
- return NULL;
-}
-static void *ost_stimes_seq_next(struct seq_file *p, void *v, loff_t *pos)
-{
- ++*pos;
- return NULL;
-}
-static void ost_stimes_seq_stop(struct seq_file *p, void *v)
-{
-}
-struct seq_operations ost_stimes_seq_sops = {
- .start = ost_stimes_seq_start,
- .stop = ost_stimes_seq_stop,
- .next = ost_stimes_seq_next,
- .show = ost_stimes_seq_show,
-};
-
-static int ost_stimes_seq_open(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seq;
- int rc;
-
- rc = seq_open(file, &ost_stimes_seq_sops);
- if (rc)
- return rc;
- seq = file->private_data;
- seq->private = dp->data;
- return 0;
-}
-
-static ssize_t ost_stimes_seq_write(struct file *file, const char *buf,
- size_t len, loff_t *off)
-{
- struct seq_file *seq = file->private_data;
- struct obd_device *dev = seq->private;
- struct ost_obd *ost = &dev->u.ost;
-
- spin_lock(&ost->ost_lock);
- memset(&ost->ost_stimes, 0, sizeof(ost->ost_stimes));
- spin_unlock(&ost->ost_lock);
-
- return len;
-}
-
-struct file_operations ost_stimes_fops = {
- .owner = THIS_MODULE,
- .open = ost_stimes_seq_open,
- .read = seq_read,
- .write = ost_stimes_seq_write,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-#endif /* LPROCFS */
LPROCFS_INIT_VARS(ost, lprocfs_module_vars, lprocfs_obd_vars)
+#endif /* LPROCFS */