-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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 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 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).
*
- * 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.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
+ * Copyright (c) 2011, 2017, Intel Corporation.
+ */
+/*
+ * 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_class.h>
-#include <linux/lprocfs_status.h>
+#include <obd_cksum.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
#include <linux/seq_file.h>
+#include <lustre_osc.h>
+
#include "osc_internal.h"
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
+static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ int rc;
+
+ LPROCFS_CLIMP_CHECK(dev);
+ rc = sprintf(buf, "%d\n", !dev->u.cli.cl_import->imp_deactive);
+ LPROCFS_CLIMP_EXIT(dev);
+ return rc;
+}
-int osc_rd_max_pages_per_rpc(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ /* opposite senses */
+ if (dev->u.cli.cl_import->imp_deactive == val)
+ rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
+ else
+ CDEBUG(D_CONFIG, "activate %u: ignoring repeat request\n",
+ (unsigned int)val);
+
+ return count;
+}
+LUSTRE_RW_ATTR(active);
- spin_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%d\n", cli->cl_max_pages_per_rpc);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ ssize_t len;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ len = sprintf(buf, "%u\n", cli->cl_max_rpcs_in_flight);
+ spin_unlock(&cli->cl_loi_list_lock);
+ return len;
}
-int osc_wr_max_pages_per_rpc(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ int adding, added, req_count;
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val == 0 || val > OSC_MAX_RIF_MAX)
+ return -ERANGE;
+
+ LPROCFS_CLIMP_CHECK(dev);
+
+ adding = (int)val - cli->cl_max_rpcs_in_flight;
+ req_count = atomic_read(&osc_pool_req_count);
+ if (adding > 0 && req_count < osc_reqpool_maxreqcount) {
+ /*
+ * There might be some race which will cause over-limit
+ * allocation, but it is fine.
+ */
+ if (req_count + adding > osc_reqpool_maxreqcount)
+ adding = osc_reqpool_maxreqcount - req_count;
+
+ added = osc_rq_pool->prp_populate(osc_rq_pool, adding);
+ atomic_add(added, &osc_pool_req_count);
+ }
+
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_max_rpcs_in_flight = val;
+ client_adjust_max_dirty(cli);
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ LPROCFS_CLIMP_EXIT(dev);
+ return count;
+}
+LUSTRE_RW_ATTR(max_rpcs_in_flight);
+
+static ssize_t max_dirty_mb_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct client_obd *cli = &dev->u.cli;
- int val, rc;
+ long val;
+ int mult;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ spin_lock(&cli->cl_loi_list_lock);
+ val = cli->cl_dirty_max_pages;
+ spin_unlock(&cli->cl_loi_list_lock);
- if (val < 1 || val > PTLRPC_MAX_BRW_PAGES)
- return -ERANGE;
+ mult = 1 << (20 - PAGE_SHIFT);
+ return lprocfs_read_frac_helper(buf, PAGE_SIZE, val, mult);
+}
+
+static ssize_t max_dirty_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ unsigned long pages_number;
+ int rc;
- spin_lock(&cli->cl_loi_list_lock);
- cli->cl_max_pages_per_rpc = val;
- spin_unlock(&cli->cl_loi_list_lock);
+ rc = kstrtoul(buffer, 10, &pages_number);
+ if (rc)
+ return rc;
- return count;
+ pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */
+
+ if (pages_number <= 0 ||
+ pages_number >= OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) ||
+ pages_number > totalram_pages / 4) /* 1/4 of RAM */
+ return -ERANGE;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_dirty_max_pages = pages_number;
+ osc_wake_cache_waiters(cli);
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ return count;
}
+LUSTRE_RW_ATTR(max_dirty_mb);
+
+LUSTRE_ATTR(ost_conn_uuid, 0444, conn_uuid_show, NULL);
+LUSTRE_RO_ATTR(conn_uuid);
-int osc_rd_max_rpcs_in_flight(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+LUSTRE_RW_ATTR(ping);
+
+static int osc_cached_mb_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *dev = m->private;
+ struct client_obd *cli = &dev->u.cli;
+ int shift = 20 - PAGE_SHIFT;
+
+ seq_printf(m, "used_mb: %ld\n"
+ "busy_cnt: %ld\n"
+ "reclaim: %llu\n",
+ (atomic_long_read(&cli->cl_lru_in_list) +
+ atomic_long_read(&cli->cl_lru_busy)) >> shift,
+ atomic_long_read(&cli->cl_lru_busy),
+ cli->cl_lru_reclaim);
+
+ return 0;
+}
- spin_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+/* shrink the number of caching pages to a specific number */
+static ssize_t osc_cached_mb_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+ struct client_obd *cli = &dev->u.cli;
+ __s64 pages_number;
+ long rc;
+ char kernbuf[128];
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) -
+ kernbuf;
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &pages_number, 'M');
+ if (rc)
+ return rc;
+
+ pages_number >>= PAGE_SHIFT;
+
+ if (pages_number < 0)
+ return -ERANGE;
+
+ rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
+ if (rc > 0) {
+ struct lu_env *env;
+ __u16 refcheck;
+
+ env = cl_env_get(&refcheck);
+ if (!IS_ERR(env)) {
+ (void)osc_lru_shrink(env, cli, rc, true);
+ cl_env_put(env, &refcheck);
+ }
+ }
+
+ return count;
}
-int osc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
- unsigned long count, void *data)
+LPROC_SEQ_FOPS(osc_cached_mb);
+
+static ssize_t cur_dirty_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int val, rc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ ssize_t len;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ spin_lock(&cli->cl_loi_list_lock);
+ len = sprintf(buf, "%lu\n", cli->cl_dirty_pages << PAGE_SHIFT);
+ spin_unlock(&cli->cl_loi_list_lock);
- if (val < 1 || val > OSC_MAX_RIF_MAX)
- return -ERANGE;
+ return len;
+}
+LUSTRE_RO_ATTR(cur_dirty_bytes);
- spin_lock(&cli->cl_loi_list_lock);
- cli->cl_max_rpcs_in_flight = val;
- spin_unlock(&cli->cl_loi_list_lock);
+static int osc_cur_grant_bytes_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct client_obd *cli = &dev->u.cli;
- return count;
+ spin_lock(&cli->cl_loi_list_lock);
+ seq_printf(m, "%lu\n", cli->cl_avail_grant);
+ spin_unlock(&cli->cl_loi_list_lock);
+ return 0;
}
-int osc_rd_max_dirty_mb(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t osc_cur_grant_bytes_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- unsigned val;
+ struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
+ struct client_obd *cli = &obd->u.cli;
+ s64 val;
+ int rc;
+
+ if (obd == NULL)
+ return 0;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
+ if (rc)
+ return rc;
+ if (val < 0)
+ return val;
+
+ /* this is only for shrinking grant */
+ spin_lock(&cli->cl_loi_list_lock);
+ if (val >= cli->cl_avail_grant) {
+ spin_unlock(&cli->cl_loi_list_lock);
+ return 0;
+ }
+
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ LPROCFS_CLIMP_CHECK(obd);
+ if (cli->cl_import->imp_state == LUSTRE_IMP_FULL)
+ rc = osc_shrink_grant_to_target(cli, val);
+ LPROCFS_CLIMP_EXIT(obd);
+
+ return rc ? rc : count;
+}
+LPROC_SEQ_FOPS(osc_cur_grant_bytes);
- spin_lock(&cli->cl_loi_list_lock);
- val = cli->cl_dirty_max >> 20;
- spin_unlock(&cli->cl_loi_list_lock);
+static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ ssize_t len;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ len = sprintf(buf, "%lu\n", cli->cl_lost_grant);
+ spin_unlock(&cli->cl_loi_list_lock);
+ return len;
+}
+LUSTRE_RO_ATTR(cur_lost_grant_bytes);
- return snprintf(page, count, "%u\n", val);
+static ssize_t grant_shrink_interval_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%lld\n", obd->u.cli.cl_grant_shrink_interval);
}
-int osc_wr_max_dirty_mb(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t grant_shrink_interval_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ unsigned int val;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
- if (val < 0 || val > OSC_MAX_DIRTY_MB_MAX ||
- val > num_physpages >> (20 - PAGE_SHIFT - 2)) /* 1/4 of RAM */
- return -ERANGE;
+ if (val == 0)
+ return -ERANGE;
- spin_lock(&cli->cl_loi_list_lock);
- cli->cl_dirty_max = (obd_count)val * 1024 * 1024;
- osc_wake_cache_waiters(cli);
- spin_unlock(&cli->cl_loi_list_lock);
+ obd->u.cli.cl_grant_shrink_interval = val;
- return count;
+ return count;
}
+LUSTRE_RW_ATTR(grant_shrink_interval);
-int osc_rd_cur_dirty_bytes(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t checksums_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- spin_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%lu\n", cli->cl_dirty);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+ return sprintf(buf, "%d\n", obd->u.cli.cl_checksum ? 1 : 0);
}
-int osc_rd_cur_grant_bytes(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t checksums_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
-
- spin_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%lu\n", cli->cl_avail_grant);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
-}
-
-static struct lprocfs_vars lprocfs_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 },
- //{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
- { "ost_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
- { "ost_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
- { "max_pages_per_rpc", osc_rd_max_pages_per_rpc,
- osc_wr_max_pages_per_rpc, 0 },
- { "max_rpcs_in_flight", osc_rd_max_rpcs_in_flight,
- osc_wr_max_rpcs_in_flight, 0 },
- { "max_dirty_mb", osc_rd_max_dirty_mb, osc_wr_max_dirty_mb, 0 },
- { "cur_dirty_bytes", osc_rd_cur_dirty_bytes, 0, 0 },
- { "cur_grant_bytes", osc_rd_cur_grant_bytes, 0, 0 },
- { 0 }
-};
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ bool val;
+ int rc;
-static struct lprocfs_vars lprocfs_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
-};
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
-#define pct(a,b) (b ? a * 100 / b : 0)
+ obd->u.cli.cl_checksum = val;
-#define PRINTF_STIME(stime) (unsigned long)(stime)->st_num, \
- lprocfs_stime_avg_ms(stime), lprocfs_stime_avg_us(stime)
+ return count;
+}
+LUSTRE_RW_ATTR(checksums);
+static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *obd = m->private;
+ int i;
+ DECLARE_CKSUM_NAME;
+
+ if (obd == NULL)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
+ if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
+ continue;
+ if (obd->u.cli.cl_cksum_type == (1 << i))
+ seq_printf(m, "[%s] ", cksum_name[i]);
+ else
+ seq_printf(m, "%s ", cksum_name[i]);
+ }
+ seq_printf(m, "\n");
+ return 0;
+}
-static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
+static ssize_t osc_checksum_type_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct timeval now;
- struct obd_device *dev = seq->private;
- struct client_obd *cli = &dev->u.cli;
- unsigned long flags;
- unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
- int i;
+ struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
+ int i;
+ DECLARE_CKSUM_NAME;
+ char kernbuf[10];
+
+ if (obd == NULL)
+ return 0;
+
+ if (count > sizeof(kernbuf) - 1)
+ return -EINVAL;
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ if (count > 0 && kernbuf[count - 1] == '\n')
+ kernbuf[count - 1] = '\0';
+ else
+ kernbuf[count] = '\0';
+
+ for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
+ if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
+ continue;
+ if (!strcmp(kernbuf, cksum_name[i])) {
+ obd->u.cli.cl_cksum_type = 1 << i;
+ return count;
+ }
+ }
+ return -EINVAL;
+}
+LPROC_SEQ_FOPS(osc_checksum_type);
- do_gettimeofday(&now);
+static ssize_t resend_count_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- spin_lock_irqsave(&cli->cl_loi_list_lock, flags);
+ return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends));
+}
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
+static ssize_t resend_count_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ unsigned int val;
+ int rc;
- seq_printf(seq, "read RPCs in flight: %d\n",
- cli->cl_r_in_flight);
- seq_printf(seq, "write RPCs in flight: %d\n",
- cli->cl_w_in_flight);
- seq_printf(seq, "pending write pages: %d\n",
- cli->cl_pending_w_pages);
- seq_printf(seq, "pending read pages: %d\n",
- cli->cl_pending_r_pages);
+ rc = kstrtouint(buffer, 10, &val);
+ if (rc)
+ return rc;
+ atomic_set(&obd->u.cli.cl_resends, val);
- seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "pages per rpc rpcs %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
+ return count;
+}
+LUSTRE_RW_ATTR(resend_count);
+
+static ssize_t checksum_dump_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%d\n", obd->u.cli.cl_checksum_dump ? 1 : 0);
+}
+
+static ssize_t checksum_dump_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ obd->u.cli.cl_checksum_dump = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(checksum_dump);
+
+static ssize_t contention_seconds_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+
+ return sprintf(buf, "%lld\n", od->od_contention_time);
+}
+
+static ssize_t contention_seconds_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ od->od_contention_time = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(contention_seconds);
+
+static ssize_t lockless_truncate_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+
+ return sprintf(buf, "%u\n", od->od_lockless_truncate);
+}
+
+static ssize_t lockless_truncate_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ od->od_lockless_truncate = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(lockless_truncate);
+
+static ssize_t destroys_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%u\n",
+ atomic_read(&obd->u.cli.cl_destroy_in_flight));
+}
+LUSTRE_RO_ATTR(destroys_in_flight);
+
+LPROC_SEQ_FOPS_RW_TYPE(osc, obd_max_pages_per_rpc);
+
+LUSTRE_RW_ATTR(short_io_bytes);
+
+#ifdef CONFIG_PROC_FS
+static int osc_unstable_stats_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct client_obd *cli = &dev->u.cli;
+ long pages;
+ int mb;
+
+ pages = atomic_long_read(&cli->cl_unstable_count);
+ mb = (pages * PAGE_SIZE) >> 20;
+
+ seq_printf(m, "unstable_pages: %20ld\n"
+ "unstable_mb: %10d\n",
+ pages, mb);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(osc_unstable_stats);
+
+static ssize_t idle_timeout_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
+ int ret;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ ret = sprintf(buf, "%u\n", cli->cl_import->imp_idle_timeout);
+ LPROCFS_CLIMP_EXIT(obd);
- read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
- write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
+ return ret;
+}
+
+static ssize_t idle_timeout_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ struct ptlrpc_request *req;
+ unsigned int idle_debug = 0;
+ unsigned int val;
+ int rc;
+
+ if (strncmp(buffer, "debug", 5) == 0) {
+ idle_debug = D_CONSOLE;
+ } else if (strncmp(buffer, "nodebug", 6) == 0) {
+ idle_debug = D_HA;
+ } else {
+ rc = kstrtouint(buffer, 10, &val);
+ if (rc)
+ return rc;
+
+ if (val > CONNECTION_SWITCH_MAX)
+ return -ERANGE;
+ }
+
+ LPROCFS_CLIMP_CHECK(dev);
+ if (idle_debug) {
+ cli->cl_import->imp_idle_debug = idle_debug;
+ } else {
+ if (!val) {
+ /* initiate the connection if it's in IDLE state */
+ req = ptlrpc_request_alloc(cli->cl_import,
+ &RQF_OST_STATFS);
+ if (req != NULL)
+ ptlrpc_req_finished(req);
+ }
+ cli->cl_import->imp_idle_timeout = val;
+ }
+ LPROCFS_CLIMP_EXIT(dev);
+
+ return count;
+}
+LUSTRE_RW_ATTR(idle_timeout);
+
+static ssize_t idle_connect_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ struct ptlrpc_request *req;
+
+ LPROCFS_CLIMP_CHECK(dev);
+ /* to initiate the connection if it's in IDLE state */
+ req = ptlrpc_request_alloc(cli->cl_import, &RQF_OST_STATFS);
+ if (req)
+ ptlrpc_req_finished(req);
+ ptlrpc_pinger_force(cli->cl_import);
+ LPROCFS_CLIMP_EXIT(dev);
+
+ return count;
+}
+LUSTRE_WO_ATTR(idle_connect);
+
+static ssize_t grant_shrink_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
+ struct obd_connect_data *ocd;
+ ssize_t len;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ ocd = &cli->cl_import->imp_connect_data;
+
+ len = snprintf(buf, PAGE_SIZE, "%d\n",
+ !!OCD_HAS_FLAG(ocd, GRANT_SHRINK));
+ LPROCFS_CLIMP_EXIT(obd);
+
+ return len;
+}
+
+static ssize_t grant_shrink_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &dev->u.cli;
+ struct obd_connect_data *ocd;
+ bool val;
+ int rc;
+
+ if (dev == NULL)
+ return 0;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ LPROCFS_CLIMP_CHECK(dev);
+ ocd = &cli->cl_import->imp_connect_data;
+
+ if (!val) {
+ if (OCD_HAS_FLAG(ocd, GRANT_SHRINK))
+ ocd->ocd_connect_flags &= ~OBD_CONNECT_GRANT_SHRINK;
+ } else {
+ /**
+ * server replied obd_connect_data is always bigger, so
+ * client's imp_connect_flags_orig are always supported
+ * by the server
+ */
+ if (!OCD_HAS_FLAG(ocd, GRANT_SHRINK) &&
+ cli->cl_import->imp_connect_flags_orig &
+ OBD_CONNECT_GRANT_SHRINK)
+ ocd->ocd_connect_flags |= OBD_CONNECT_GRANT_SHRINK;
+ }
+
+ LPROCFS_CLIMP_EXIT(dev);
+
+ return count;
+}
+LUSTRE_RW_ATTR(grant_shrink);
+
+LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags);
+LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts);
+LPROC_SEQ_FOPS_RO_TYPE(osc, state);
+
+LPROC_SEQ_FOPS_RW_TYPE(osc, import);
+LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov);
+
+struct lprocfs_vars lprocfs_osc_obd_vars[] = {
+ { .name = "connect_flags",
+ .fops = &osc_connect_flags_fops },
+ { .name = "ost_server_uuid",
+ .fops = &osc_server_uuid_fops },
+ { .name = "max_pages_per_rpc",
+ .fops = &osc_obd_max_pages_per_rpc_fops },
+ { .name = "osc_cached_mb",
+ .fops = &osc_cached_mb_fops },
+ { .name = "cur_grant_bytes",
+ .fops = &osc_cur_grant_bytes_fops },
+ { .name = "checksum_type",
+ .fops = &osc_checksum_type_fops },
+ { .name = "timeouts",
+ .fops = &osc_timeouts_fops },
+ { .name = "import",
+ .fops = &osc_import_fops },
+ { .name = "state",
+ .fops = &osc_state_fops },
+ { .name = "pinger_recov",
+ .fops = &osc_pinger_recov_fops },
+ { .name = "unstable_stats",
+ .fops = &osc_unstable_stats_fops },
+ { NULL }
+};
+
+static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct timespec64 now;
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
+ int i;
+
+ ktime_get_real_ts64(&now);
+
+ spin_lock(&cli->cl_loi_list_lock);
+
+ seq_printf(seq, "snapshot_time: %lld.%09lu (secs.nsecs)\n",
+ (s64)now.tv_sec, now.tv_nsec);
+ seq_printf(seq, "read RPCs in flight: %d\n",
+ cli->cl_r_in_flight);
+ seq_printf(seq, "write RPCs in flight: %d\n",
+ cli->cl_w_in_flight);
+ seq_printf(seq, "pending write pages: %d\n",
+ atomic_read(&cli->cl_pending_w_pages));
+ seq_printf(seq, "pending read pages: %d\n",
+ atomic_read(&cli->cl_pending_r_pages));
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "pages per rpc rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = cli->cl_read_page_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_page_hist.oh_buckets[i];
+
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
+ 1 << i, r, pct(r, read_tot),
+ pct(read_cum, read_tot), w,
+ pct(w, write_tot),
+ pct(write_cum, write_tot));
+ if (read_cum == read_tot && write_cum == write_tot)
+ break;
+ }
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
read_cum = 0;
write_cum = 0;
for (i = 0; i < OBD_HIST_MAX; i++) {
- unsigned long r = cli->cl_read_page_hist.oh_buckets[i];
- unsigned long w = cli->cl_write_page_hist.oh_buckets[i];
+ unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i];
read_cum += r;
write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
- 1 << i, r, pct(r, read_tot),
- pct(read_cum, read_tot), w,
- pct(w, write_tot),
- pct(write_cum, write_tot));
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
+ i, r, pct(r, read_tot),
+ pct(read_cum, read_tot), w,
+ pct(w, write_tot),
+ pct(write_cum, write_tot));
if (read_cum == read_tot && write_cum == write_tot)
break;
}
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
+ seq_printf(seq, "offset rpcs %% cum %% |");
seq_printf(seq, " rpcs %% cum %%\n");
- read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
- write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
+ read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist);
read_cum = 0;
write_cum = 0;
for (i = 0; i < OBD_HIST_MAX; i++) {
- unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i];
- unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i];
+ unsigned long r = cli->cl_read_offset_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_offset_hist.oh_buckets[i];
read_cum += r;
write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
- i, r, pct(r, read_tot),
- pct(read_cum, read_tot), w,
- pct(w, write_tot),
- pct(write_cum, write_tot));
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
+ (i == 0) ? 0 : 1 << (i - 1),
+ r, pct(r, read_tot), pct(read_cum, read_tot),
+ w, pct(w, write_tot), pct(write_cum, write_tot));
if (read_cum == read_tot && write_cum == write_tot)
break;
}
- seq_printf(seq, "\nrpc service time: (rpcs, average ms)\n");
- seq_printf(seq, "\tread\t%lu\t%lu.%04lu\n",
- PRINTF_STIME(&cli->cl_read_stime));
- seq_printf(seq, "\twrite\t%lu\t%lu.%04lu\n\n",
- PRINTF_STIME(&cli->cl_write_stime));
-
- seq_printf(seq, "app waiting: (num, average ms)\n");
- seq_printf(seq, "\tenter cache\t%lu\t%lu.%04lu\n",
- PRINTF_STIME(&cli->cl_enter_stime));
-
- spin_unlock_irqrestore(&cli->cl_loi_list_lock, flags);
+ spin_unlock(&cli->cl_loi_list_lock);
return 0;
}
-#undef pct
-static void *osc_rpc_stats_seq_start(struct seq_file *p, loff_t *pos)
-{
- if (*pos == 0)
- return (void *)1;
- return NULL;
-}
-static void *osc_rpc_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
-{
- ++*pos;
- return NULL;
-}
-static void osc_rpc_stats_seq_stop(struct seq_file *p, void *v)
-{
-}
-struct seq_operations osc_rpc_stats_seq_sops = {
- .start = osc_rpc_stats_seq_start,
- .stop = osc_rpc_stats_seq_stop,
- .next = osc_rpc_stats_seq_next,
- .show = osc_rpc_stats_seq_show,
-};
-
-static int osc_rpc_stats_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, &osc_rpc_stats_seq_sops);
- if (rc)
- return rc;
- seq = file->private_data;
- seq->private = dp->data;
- return 0;
-}
-
-static ssize_t osc_rpc_stats_seq_write(struct file *file, const char *buf,
+static ssize_t osc_rpc_stats_seq_write(struct file *file,
+ const char __user *buf,
size_t len, loff_t *off)
{
struct seq_file *seq = file->private_data;
lprocfs_oh_clear(&cli->cl_write_rpc_hist);
lprocfs_oh_clear(&cli->cl_read_page_hist);
lprocfs_oh_clear(&cli->cl_write_page_hist);
+ lprocfs_oh_clear(&cli->cl_read_offset_hist);
+ lprocfs_oh_clear(&cli->cl_write_offset_hist);
- memset(&cli->cl_read_stime, 0, sizeof(cli->cl_read_stime));
- memset(&cli->cl_write_stime, 0, sizeof(cli->cl_write_stime));
- memset(&cli->cl_enter_stime, 0, sizeof(cli->cl_enter_stime));
+ return len;
+}
+LPROC_SEQ_FOPS(osc_rpc_stats);
+
+static int osc_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct timespec64 now;
+ struct obd_device *dev = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
+
+ ktime_get_real_ts64(&now);
+
+ seq_printf(seq, "snapshot_time: %lld.%09lu (secs.nsecs)\n",
+ (s64)now.tv_sec, now.tv_nsec);
+ seq_printf(seq, "lockless_write_bytes\t\t%llu\n",
+ stats->os_lockless_writes);
+ seq_printf(seq, "lockless_read_bytes\t\t%llu\n",
+ stats->os_lockless_reads);
+ seq_printf(seq, "lockless_truncate\t\t%llu\n",
+ stats->os_lockless_truncates);
+ return 0;
+}
+
+static ssize_t osc_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct obd_device *dev = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
+ memset(stats, 0, sizeof(*stats));
return len;
}
-struct file_operations osc_rpc_stats_fops = {
- .owner = THIS_MODULE,
- .open = osc_rpc_stats_seq_open,
- .read = seq_read,
- .write = osc_rpc_stats_seq_write,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+LPROC_SEQ_FOPS(osc_stats);
-int lproc_osc_attach_seqstat(struct obd_device *dev)
+int lprocfs_osc_attach_seqstat(struct obd_device *dev)
{
- return lprocfs_obd_seq_create(dev, "rpc_stats", 0444,
- &osc_rpc_stats_fops, dev);
+ int rc;
+
+ rc = lprocfs_seq_create(dev->obd_proc_entry, "osc_stats", 0644,
+ &osc_stats_fops, dev);
+ if (rc == 0)
+ rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0644,
+ &osc_rpc_stats_fops, dev);
+
+ return rc;
}
+#endif /* CONFIG_PROC_FS */
+
+static struct attribute *osc_attrs[] = {
+ &lustre_attr_active.attr,
+ &lustre_attr_checksums.attr,
+ &lustre_attr_checksum_dump.attr,
+ &lustre_attr_contention_seconds.attr,
+ &lustre_attr_cur_dirty_bytes.attr,
+ &lustre_attr_cur_lost_grant_bytes.attr,
+ &lustre_attr_destroys_in_flight.attr,
+ &lustre_attr_grant_shrink_interval.attr,
+ &lustre_attr_lockless_truncate.attr,
+ &lustre_attr_max_dirty_mb.attr,
+ &lustre_attr_max_rpcs_in_flight.attr,
+ &lustre_attr_short_io_bytes.attr,
+ &lustre_attr_resend_count.attr,
+ &lustre_attr_ost_conn_uuid.attr,
+ &lustre_attr_conn_uuid.attr,
+ &lustre_attr_ping.attr,
+ &lustre_attr_idle_timeout.attr,
+ &lustre_attr_idle_connect.attr,
+ &lustre_attr_grant_shrink.attr,
+ NULL,
+};
-#endif /* LPROCFS */
-LPROCFS_INIT_VARS(osc, lprocfs_module_vars, lprocfs_obd_vars)
+int osc_tunables_init(struct obd_device *obd)
+{
+#if defined(CONFIG_PROC_FS) && defined(HAVE_SERVER_SUPPORT)
+ struct obd_type *type;
+#endif
+ int rc;
+
+ obd->obd_vars = lprocfs_osc_obd_vars;
+#if defined(CONFIG_PROC_FS) && defined(HAVE_SERVER_SUPPORT)
+ /* If this is true then both client (osc) and server (osp) are on the
+ * same node. The osp layer if loaded first will register the osc proc
+ * directory. In that case this obd_device will be attached its proc
+ * tree to type->typ_procsym instead of obd->obd_type->typ_procroot.
+ */
+ type = class_search_type(LUSTRE_OSP_NAME);
+ if (type && type->typ_procsym) {
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ type->typ_procsym,
+ obd->obd_vars, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n", rc,
+ obd->obd_name);
+ obd->obd_proc_entry = NULL;
+ }
+ }
+#endif
+ obd->obd_ktype.default_attrs = osc_attrs;
+ rc = lprocfs_obd_setup(obd, false);
+ if (rc)
+ return rc;
+#ifdef CONFIG_PROC_FS
+ /* If the basic OSC proc tree construction succeeded then
+ * lets do the rest.
+ */
+ rc = lprocfs_osc_attach_seqstat(obd);
+ if (rc)
+ goto obd_cleanup;
+
+#endif /* CONFIG_PROC_FS */
+ rc = sptlrpc_lprocfs_cliobd_attach(obd);
+ if (rc)
+ goto obd_cleanup;
+
+ ptlrpc_lprocfs_register_obd(obd);
+obd_cleanup:
+ if (rc)
+ lprocfs_obd_cleanup(obd);
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff