*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * 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 <obd_class.h>
#include <lprocfs_status.h>
#include <linux/seq_file.h>
+#include <lustre_osc.h>
+
#include "osc_internal.h"
-#ifdef LPROCFS
-static int osc_active_seq_show(struct seq_file *m, void *v)
+static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct obd_import *imp;
int rc;
- LPROCFS_CLIMP_CHECK(dev);
- rc = seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive);
- LPROCFS_CLIMP_EXIT(dev);
+ with_imp_locked(obd, imp, rc)
+ rc = sprintf(buf, "%d\n", !imp->imp_deactive);
+
return rc;
}
-static ssize_t osc_active_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct obd_import *imp, *imp0;
+ bool val;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
- if (val < 0 || val > 1)
- return -ERANGE;
+ 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 %d: ignoring repeat request\n", val);
+ with_imp_locked(obd, imp0, rc)
+ imp = class_import_get(imp0);
+ if (rc)
+ return rc;
+ /* opposite senses */
+ if (imp->imp_deactive == val)
+ rc = ptlrpc_set_import_active(imp, val);
+ else
+ CDEBUG(D_CONFIG, "activate %u: ignoring repeat request\n",
+ (unsigned int)val);
+ class_import_put(imp);
- return count;
+ return rc ?: count;
}
-LPROC_SEQ_FOPS(osc_active);
+LUSTRE_RW_ATTR(active);
-static int osc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
+static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
- spin_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+ return scnprintf(buf, PAGE_SIZE, "%u\n", cli->cl_max_rpcs_in_flight);
}
-static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- struct client_obd *cli = &dev->u.cli;
- struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
+ int adding, added, req_count;
+ 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 < 1 || val > OSC_MAX_RIF_MAX)
- return -ERANGE;
+ if (val == 0 || val > OSC_MAX_RIF_MAX)
+ return -ERANGE;
- LPROCFS_CLIMP_CHECK(dev);
- if (pool && val > cli->cl_max_rpcs_in_flight)
- pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight);
+ 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;
}
-LPROC_SEQ_FOPS(osc_max_rpcs_in_flight);
+LUSTRE_RW_ATTR(max_rpcs_in_flight);
-static int osc_max_dirty_mb_seq_show(struct seq_file *m, void *v)
+static ssize_t max_dirty_mb_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- long val;
- int mult;
-
- spin_lock(&cli->cl_loi_list_lock);
- val = cli->cl_dirty_max_pages;
- spin_unlock(&cli->cl_loi_list_lock);
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
- return lprocfs_seq_read_frac_helper(m, val, mult);
+ return scnprintf(buf, PAGE_SIZE, "%lu\n",
+ PAGES_TO_MiB(cli->cl_dirty_max_pages));
}
-static ssize_t osc_max_dirty_mb_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_dirty_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- struct client_obd *cli = &dev->u.cli;
- int pages_number, mult, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
+ unsigned long pages_number, max_dirty_mb;
+ int rc;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
- rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
+ rc = kstrtoul(buffer, 10, &max_dirty_mb);
if (rc)
return rc;
- if (pages_number <= 0 ||
- pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) ||
- pages_number > totalram_pages / 4) /* 1/4 of RAM */
+ pages_number = MiB_TO_PAGES(max_dirty_mb);
+
+ if (pages_number >= MiB_TO_PAGES(OSC_MAX_DIRTY_MB_MAX) ||
+ pages_number > cfs_totalram_pages() / 4) /* 1/4 of RAM */
return -ERANGE;
spin_lock(&cli->cl_loi_list_lock);
return count;
}
-LPROC_SEQ_FOPS(osc_max_dirty_mb);
+LUSTRE_RW_ATTR(max_dirty_mb);
+
+LUSTRE_ATTR(ost_conn_uuid, 0444, conn_uuid_show, NULL);
+LUSTRE_RO_ATTR(conn_uuid);
+
+LUSTRE_RW_ATTR(ping);
static int osc_cached_mb_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- int shift = 20 - PAGE_CACHE_SHIFT;
- int rc;
+ struct obd_device *obd = m->private;
+ struct client_obd *cli = &obd->u.cli;
+ int shift = 20 - PAGE_SHIFT;
- rc = seq_printf(m,
- "used_mb: %ld\n"
- "busy_cnt: %ld\n",
- (atomic_long_read(&cli->cl_lru_in_list) +
- atomic_long_read(&cli->cl_lru_busy)) >> shift,
- atomic_long_read(&cli->cl_lru_busy));
+ 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 rc;
+ return 0;
}
/* 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;
- __u64 val;
- long pages_number;
+static ssize_t osc_cached_mb_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct client_obd *cli = &obd->u.cli;
+ u64 pages_number;
+ const char *tmp;
long rc;
- int mult;
char kernbuf[128];
if (count >= sizeof(kernbuf))
return -EFAULT;
kernbuf[count] = 0;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
- buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) -
- kernbuf;
- rc = lprocfs_write_frac_u64_helper(buffer, count, &val, mult);
-
- if (rc)
+ tmp = lprocfs_find_named_value(kernbuf, "used_mb:", &count);
+ rc = sysfs_memparse(tmp, count, &pages_number, "MiB");
+ if (rc < 0)
return rc;
- if (val > LONG_MAX)
- return -ERANGE;
- pages_number = (long)val;
-
- if (pages_number < 0)
- return -ERANGE;
+ pages_number >>= PAGE_SHIFT;
rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
if (rc > 0) {
struct lu_env *env;
- int refcheck;
+ __u16 refcheck;
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
return count;
}
+
LPROC_SEQ_FOPS(osc_cached_mb);
-static int osc_cur_dirty_bytes_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_dirty_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
- spin_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%lu\n", cli->cl_dirty_pages << PAGE_CACHE_SHIFT);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+ return scnprintf(buf, PAGE_SIZE, "%lu\n",
+ cli->cl_dirty_pages << PAGE_SHIFT);
}
-LPROC_SEQ_FOPS_RO(osc_cur_dirty_bytes);
+LUSTRE_RO_ATTR(cur_dirty_bytes);
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;
- int rc;
+ struct obd_device *obd = m->private;
+ struct client_obd *cli = &obd->u.cli;
- spin_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%lu\n", cli->cl_avail_grant);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+ seq_printf(m, "%lu\n", cli->cl_avail_grant);
+ return 0;
}
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 *obd = ((struct seq_file *)file->private_data)->private;
- struct client_obd *cli = &obd->u.cli;
- int rc;
- __u64 val;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct client_obd *cli = &obd->u.cli;
+ struct obd_import *imp;
+ char kernbuf[22] = "";
+ u64 val;
+ int rc;
+
+ if (obd == NULL)
+ return 0;
- if (obd == NULL)
- return 0;
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
- if (rc)
- return rc;
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
- /* 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);
+ rc = sysfs_memparse(kernbuf, count, &val, "MiB");
+ if (rc < 0)
+ return rc;
+
+ /* this is only for shrinking grant */
+ if (val >= cli->cl_avail_grant)
return 0;
- }
- spin_unlock(&cli->cl_loi_list_lock);
+ with_imp_locked(obd, imp, rc)
+ if (imp->imp_state == LUSTRE_IMP_FULL)
+ rc = osc_shrink_grant_to_target(cli, val);
- 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);
- if (rc)
- return rc;
- return count;
+ return rc ? rc : count;
}
LPROC_SEQ_FOPS(osc_cur_grant_bytes);
-static int osc_cur_lost_grant_bytes_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
- spin_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%lu\n", cli->cl_lost_grant);
- spin_unlock(&cli->cl_loi_list_lock);
- return rc;
+ return scnprintf(buf, PAGE_SIZE, "%lu\n", cli->cl_lost_grant);
}
-LPROC_SEQ_FOPS_RO(osc_cur_lost_grant_bytes);
+LUSTRE_RO_ATTR(cur_lost_grant_bytes);
-static int osc_grant_shrink_interval_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_dirty_grant_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct client_obd *cli = &obd->u.cli;
- if (obd == NULL)
- return 0;
- return seq_printf(m, "%d\n",
- obd->u.cli.cl_grant_shrink_interval);
+ return scnprintf(buf, PAGE_SIZE, "%lu\n", cli->cl_dirty_grant);
}
+LUSTRE_RO_ATTR(cur_dirty_grant_bytes);
-static ssize_t osc_grant_shrink_interval_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t grant_shrink_interval_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- if (obd == NULL)
- return 0;
+ return sprintf(buf, "%lld\n", obd->u.cli.cl_grant_shrink_interval);
+}
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+static ssize_t grant_shrink_interval_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;
- if (val <= 0)
- return -ERANGE;
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val == 0)
+ return -ERANGE;
- obd->u.cli.cl_grant_shrink_interval = val;
+ obd->u.cli.cl_grant_shrink_interval = val;
+ osc_update_next_shrink(&obd->u.cli);
+ osc_schedule_grant_work();
- return count;
+ return count;
}
-LPROC_SEQ_FOPS(osc_grant_shrink_interval);
+LUSTRE_RW_ATTR(grant_shrink_interval);
-static int osc_checksum_seq_show(struct seq_file *m, void *v)
+static ssize_t enable_page_cache_shrink_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ return scnprintf(buf, PAGE_SIZE, "%d\n", osc_page_cache_shrink_enabled);
+}
- if (obd == NULL)
- return 0;
+static ssize_t enable_page_cache_shrink_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- return seq_printf(m, "%d\n",
- obd->u.cli.cl_checksum ? 1 : 0);
+ osc_page_cache_shrink_enabled = val;
+ return count;
}
+LUSTRE_RW_ATTR(enable_page_cache_shrink);
-static ssize_t osc_checksum_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t checksums_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", !!obd->u.cli.cl_checksum);
+}
- if (obd == NULL)
- return 0;
+static ssize_t checksums_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 = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- obd->u.cli.cl_checksum = (val ? 1 : 0);
+ obd->u.cli.cl_checksum = val;
- return count;
+ return count;
}
-LPROC_SEQ_FOPS(osc_checksum);
+LUSTRE_RW_ATTR(checksums);
+
+DECLARE_CKSUM_NAME;
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;
+ 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)
+ if ((BIT(i) & obd->u.cli.cl_supp_cksum_types) == 0)
continue;
- if (obd->u.cli.cl_cksum_type == (1 << i))
+ if (obd->u.cli.cl_cksum_type == BIT(i))
seq_printf(m, "[%s] ", cksum_name[i]);
else
seq_printf(m, "%s ", cksum_name[i]);
}
- seq_printf(m, "\n");
+ seq_puts(m, "\n");
+
return 0;
}
const char __user *buffer,
size_t count, loff_t *off)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int i;
- DECLARE_CKSUM_NAME;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
char kernbuf[10];
+ int rc = -EINVAL;
+ int i;
- if (obd == NULL)
- return 0;
+ if (obd == NULL)
+ return 0;
- if (count > sizeof(kernbuf) - 1)
- return -EINVAL;
+ 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;
+ 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 (strcasecmp(kernbuf, cksum_name[i]) == 0) {
+ obd->u.cli.cl_preferred_cksum_type = BIT(i);
+ if (obd->u.cli.cl_supp_cksum_types & BIT(i)) {
+ obd->u.cli.cl_cksum_type = BIT(i);
+ rc = count;
+ } else {
+ rc = -EOPNOTSUPP;
+ }
+ break;
+ }
+ }
+ return rc;
}
LPROC_SEQ_FOPS(osc_checksum_type);
-static int osc_resend_count_seq_show(struct seq_file *m, void *v)
+static ssize_t resend_count_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- return seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_resends));
+ return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends));
}
-static ssize_t osc_resend_count_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t resend_count_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- 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);
+ rc = kstrtouint(buffer, 10, &val);
if (rc)
return rc;
- if (val < 0)
- return -EINVAL;
-
atomic_set(&obd->u.cli.cl_resends, val);
return count;
}
-LPROC_SEQ_FOPS(osc_resend_count);
+LUSTRE_RW_ATTR(resend_count);
-static int osc_contention_seconds_seq_show(struct seq_file *m, void *v)
+static ssize_t checksum_dump_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
- struct osc_device *od = obd2osc_dev(obd);
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- return seq_printf(m, "%u\n", od->od_contention_time);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", !!obd->u.cli.cl_checksum_dump);
}
-static ssize_t osc_contention_seconds_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t checksum_dump_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- struct osc_device *od = obd2osc_dev(obd);
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ bool val;
+ int rc;
- return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?: count;
-}
-LPROC_SEQ_FOPS(osc_contention_seconds);
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
-static int osc_lockless_truncate_seq_show(struct seq_file *m, void *v)
-{
- struct obd_device *obd = m->private;
- struct osc_device *od = obd2osc_dev(obd);
+ obd->u.cli.cl_checksum_dump = val;
- return seq_printf(m, "%u\n", od->od_lockless_truncate);
+ return count;
}
+LUSTRE_RW_ATTR(checksum_dump);
-static ssize_t osc_lockless_truncate_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t destroys_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- struct osc_device *od = obd2osc_dev(obd);
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
- return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?:
- count;
+ return sprintf(buf, "%u\n",
+ atomic_read(&obd->u.cli.cl_destroy_in_flight));
}
-LPROC_SEQ_FOPS(osc_lockless_truncate);
+LUSTRE_RO_ATTR(destroys_in_flight);
-static int osc_destroys_in_flight_seq_show(struct seq_file *m, void *v)
+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 *obd = m->private;
- return seq_printf(m, "%u\n",
- atomic_read(&obd->u.cli.cl_destroy_in_flight));
+ struct client_obd *cli = &obd->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_destroys_in_flight);
+LPROC_SEQ_FOPS_RO(osc_unstable_stats);
-static int osc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
+static ssize_t idle_timeout_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- return lprocfs_obd_max_pages_per_rpc_seq_show(m, m->private);
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct obd_import *imp;
+ int ret;
+
+ with_imp_locked(obd, imp, ret)
+ ret = sprintf(buf, "%u\n", imp->imp_idle_timeout);
+
+ return ret;
}
-static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t idle_timeout_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- struct client_obd *cli = &dev->u.cli;
- struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data;
- int chunk_mask, rc;
- __u64 val;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct obd_import *imp;
+ struct ptlrpc_request *req;
+ unsigned int idle_debug = 0;
+ unsigned int val;
+ int rc;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
- if (rc)
- return 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;
+ }
- /* if the max_pages is specified in bytes, convert to pages */
- if (val >= ONE_MB_BRW_SIZE)
- val >>= PAGE_CACHE_SHIFT;
+ with_imp_locked(obd, imp, rc) {
+ if (idle_debug) {
+ imp->imp_idle_debug = idle_debug;
+ } else {
+ if (!val) {
+ /* initiate the connection if it's in IDLE state */
+ req = ptlrpc_request_alloc(imp,
+ &RQF_OST_STATFS);
+ if (req != NULL)
+ ptlrpc_req_finished(req);
+ }
+ imp->imp_idle_timeout = val;
+ }
+ }
- LPROCFS_CLIMP_CHECK(dev);
+ return count;
+}
+LUSTRE_RW_ATTR(idle_timeout);
- chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1);
- /* max_pages_per_rpc must be chunk aligned */
- val = (val + ~chunk_mask) & chunk_mask;
- if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) {
- LPROCFS_CLIMP_EXIT(dev);
- return -ERANGE;
+static ssize_t idle_connect_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 obd_import *imp;
+ struct ptlrpc_request *req;
+ int rc;
+
+ with_imp_locked(obd, imp, rc) {
+ /* to initiate the connection if it's in IDLE state */
+ req = ptlrpc_request_alloc(imp, &RQF_OST_STATFS);
+ if (req)
+ ptlrpc_req_finished(req);
+ ptlrpc_pinger_force(imp);
}
- spin_lock(&cli->cl_loi_list_lock);
- cli->cl_max_pages_per_rpc = val;
- client_adjust_max_dirty(cli);
- spin_unlock(&cli->cl_loi_list_lock);
- LPROCFS_CLIMP_EXIT(dev);
- return count;
+ return rc ?: count;
}
-LPROC_SEQ_FOPS(osc_obd_max_pages_per_rpc);
+LUSTRE_WO_ATTR(idle_connect);
-static int osc_unstable_stats_seq_show(struct seq_file *m, void *v)
+static ssize_t grant_shrink_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct client_obd *cli = &dev->u.cli;
- long pages;
- int mb;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct obd_import *imp;
+ ssize_t len;
- pages = atomic_long_read(&cli->cl_unstable_count);
- mb = (pages * PAGE_CACHE_SIZE) >> 20;
+ with_imp_locked(obd, imp, len)
+ len = scnprintf(buf, PAGE_SIZE, "%d\n",
+ !imp->imp_grant_shrink_disabled &&
+ OCD_HAS_FLAG(&imp->imp_connect_data,
+ GRANT_SHRINK));
- return seq_printf(m, "unstable_pages: %20ld\n"
- "unstable_mb: %10d\n",
- pages, mb);
+ return len;
}
-LPROC_SEQ_FOPS_RO(osc_unstable_stats);
-LPROC_SEQ_FOPS_RO_TYPE(osc, uuid);
+static ssize_t grant_shrink_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 obd_import *imp;
+ bool val;
+ int rc;
+
+ if (obd == NULL)
+ return 0;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ with_imp_locked(obd, imp, rc) {
+ spin_lock(&imp->imp_lock);
+ imp->imp_grant_shrink_disabled = !val;
+ spin_unlock(&imp->imp_lock);
+ }
+
+ return rc ?: count;
+}
+LUSTRE_RW_ATTR(grant_shrink);
+
LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags);
-LPROC_SEQ_FOPS_RO_TYPE(osc, blksize);
-LPROC_SEQ_FOPS_RO_TYPE(osc, kbytestotal);
-LPROC_SEQ_FOPS_RO_TYPE(osc, kbytesfree);
-LPROC_SEQ_FOPS_RO_TYPE(osc, kbytesavail);
-LPROC_SEQ_FOPS_RO_TYPE(osc, filestotal);
-LPROC_SEQ_FOPS_RO_TYPE(osc, filesfree);
LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid);
-LPROC_SEQ_FOPS_RO_TYPE(osc, conn_uuid);
LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts);
LPROC_SEQ_FOPS_RO_TYPE(osc, state);
-LPROC_SEQ_FOPS_WO_TYPE(osc, ping);
-
LPROC_SEQ_FOPS_RW_TYPE(osc, import);
LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov);
-struct lprocfs_seq_vars lprocfs_osc_obd_vars[] = {
- { .name = "uuid",
- .fops = &osc_uuid_fops },
- { .name = "ping",
- .fops = &osc_ping_fops,
- .proc_mode = 0222 },
+struct lprocfs_vars lprocfs_osc_obd_vars[] = {
{ .name = "connect_flags",
.fops = &osc_connect_flags_fops },
- { .name = "blocksize",
- .fops = &osc_blksize_fops },
- { .name = "kbytestotal",
- .fops = &osc_kbytestotal_fops },
- { .name = "kbytesfree",
- .fops = &osc_kbytesfree_fops },
- { .name = "kbytesavail",
- .fops = &osc_kbytesavail_fops },
- { .name = "filestotal",
- .fops = &osc_filestotal_fops },
- { .name = "filesfree",
- .fops = &osc_filesfree_fops },
{ .name = "ost_server_uuid",
.fops = &osc_server_uuid_fops },
- { .name = "ost_conn_uuid",
- .fops = &osc_conn_uuid_fops },
- { .name = "active",
- .fops = &osc_active_fops },
- { .name = "max_pages_per_rpc",
- .fops = &osc_obd_max_pages_per_rpc_fops },
- { .name = "max_rpcs_in_flight",
- .fops = &osc_max_rpcs_in_flight_fops },
- { .name = "destroys_in_flight",
- .fops = &osc_destroys_in_flight_fops },
- { .name = "max_dirty_mb",
- .fops = &osc_max_dirty_mb_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_dirty_bytes",
- .fops = &osc_cur_dirty_bytes_fops },
- { .name = "cur_grant_bytes",
- .fops = &osc_cur_grant_bytes_fops },
- { .name = "cur_lost_grant_bytes",
- .fops = &osc_cur_lost_grant_bytes_fops },
- { .name = "grant_shrink_interval",
- .fops = &osc_grant_shrink_interval_fops },
- { .name = "checksums",
- .fops = &osc_checksum_fops },
+ { .name = "cur_grant_bytes",
+ .fops = &osc_cur_grant_bytes_fops },
{ .name = "checksum_type",
.fops = &osc_checksum_type_fops },
- { .name = "resend_count",
- .fops = &osc_resend_count_fops },
{ .name = "timeouts",
.fops = &osc_timeouts_fops },
- { .name = "contention_seconds",
- .fops = &osc_contention_seconds_fops },
- { .name = "lockless_truncate",
- .fops = &osc_lockless_truncate_fops },
{ .name = "import",
.fops = &osc_import_fops },
{ .name = "state",
.fops = &osc_pinger_recov_fops },
{ .name = "unstable_stats",
.fops = &osc_unstable_stats_fops },
- { 0 }
+ { NULL }
};
-#define pct(a,b) (b ? a * 100 / b : 0)
-
static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
{
- struct timeval now;
- struct obd_device *dev = seq->private;
- struct client_obd *cli = &dev->u.cli;
+ struct obd_device *obd = seq->private;
+ struct client_obd *cli = &obd->u.cli;
unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
int i;
- do_gettimeofday(&now);
-
spin_lock(&cli->cl_loi_list_lock);
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
+ lprocfs_stats_header(seq, ktime_get_real(), cli->cl_stats_init, 25,
+ ":", true, "");
seq_printf(seq, "read RPCs in flight: %d\n",
cli->cl_r_in_flight);
seq_printf(seq, "write RPCs in flight: %d\n",
read_cum += r;
write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
+ 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),
read_cum = 0;
write_cum = 0;
- for (i = 0; i < OBD_HIST_MAX; i++) {
+ for (i = 1; 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];
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, 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;
}
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 == 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));
+ 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;
}
return 0;
}
-#undef pct
static ssize_t osc_rpc_stats_seq_write(struct file *file,
const char __user *buf,
- size_t len, loff_t *off)
+ size_t len, loff_t *off)
{
- struct seq_file *seq = file->private_data;
- struct obd_device *dev = seq->private;
- struct client_obd *cli = &dev->u.cli;
+ struct seq_file *seq = file->private_data;
+ struct obd_device *obd = seq->private;
+ struct client_obd *cli = &obd->u.cli;
- lprocfs_oh_clear(&cli->cl_read_rpc_hist);
- 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);
+ lprocfs_oh_clear(&cli->cl_read_rpc_hist);
+ 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);
+ cli->cl_stats_init = ktime_get_real();
- return len;
+ return len;
}
LPROC_SEQ_FOPS(osc_rpc_stats);
static int osc_stats_seq_show(struct seq_file *seq, void *v)
{
- struct timeval now;
- struct obd_device *dev = seq->private;
- struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
-
- do_gettimeofday(&now);
+ struct obd_device *obd = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(obd)->osc_stats;
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
- seq_printf(seq, "lockless_write_bytes\t\t"LPU64"\n",
+ lprocfs_stats_header(seq, ktime_get_real(), stats->os_init, 25, ":",
+ true, "");
+ seq_printf(seq, "lockless_write_bytes\t\t%llu\n",
stats->os_lockless_writes);
- seq_printf(seq, "lockless_read_bytes\t\t"LPU64"\n",
+ seq_printf(seq, "lockless_read_bytes\t\t%llu\n",
stats->os_lockless_reads);
- seq_printf(seq, "lockless_truncate\t\t"LPU64"\n",
- stats->os_lockless_truncates);
return 0;
}
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;
+ struct seq_file *seq = file->private_data;
+ struct obd_device *obd = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(obd)->osc_stats;
+
+ memset(stats, 0, sizeof(*stats));
+ stats->os_init = ktime_get_real();
- memset(stats, 0, sizeof(*stats));
- return len;
+ return len;
}
LPROC_SEQ_FOPS(osc_stats);
-int lproc_osc_attach_seqstat(struct obd_device *dev)
+static int lprocfs_osc_attach_seqstat(struct obd_device *obd)
{
int rc;
- rc = lprocfs_seq_create(dev->obd_proc_entry, "osc_stats", 0644,
- &osc_stats_fops, dev);
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "osc_stats", 0644,
+ &osc_stats_fops, obd);
if (rc == 0)
- rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0644,
- &osc_rpc_stats_fops, dev);
+ rc = lprocfs_obd_seq_create(obd, "rpc_stats", 0644,
+ &osc_rpc_stats_fops, obd);
+
+ return rc;
+}
+#endif /* CONFIG_PROC_FS */
+
+LUSTRE_OBD_UINT_PARAM_ATTR(at_min);
+LUSTRE_OBD_UINT_PARAM_ATTR(at_max);
+LUSTRE_OBD_UINT_PARAM_ATTR(at_history);
+LUSTRE_OBD_UINT_PARAM_ATTR(ldlm_enqueue_min);
+
+static struct attribute *osc_attrs[] = {
+ &lustre_attr_active.attr,
+ &lustre_attr_enable_page_cache_shrink.attr,
+ &lustre_attr_checksums.attr,
+ &lustre_attr_checksum_dump.attr,
+ &lustre_attr_cur_dirty_bytes.attr,
+ &lustre_attr_cur_lost_grant_bytes.attr,
+ &lustre_attr_cur_dirty_grant_bytes.attr,
+ &lustre_attr_destroys_in_flight.attr,
+ &lustre_attr_grant_shrink_interval.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,
+ &lustre_attr_at_max.attr,
+ &lustre_attr_at_min.attr,
+ &lustre_attr_at_history.attr,
+ &lustre_attr_ldlm_enqueue_min.attr,
+ NULL,
+};
+
+KOBJ_ATTRIBUTE_GROUPS(osc); /* creates osc_groups */
+
+int osc_tunables_init(struct obd_device *obd)
+{
+ int rc;
+
+ obd->obd_vars = lprocfs_osc_obd_vars;
+ obd->obd_ktype.default_groups = KOBJ_ATTR_GROUPS(osc);
+ 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;
}
-#endif /* LPROCFS */