*
* 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/
#include <obd_support.h>
#include <obd.h>
#include <lprocfs_status.h>
-#include <lustre/lustre_idl.h>
#include <lustre_net.h>
#include <obd_class.h>
#include "ptlrpc_internal.h"
{ OST_QUOTACHECK, "ost_quotacheck" },
{ OST_QUOTACTL, "ost_quotactl" },
{ OST_QUOTA_ADJUST_QUNIT, "ost_quota_adjust_qunit" },
+ { OST_LADVISE, "ost_ladvise" },
{ MDS_GETATTR, "mds_getattr" },
{ MDS_GETATTR_NAME, "mds_getattr_lock" },
{ MDS_CLOSE, "mds_close" },
{ MDS_READPAGE, "mds_readpage" },
{ MDS_CONNECT, "mds_connect" },
{ MDS_DISCONNECT, "mds_disconnect" },
- { MDS_GETSTATUS, "mds_getstatus" },
+ { MDS_GET_ROOT, "mds_get_root" },
{ MDS_STATFS, "mds_statfs" },
{ MDS_PIN, "mds_pin" },
{ MDS_UNPIN, "mds_unpin" },
__u32 opcode;
const char *opname;
} ll_eopcode_table[EXTRA_LAST_OPC] = {
- { LDLM_GLIMPSE_ENQUEUE, "ldlm_glimpse_enqueue" },
- { LDLM_PLAIN_ENQUEUE, "ldlm_plain_enqueue" },
- { LDLM_EXTENT_ENQUEUE, "ldlm_extent_enqueue" },
- { LDLM_FLOCK_ENQUEUE, "ldlm_flock_enqueue" },
- { LDLM_IBITS_ENQUEUE, "ldlm_ibits_enqueue" },
- { MDS_REINT_SETATTR, "mds_reint_setattr" },
- { MDS_REINT_CREATE, "mds_reint_create" },
- { MDS_REINT_LINK, "mds_reint_link" },
- { MDS_REINT_UNLINK, "mds_reint_unlink" },
- { MDS_REINT_RENAME, "mds_reint_rename" },
- { MDS_REINT_OPEN, "mds_reint_open" },
- { MDS_REINT_SETXATTR, "mds_reint_setxattr" },
- { BRW_READ_BYTES, "read_bytes" },
- { BRW_WRITE_BYTES, "write_bytes" },
+ { LDLM_GLIMPSE_ENQUEUE, "ldlm_glimpse_enqueue" },
+ { LDLM_PLAIN_ENQUEUE, "ldlm_plain_enqueue" },
+ { LDLM_EXTENT_ENQUEUE, "ldlm_extent_enqueue" },
+ { LDLM_FLOCK_ENQUEUE, "ldlm_flock_enqueue" },
+ { LDLM_IBITS_ENQUEUE, "ldlm_ibits_enqueue" },
+ { MDS_REINT_SETATTR, "mds_reint_setattr" },
+ { MDS_REINT_CREATE, "mds_reint_create" },
+ { MDS_REINT_LINK, "mds_reint_link" },
+ { MDS_REINT_UNLINK, "mds_reint_unlink" },
+ { MDS_REINT_RENAME, "mds_reint_rename" },
+ { MDS_REINT_OPEN, "mds_reint_open" },
+ { MDS_REINT_SETXATTR, "mds_reint_setxattr" },
+ { MDS_REINT_RESYNC, "mds_reint_resync" },
+ { BRW_READ_BYTES, "read_bytes" },
+ { BRW_WRITE_BYTES, "write_bytes" },
};
const char *ll_opcode2str(__u32 opcode)
return ll_rpc_opcode_table[offset].opname;
}
+const int ll_str2opcode(const char *ops)
+{
+ int i;
+
+ for (i = 0; i < LUSTRE_MAX_OPCODES; i++) {
+ if (ll_rpc_opcode_table[i].opname != NULL &&
+ strcmp(ll_rpc_opcode_table[i].opname, ops) == 0)
+ return ll_rpc_opcode_table[i].opcode;
+ }
+
+ return -EINVAL;
+}
+
static const char *ll_eopcode2str(__u32 opcode)
{
LASSERT(ll_eopcode_table[opcode].opcode == opcode);
return ll_eopcode_table[opcode].opname;
}
-#ifdef CONFIG_PROC_FS
-static void ptlrpc_lprocfs_register(struct proc_dir_entry *root, char *dir,
- char *name, struct proc_dir_entry **procroot_ret,
- struct lprocfs_stats **stats_ret)
+static void
+ptlrpc_ldebugfs_register(struct dentry *root, char *dir, char *name,
+ struct dentry **debugfs_root_ret,
+ struct lprocfs_stats **stats_ret)
{
- struct proc_dir_entry *svc_procroot;
+ struct dentry *svc_debugfs_entry;
struct lprocfs_stats *svc_stats;
int i, rc;
unsigned int svc_counter_config = LPROCFS_CNTR_AVGMINMAX |
LPROCFS_CNTR_STDDEV;
- LASSERT(*procroot_ret == NULL);
- LASSERT(*stats_ret == NULL);
+ LASSERT(!*debugfs_root_ret);
+ LASSERT(!*stats_ret);
- svc_stats = lprocfs_alloc_stats(EXTRA_MAX_OPCODES+LUSTRE_MAX_OPCODES,0);
- if (svc_stats == NULL)
+ svc_stats = lprocfs_alloc_stats(EXTRA_MAX_OPCODES + LUSTRE_MAX_OPCODES,
+ 0);
+ if (!svc_stats)
return;
if (dir) {
- svc_procroot = lprocfs_register(dir, root, NULL, NULL);
- if (IS_ERR(svc_procroot)) {
+ svc_debugfs_entry = ldebugfs_register(dir, root, NULL, NULL);
+ if (IS_ERR(svc_debugfs_entry)) {
lprocfs_free_stats(&svc_stats);
return;
}
} else {
- svc_procroot = root;
+ svc_debugfs_entry = root;
}
lprocfs_counter_init(svc_stats, PTLRPC_REQWAIT_CNTR,
for (i = 0; i < EXTRA_LAST_OPC; i++) {
char *units;
- switch(i) {
+ switch (i) {
case BRW_WRITE_BYTES:
case BRW_READ_BYTES:
units = "bytes";
ll_opcode2str(opcode), "usec");
}
- rc = lprocfs_register_stats(svc_procroot, name, svc_stats);
+ rc = ldebugfs_register_stats(svc_debugfs_entry, name, svc_stats);
if (rc < 0) {
if (dir)
- lprocfs_remove(&svc_procroot);
+ ldebugfs_remove(&svc_debugfs_entry);
lprocfs_free_stats(&svc_stats);
} else {
if (dir)
- *procroot_ret = svc_procroot;
+ *debugfs_root_ret = svc_debugfs_entry;
*stats_ret = svc_stats;
}
}
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svcpt->scp_hist_nrqbds;
- return seq_printf(m, "%d\n", total);
+ seq_printf(m, "%d\n", total);
+ return 0;
}
-LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_req_history_len);
+
+
+LDEBUGFS_SEQ_FOPS_RO(ptlrpc_lprocfs_req_history_len);
static int
ptlrpc_lprocfs_req_history_max_seq_show(struct seq_file *m, void *n)
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svc->srv_hist_nrqbds_cpt_max;
- return seq_printf(m, "%d\n", total);
+ seq_printf(m, "%d\n", total);
+ return 0;
}
static ssize_t
const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
- struct ptlrpc_service *svc = m->private;
- int bufpages;
- int val;
- int rc;
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ unsigned long long val;
+ int bufpages;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc < 0)
- return rc;
+ rc = kstrtoull_from_user(buffer, count, 0, &val);
+ if (rc < 0)
+ return rc;
- if (val < 0)
- return -ERANGE;
+ if (val < 0 || val > INT_MAX)
+ return -ERANGE;
- /* This sanity check is more of an insanity check; we can still
- * hose a kernel by allowing the request history to grow too
- * far. */
- bufpages = (svc->srv_buf_size + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
- if (val > totalram_pages/(2 * bufpages))
- return -ERANGE;
+ /* This sanity check is more of an insanity check; we can still
+ * hose a kernel by allowing the request history to grow too
+ * far. The roundup to the next power of two is an empirical way
+ * to take care that request buffer is allocated in Slab and thus
+ * will be upgraded */
+ bufpages = (roundup_pow_of_two(svc->srv_buf_size) + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
+ /* do not allow history to consume more than half max number of rqbds */
+ if ((svc->srv_nrqbds_max == 0 && val > totalram_pages / (2 * bufpages)) ||
+ (svc->srv_nrqbds_max != 0 && val > svc->srv_nrqbds_max / 2))
+ return -ERANGE;
spin_lock(&svc->srv_lock);
if (val == 0)
svc->srv_hist_nrqbds_cpt_max = 0;
else
- svc->srv_hist_nrqbds_cpt_max = max(1, (val / svc->srv_ncpts));
+ svc->srv_hist_nrqbds_cpt_max =
+ max(1, ((int)val / svc->srv_ncpts));
spin_unlock(&svc->srv_lock);
return count;
}
-LPROC_SEQ_FOPS(ptlrpc_lprocfs_req_history_max);
+
+LDEBUGFS_SEQ_FOPS(ptlrpc_lprocfs_req_history_max);
static int
-ptlrpc_lprocfs_threads_min_seq_show(struct seq_file *m, void *n)
+ptlrpc_lprocfs_req_buffers_max_seq_show(struct seq_file *m, void *n)
{
struct ptlrpc_service *svc = m->private;
- return seq_printf(m, "%d\n",
- svc->srv_nthrs_cpt_init * svc->srv_ncpts);
+ seq_printf(m, "%d\n", svc->srv_nrqbds_max);
+ return 0;
}
static ssize_t
-ptlrpc_lprocfs_threads_min_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+ptlrpc_lprocfs_req_buffers_max_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
- struct ptlrpc_service *svc = m->private;
- int val;
- int rc = lprocfs_write_helper(buffer, count, &val);
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ int val;
+ int rc;
+ rc = kstrtoint_from_user(buffer, count, 0, &val);
+ if (rc < 0)
+ return rc;
+
+ if (val < svc->srv_nbuf_per_group && val != 0)
+ return -ERANGE;
+
+ spin_lock(&svc->srv_lock);
+
+ svc->srv_nrqbds_max = (uint)val;
+
+ spin_unlock(&svc->srv_lock);
+
+ return count;
+}
+
+LDEBUGFS_SEQ_FOPS(ptlrpc_lprocfs_req_buffers_max);
+
+static ssize_t threads_min_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+
+ return sprintf(buf, "%d\n", svc->srv_nthrs_cpt_init * svc->srv_ncpts);
+}
+
+static ssize_t threads_min_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+ unsigned long val;
+ int rc;
+
+ rc = kstrtoul(buffer, 10, &val);
if (rc < 0)
return rc;
return -ERANGE;
}
- svc->srv_nthrs_cpt_init = val / svc->srv_ncpts;
+ svc->srv_nthrs_cpt_init = (int)val / svc->srv_ncpts;
spin_unlock(&svc->srv_lock);
return count;
}
-LPROC_SEQ_FOPS(ptlrpc_lprocfs_threads_min);
+LUSTRE_RW_ATTR(threads_min);
-static int
-ptlrpc_lprocfs_threads_started_seq_show(struct seq_file *m, void *n)
+static ssize_t threads_started_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct ptlrpc_service *svc = m->private;
- struct ptlrpc_service_part *svcpt;
- int total = 0;
- int i;
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+ struct ptlrpc_service_part *svcpt;
+ int total = 0;
+ int i;
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svcpt->scp_nthrs_running;
- return seq_printf(m, "%d\n", total);
+ return sprintf(buf, "%d\n", total);
}
-LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_threads_started);
+LUSTRE_RO_ATTR(threads_started);
-static int
-ptlrpc_lprocfs_threads_max_seq_show(struct seq_file *m, void *n)
+static ssize_t threads_max_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct ptlrpc_service *svc = m->private;
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
- return seq_printf(m, "%d\n",
- svc->srv_nthrs_cpt_limit * svc->srv_ncpts);
+ return sprintf(buf, "%d\n", svc->srv_nthrs_cpt_limit * svc->srv_ncpts);
}
-static ssize_t
-ptlrpc_lprocfs_threads_max_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t threads_max_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct seq_file *m = file->private_data;
- struct ptlrpc_service *svc = m->private;
- int val;
- int rc = lprocfs_write_helper(buffer, count, &val);
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+ unsigned long val;
+ int rc;
+ rc = kstrtoul(buffer, 10, &val);
if (rc < 0)
return rc;
return -ERANGE;
}
- svc->srv_nthrs_cpt_limit = val / svc->srv_ncpts;
+ svc->srv_nthrs_cpt_limit = (int)val / svc->srv_ncpts;
spin_unlock(&svc->srv_lock);
return count;
}
-LPROC_SEQ_FOPS(ptlrpc_lprocfs_threads_max);
+LUSTRE_RW_ATTR(threads_max);
/**
* Translates \e ptlrpc_nrs_pol_state values to human-readable strings.
LASSERT(info != NULL);
assert_spin_locked(&policy->pol_nrs->nrs_lock);
- LASSERT(sizeof(info->pi_arg) == sizeof(policy->pol_arg));
+ CLASSERT(sizeof(info->pi_arg) == sizeof(policy->pol_arg));
memcpy(info->pi_name, policy->pol_desc->pd_name, NRS_POL_NAME_MAX);
memcpy(info->pi_arg, policy->pol_arg, sizeof(policy->pol_arg));
for (pol_idx = 0; pol_idx < num_pols; pol_idx++) {
if (strlen(infos[pol_idx].pi_arg) > 0)
seq_printf(m, " - name: %s %s\n",
- infos[pol_idx].pi_name,
- infos[pol_idx].pi_arg);
+ infos[pol_idx].pi_name,
+ infos[pol_idx].pi_arg);
else
seq_printf(m, " - name: %s\n",
- infos[pol_idx].pi_name);
+ infos[pol_idx].pi_name);
seq_printf(m, " state: %s\n"
- " fallback: %s\n"
- " queued: %-20d\n"
- " active: %-20d\n\n",
- nrs_state2str(infos[pol_idx].pi_state),
- infos[pol_idx].pi_fallback ? "yes" : "no",
- (int)infos[pol_idx].pi_req_queued,
- (int)infos[pol_idx].pi_req_started);
+ " fallback: %s\n"
+ " queued: %-20d\n"
+ " active: %-20d\n\n",
+ nrs_state2str(infos[pol_idx].pi_state),
+ infos[pol_idx].pi_fallback ? "yes" : "no",
+ (int)infos[pol_idx].pi_req_queued,
+ (int)infos[pol_idx].pi_req_started);
}
if (!hp && nrs_svc_has_hp(svc)) {
RETURN(rc < 0 ? rc : count);
}
-LPROC_SEQ_FOPS(ptlrpc_lprocfs_nrs);
+
+LDEBUGFS_SEQ_FOPS(ptlrpc_lprocfs_nrs);
/** @} nrs */
* be near the head), we shouldn't have to do long
* re-scans */
LASSERTF(srhi->srhi_seq == srhi->srhi_req->rq_history_seq,
- "%s:%d: seek seq "LPU64", request seq "LPU64"\n",
+ "%s:%d: seek seq %llu, request seq %llu\n",
svcpt->scp_service->srv_name, svcpt->scp_cpt,
srhi->srhi_seq, srhi->srhi_req->rq_history_seq);
LASSERTF(!list_empty(&svcpt->scp_hist_reqs),
- "%s:%d: seek offset "LPU64", request seq "LPU64", "
- "last culled "LPU64"\n",
+ "%s:%d: seek offset %llu, request seq %llu, "
+ "last culled %llu\n",
svcpt->scp_service->srv_name, svcpt->scp_cpt,
seq, srhi->srhi_seq, svcpt->scp_hist_seq_culled);
e = &srhi->srhi_req->rq_history_list;
rc = ptlrpc_lprocfs_svc_req_history_seek(svcpt, srhi, srhi->srhi_seq);
if (rc == 0) {
+ struct timespec64 arrival, sent, arrivaldiff;
char nidstr[LNET_NIDSTR_SIZE];
req = srhi->srhi_req;
libcfs_nid2str_r(req->rq_self, nidstr, sizeof(nidstr));
+ arrival.tv_sec = req->rq_arrival_time.tv_sec;
+ arrival.tv_nsec = req->rq_arrival_time.tv_nsec;
+ sent.tv_sec = req->rq_sent;
+ sent.tv_nsec = 0;
+ arrivaldiff = timespec64_sub(sent, arrival);
+
/* Print common req fields.
* CAVEAT EMPTOR: we're racing with the service handler
* here. The request could contain any old crap, so you
* must be just as careful as the service's request
* parser. Currently I only print stuff here I know is OK
- * to look at coz it was set up in request_in_callback()!!! */
- seq_printf(s, LPD64":%s:%s:x"LPU64":%d:%s:%ld:%lds(%+lds) ",
+ * to look at coz it was set up in request_in_callback()!!!
+ */
+ seq_printf(s, "%lld:%s:%s:x%llu:%d:%s:%lld.%06lld:%lld.%06llds(%+lld.0s) ",
req->rq_history_seq, nidstr,
libcfs_id2str(req->rq_peer), req->rq_xid,
req->rq_reqlen, ptlrpc_rqphase2str(req),
- req->rq_arrival_time.tv_sec,
- req->rq_sent - req->rq_arrival_time.tv_sec,
- req->rq_sent - req->rq_deadline);
+ (s64)req->rq_arrival_time.tv_sec,
+ (s64)(req->rq_arrival_time.tv_nsec / NSEC_PER_USEC),
+ (s64)arrivaldiff.tv_sec,
+ (s64)(arrivaldiff.tv_nsec / NSEC_PER_USEC),
+ (s64)(req->rq_sent - req->rq_deadline));
if (svc->srv_ops.so_req_printer == NULL)
seq_printf(s, "\n");
else
return rc;
seqf = file->private_data;
- seqf->private = PDE_DATA(inode);
+ seqf->private = inode->i_private;
return 0;
}
{
struct ptlrpc_service *svc = m->private;
struct ptlrpc_service_part *svcpt;
- struct dhms ts;
- time_t worstt;
+ time64_t worstt;
unsigned int cur;
unsigned int worst;
int i;
cur = at_get(&svcpt->scp_at_estimate);
worst = svcpt->scp_at_estimate.at_worst_ever;
worstt = svcpt->scp_at_estimate.at_worst_time;
- s2dhms(&ts, cfs_time_current_sec() - worstt);
- seq_printf(m, "%10s : cur %3u worst %3u (at %ld, "
- DHMS_FMT" ago) ", "service",
- cur, worst, worstt, DHMS_VARS(&ts));
+ seq_printf(m, "%10s : cur %3u worst %3u (at %lld, %llds ago) ",
+ "service", cur, worst, (s64)worstt,
+ (s64)(ktime_get_real_seconds() - worstt));
lprocfs_at_hist_helper(m, &svcpt->scp_at_estimate);
}
return 0;
}
-LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_timeouts);
-static int ptlrpc_lprocfs_hp_ratio_seq_show(struct seq_file *m, void *v)
+LDEBUGFS_SEQ_FOPS_RO(ptlrpc_lprocfs_timeouts);
+
+static ssize_t high_priority_ratio_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct ptlrpc_service *svc = m->private;
- return seq_printf(m, "%d\n", svc->srv_hpreq_ratio);
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+
+ return sprintf(buf, "%d\n", svc->srv_hpreq_ratio);
}
-static ssize_t
-ptlrpc_lprocfs_hp_ratio_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t high_priority_ratio_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct seq_file *m = file->private_data;
- struct ptlrpc_service *svc = m->private;
- int rc;
- int val;
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc < 0)
return rc;
- if (val < 0)
- return -ERANGE;
-
spin_lock(&svc->srv_lock);
svc->srv_hpreq_ratio = val;
spin_unlock(&svc->srv_lock);
return count;
}
-LPROC_SEQ_FOPS(ptlrpc_lprocfs_hp_ratio);
+LUSTRE_RW_ATTR(high_priority_ratio);
+
+static struct attribute *ptlrpc_svc_attrs[] = {
+ &lustre_attr_threads_min.attr,
+ &lustre_attr_threads_started.attr,
+ &lustre_attr_threads_max.attr,
+ &lustre_attr_high_priority_ratio.attr,
+ NULL,
+};
-void ptlrpc_lprocfs_register_service(struct proc_dir_entry *entry,
- struct ptlrpc_service *svc)
+static void ptlrpc_sysfs_svc_release(struct kobject *kobj)
+{
+ struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
+ srv_kobj);
+
+ complete(&svc->srv_kobj_unregister);
+}
+
+static struct kobj_type ptlrpc_svc_ktype = {
+ .default_attrs = ptlrpc_svc_attrs,
+ .sysfs_ops = &lustre_sysfs_ops,
+ .release = ptlrpc_sysfs_svc_release,
+};
+
+void ptlrpc_sysfs_unregister_service(struct ptlrpc_service *svc)
+{
+ /* Let's see if we had a chance at initialization first */
+ if (svc->srv_kobj.kset) {
+ kobject_put(&svc->srv_kobj);
+ wait_for_completion(&svc->srv_kobj_unregister);
+ }
+}
+
+int ptlrpc_sysfs_register_service(struct kset *parent,
+ struct ptlrpc_service *svc)
+{
+ svc->srv_kobj.kset = parent;
+ init_completion(&svc->srv_kobj_unregister);
+ return kobject_init_and_add(&svc->srv_kobj, &ptlrpc_svc_ktype,
+ &parent->kobj, "%s", svc->srv_name);
+}
+
+void ptlrpc_ldebugfs_register_service(struct dentry *entry,
+ struct ptlrpc_service *svc)
{
struct lprocfs_vars lproc_vars[] = {
- { .name = "high_priority_ratio",
- .fops = &ptlrpc_lprocfs_hp_ratio_fops,
- .data = svc },
{ .name = "req_buffer_history_len",
.fops = &ptlrpc_lprocfs_req_history_len_fops,
.data = svc },
{ .name = "req_buffer_history_max",
.fops = &ptlrpc_lprocfs_req_history_max_fops,
.data = svc },
- { .name = "threads_min",
- .fops = &ptlrpc_lprocfs_threads_min_fops,
- .data = svc },
- { .name = "threads_max",
- .fops = &ptlrpc_lprocfs_threads_max_fops,
- .data = svc },
- { .name = "threads_started",
- .fops = &ptlrpc_lprocfs_threads_started_fops,
- .data = svc },
{ .name = "timeouts",
.fops = &ptlrpc_lprocfs_timeouts_fops,
.data = svc },
{ .name = "nrs_policies",
.fops = &ptlrpc_lprocfs_nrs_fops,
.data = svc },
+ { .name = "req_buffers_max",
+ .fops = &ptlrpc_lprocfs_req_buffers_max_fops,
+ .data = svc },
{ NULL }
};
static struct file_operations req_history_fops = {
int rc;
- ptlrpc_lprocfs_register(entry, svc->srv_name,
- "stats", &svc->srv_procroot,
- &svc->srv_stats);
- if (svc->srv_procroot == NULL)
+ ptlrpc_ldebugfs_register(entry, svc->srv_name, "stats",
+ &svc->srv_debugfs_entry, &svc->srv_stats);
+ if (IS_ERR_OR_NULL(svc->srv_debugfs_entry))
return;
- lprocfs_add_vars(svc->srv_procroot, lproc_vars, NULL);
+ ldebugfs_add_vars(svc->srv_debugfs_entry, lproc_vars, NULL);
- rc = lprocfs_seq_create(svc->srv_procroot, "req_history",
- 0400, &req_history_fops, svc);
+ rc = ldebugfs_seq_create(svc->srv_debugfs_entry, "req_history",
+ 0400, &req_history_fops, svc);
if (rc)
CWARN("Error adding the req_history file\n");
}
void ptlrpc_lprocfs_register_obd(struct obd_device *obddev)
{
- ptlrpc_lprocfs_register(obddev->obd_proc_entry, NULL, "stats",
- &obddev->obd_svc_procroot,
- &obddev->obd_svc_stats);
+ ptlrpc_ldebugfs_register(obddev->obd_debugfs_entry, NULL, "stats",
+ &obddev->obd_svc_debugfs_entry,
+ &obddev->obd_svc_stats);
}
EXPORT_SYMBOL(ptlrpc_lprocfs_register_obd);
void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc)
{
- if (svc->srv_procroot != NULL)
- lprocfs_remove(&svc->srv_procroot);
+ if (!IS_ERR_OR_NULL(svc->srv_debugfs_entry))
+ ldebugfs_remove(&svc->srv_debugfs_entry);
if (svc->srv_stats)
lprocfs_free_stats(&svc->srv_stats);
void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd)
{
- if (obd->obd_svc_procroot)
- lprocfs_remove(&obd->obd_svc_procroot);
+ /* cleanup first to allow concurrent access to device's
+ * stats via debugfs to complete safely
+ */
+ lprocfs_obd_cleanup(obd);
+
+ if (!IS_ERR_OR_NULL(obd->obd_svc_debugfs_entry))
+ ldebugfs_remove(&obd->obd_svc_debugfs_entry);
if (obd->obd_svc_stats)
lprocfs_free_stats(&obd->obd_svc_stats);
}
EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
+ssize_t ping_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 ptlrpc_request *req;
+ int rc;
+
+ ENTRY;
+ LPROCFS_CLIMP_CHECK(obd);
+ req = ptlrpc_prep_ping(obd->u.cli.cl_import);
+ LPROCFS_CLIMP_EXIT(obd);
+ if (!req)
+ RETURN(-ENOMEM);
+
+ req->rq_send_state = LUSTRE_IMP_FULL;
+
+ rc = ptlrpc_queue_wait(req);
+ ptlrpc_req_finished(req);
+
+ RETURN(rc >= 0 ? count : rc);
+}
+EXPORT_SYMBOL(ping_store);
+
ssize_t
-lprocfs_ping_seq_write(struct file *file, const char *buffer,
+lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
struct seq_file *m = file->private_data;
const char prefix[] = "connection=";
const int prefix_len = sizeof(prefix) - 1;
- if (count > PAGE_CACHE_SIZE - 1 || count <= prefix_len)
+ if (count > PAGE_SIZE - 1 || count <= prefix_len)
return -EINVAL;
OBD_ALLOC(kbuf, count + 1);
{
struct obd_device *obd = m->private;
struct obd_import *imp = obd->u.cli.cl_import;
- int rc;
LPROCFS_CLIMP_CHECK(obd);
- rc = seq_printf(m, "%d\n", !imp->imp_no_pinger_recover);
+ seq_printf(m, "%d\n", !imp->imp_no_pinger_recover);
LPROCFS_CLIMP_EXIT(obd);
- return rc;
+ return 0;
}
EXPORT_SYMBOL(lprocfs_pinger_recov_seq_show);
ssize_t
-lprocfs_pinger_recov_seq_write(struct file *file, const char *buffer,
+lprocfs_pinger_recov_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;
- struct obd_import *imp = cli->cl_import;
- int rc, 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 = cli->cl_import;
+ bool val;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtobool_from_user(buffer, count, &val);
if (rc < 0)
return rc;
- if (val != 0 && val != 1)
- return -ERANGE;
-
LPROCFS_CLIMP_CHECK(obd);
spin_lock(&imp->imp_lock);
imp->imp_no_pinger_recover = !val;
return count;
}
EXPORT_SYMBOL(lprocfs_pinger_recov_seq_write);
-
-#endif /* CONFIG_PROC_FS */