#include <linux/ceph/ceph_debug.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/math64.h>
#include <linux/ktime.h>
#include <linux/uaccess.h>
#include <linux/atomic.h>
#include <linux/ceph/libceph.h>
#include <linux/ceph/mon_client.h>
#include <linux/ceph/auth.h>
#include <linux/ceph/debugfs.h>
#include <linux/ceph/decode.h>
#include "super.h"
#ifdef CONFIG_DEBUG_FS
#include "mds_client.h"
#include "metric.h"
#include "subvolume_metrics.h"
struct ceph_session_feature_desc {
unsigned int bit;
const char *name;
};
static const struct ceph_session_feature_desc ceph_session_feature_table[] = {
{ CEPHFS_FEATURE_METRIC_COLLECT, "METRIC_COLLECT" },
{ CEPHFS_FEATURE_REPLY_ENCODING, "REPLY_ENCODING" },
{ CEPHFS_FEATURE_RECLAIM_CLIENT, "RECLAIM_CLIENT" },
{ CEPHFS_FEATURE_LAZY_CAP_WANTED, "LAZY_CAP_WANTED" },
{ CEPHFS_FEATURE_MULTI_RECONNECT, "MULTI_RECONNECT" },
{ CEPHFS_FEATURE_DELEG_INO, "DELEG_INO" },
{ CEPHFS_FEATURE_ALTERNATE_NAME, "ALTERNATE_NAME" },
{ CEPHFS_FEATURE_NOTIFY_SESSION_STATE, "NOTIFY_SESSION_STATE" },
{ CEPHFS_FEATURE_OP_GETVXATTR, "OP_GETVXATTR" },
{ CEPHFS_FEATURE_32BITS_RETRY_FWD, "32BITS_RETRY_FWD" },
{ CEPHFS_FEATURE_NEW_SNAPREALM_INFO, "NEW_SNAPREALM_INFO" },
{ CEPHFS_FEATURE_HAS_OWNER_UIDGID, "HAS_OWNER_UIDGID" },
{ CEPHFS_FEATURE_MDS_AUTH_CAPS_CHECK, "MDS_AUTH_CAPS_CHECK" },
{ CEPHFS_FEATURE_SUBVOLUME_METRICS, "SUBVOLUME_METRICS" },
};
static int mdsmap_show(struct seq_file *s, void *p)
{
int i;
struct ceph_fs_client *fsc = s->private;
struct ceph_mdsmap *mdsmap;
if (!fsc->mdsc || !fsc->mdsc->mdsmap)
return 0;
mdsmap = fsc->mdsc->mdsmap;
seq_printf(s, "epoch %d\n", mdsmap->m_epoch);
seq_printf(s, "root %d\n", mdsmap->m_root);
seq_printf(s, "max_mds %d\n", mdsmap->m_max_mds);
seq_printf(s, "session_timeout %d\n", mdsmap->m_session_timeout);
seq_printf(s, "session_autoclose %d\n", mdsmap->m_session_autoclose);
for (i = 0; i < mdsmap->possible_max_rank; i++) {
struct ceph_entity_addr *addr = &mdsmap->m_info[i].addr;
int state = mdsmap->m_info[i].state;
seq_printf(s, "\tmds%d\t%s\t(%s)\n", i,
ceph_pr_addr(addr),
ceph_mds_state_name(state));
}
return 0;
}
static int mdsc_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct rb_node *rp;
char *path;
mutex_lock(&mdsc->mutex);
for (rp = rb_first(&mdsc->request_tree); rp; rp = rb_next(rp)) {
req = rb_entry(rp, struct ceph_mds_request, r_node);
if (req->r_request && req->r_session)
seq_printf(s, "%lld\tmds%d\t", req->r_tid,
req->r_session->s_mds);
else if (!req->r_request)
seq_printf(s, "%lld\t(no request)\t", req->r_tid);
else
seq_printf(s, "%lld\t(no session)\t", req->r_tid);
seq_printf(s, "%s", ceph_mds_op_name(req->r_op));
if (test_bit(CEPH_MDS_R_GOT_UNSAFE, &req->r_req_flags))
seq_puts(s, "\t(unsafe)");
else
seq_puts(s, "\t");
if (req->r_inode) {
seq_printf(s, " #%llx", ceph_ino(req->r_inode));
} else if (req->r_dentry) {
struct ceph_path_info path_info = {0};
path = ceph_mdsc_build_path(mdsc, req->r_dentry, &path_info, 0);
if (IS_ERR(path))
path = NULL;
spin_lock(&req->r_dentry->d_lock);
seq_printf(s, " #%llx/%pd (%s)",
ceph_ino(d_inode(req->r_dentry->d_parent)),
req->r_dentry,
path ? path : "");
spin_unlock(&req->r_dentry->d_lock);
ceph_mdsc_free_path_info(&path_info);
} else if (req->r_path1) {
seq_printf(s, " #%llx/%s", req->r_ino1.ino,
req->r_path1);
} else {
seq_printf(s, " #%llx", req->r_ino1.ino);
}
if (req->r_old_dentry) {
struct ceph_path_info path_info = {0};
path = ceph_mdsc_build_path(mdsc, req->r_old_dentry, &path_info, 0);
if (IS_ERR(path))
path = NULL;
spin_lock(&req->r_old_dentry->d_lock);
seq_printf(s, " #%llx/%pd (%s)",
req->r_old_dentry_dir ?
ceph_ino(req->r_old_dentry_dir) : 0,
req->r_old_dentry,
path ? path : "");
spin_unlock(&req->r_old_dentry->d_lock);
ceph_mdsc_free_path_info(&path_info);
} else if (req->r_path2 && req->r_op != CEPH_MDS_OP_SYMLINK) {
if (req->r_ino2.ino)
seq_printf(s, " #%llx/%s", req->r_ino2.ino,
req->r_path2);
else
seq_printf(s, " %s", req->r_path2);
}
seq_puts(s, "\n");
}
mutex_unlock(&mdsc->mutex);
return 0;
}
#define CEPH_LAT_METRIC_SHOW(name, total, avg, min, max, sq) { \
s64 _total, _avg, _min, _max, _sq, _st; \
_avg = ktime_to_us(avg); \
_min = ktime_to_us(min == KTIME_MAX ? 0 : min); \
_max = ktime_to_us(max); \
_total = total - 1; \
_sq = _total > 0 ? DIV64_U64_ROUND_CLOSEST(sq, _total) : 0; \
_st = int_sqrt64(_sq); \
_st = ktime_to_us(_st); \
seq_printf(s, "%-14s%-12lld%-16lld%-16lld%-16lld%lld\n", \
name, total, _avg, _min, _max, _st); \
}
#define CEPH_SZ_METRIC_SHOW(name, total, avg, min, max, sum) { \
u64 _min = min == U64_MAX ? 0 : min; \
seq_printf(s, "%-14s%-12lld%-16llu%-16llu%-16llu%llu\n", \
name, total, avg, _min, max, sum); \
}
static int metrics_file_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_client_metric *m = &fsc->mdsc->metric;
seq_printf(s, "item total\n");
seq_printf(s, "------------------------------------------\n");
seq_printf(s, "%-35s%lld\n", "total inodes",
percpu_counter_sum(&m->total_inodes));
seq_printf(s, "%-35s%lld\n", "opened files",
atomic64_read(&m->opened_files));
seq_printf(s, "%-35s%lld\n", "pinned i_caps",
atomic64_read(&m->total_caps));
seq_printf(s, "%-35s%lld\n", "opened inodes",
percpu_counter_sum(&m->opened_inodes));
return 0;
}
static const char * const metric_str[] = {
"read",
"write",
"metadata",
"copyfrom"
};
static int metrics_latency_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_client_metric *cm = &fsc->mdsc->metric;
struct ceph_metric *m;
s64 total, avg, min, max, sq;
int i;
seq_printf(s, "item total avg_lat(us) min_lat(us) max_lat(us) stdev(us)\n");
seq_printf(s, "-----------------------------------------------------------------------------------\n");
for (i = 0; i < METRIC_MAX; i++) {
m = &cm->metric[i];
spin_lock(&m->lock);
total = m->total;
avg = m->latency_avg;
min = m->latency_min;
max = m->latency_max;
sq = m->latency_sq_sum;
spin_unlock(&m->lock);
CEPH_LAT_METRIC_SHOW(metric_str[i], total, avg, min, max, sq);
}
return 0;
}
static int metrics_size_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_client_metric *cm = &fsc->mdsc->metric;
struct ceph_metric *m;
s64 total;
u64 sum, avg, min, max;
int i;
seq_printf(s, "item total avg_sz(bytes) min_sz(bytes) max_sz(bytes) total_sz(bytes)\n");
seq_printf(s, "----------------------------------------------------------------------------------------\n");
for (i = 0; i < METRIC_MAX; i++) {
if (i == METRIC_METADATA)
continue;
m = &cm->metric[i];
spin_lock(&m->lock);
total = m->total;
sum = m->size_sum;
avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
min = m->size_min;
max = m->size_max;
spin_unlock(&m->lock);
CEPH_SZ_METRIC_SHOW(metric_str[i], total, avg, min, max, sum);
}
return 0;
}
static int metrics_caps_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_client_metric *m = &fsc->mdsc->metric;
int nr_caps = 0;
seq_printf(s, "item total miss hit\n");
seq_printf(s, "-------------------------------------------------\n");
seq_printf(s, "%-14s%-16lld%-16lld%lld\n", "d_lease",
atomic64_read(&m->total_dentries),
percpu_counter_sum(&m->d_lease_mis),
percpu_counter_sum(&m->d_lease_hit));
nr_caps = atomic64_read(&m->total_caps);
seq_printf(s, "%-14s%-16d%-16lld%lld\n", "caps", nr_caps,
percpu_counter_sum(&m->i_caps_mis),
percpu_counter_sum(&m->i_caps_hit));
return 0;
}
static int caps_show_cb(struct inode *inode, int mds, void *p)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct seq_file *s = p;
struct ceph_cap *cap;
spin_lock(&ci->i_ceph_lock);
cap = __get_cap_for_mds(ci, mds);
if (cap)
seq_printf(s, "0x%-17llx%-3d%-17s%-17s\n", ceph_ino(inode),
cap->session->s_mds,
ceph_cap_string(cap->issued),
ceph_cap_string(cap->implemented));
spin_unlock(&ci->i_ceph_lock);
return 0;
}
static int caps_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
int total, avail, used, reserved, min, i;
struct cap_wait *cw;
ceph_reservation_status(fsc, &total, &avail, &used, &reserved, &min);
seq_printf(s, "total\t\t%d\n"
"avail\t\t%d\n"
"used\t\t%d\n"
"reserved\t%d\n"
"min\t\t%d\n\n",
total, avail, used, reserved, min);
seq_printf(s, "ino mds issued implemented\n");
seq_printf(s, "--------------------------------------------------\n");
mutex_lock(&mdsc->mutex);
for (i = 0; i < mdsc->max_sessions; i++) {
struct ceph_mds_session *session;
session = __ceph_lookup_mds_session(mdsc, i);
if (!session)
continue;
mutex_unlock(&mdsc->mutex);
mutex_lock(&session->s_mutex);
ceph_iterate_session_caps(session, caps_show_cb, s);
mutex_unlock(&session->s_mutex);
ceph_put_mds_session(session);
mutex_lock(&mdsc->mutex);
}
mutex_unlock(&mdsc->mutex);
seq_printf(s, "\n\nWaiters:\n--------\n");
seq_printf(s, "tgid ino need want\n");
seq_printf(s, "-----------------------------------------------------\n");
spin_lock(&mdsc->caps_list_lock);
list_for_each_entry(cw, &mdsc->cap_wait_list, list) {
seq_printf(s, "%-13d0x%-17llx%-17s%-17s\n", cw->tgid, cw->ino,
ceph_cap_string(cw->need),
ceph_cap_string(cw->want));
}
spin_unlock(&mdsc->caps_list_lock);
return 0;
}
static int mds_sessions_show(struct seq_file *s, void *ptr)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_auth_client *ac = fsc->client->monc.auth;
struct ceph_options *opt = fsc->client->options;
int mds;
mutex_lock(&mdsc->mutex);
seq_printf(s, "global_id %llu\n", ac->global_id);
seq_printf(s, "name \"%s\"\n", opt->name ? opt->name : "");
for (mds = 0; mds < mdsc->max_sessions; mds++) {
struct ceph_mds_session *session =
__ceph_lookup_mds_session(mdsc, mds);
if (!session) {
continue;
}
mutex_unlock(&mdsc->mutex);
seq_printf(s, "mds.%d %s\n",
session->s_mds,
ceph_session_state_name(session->s_state));
ceph_put_mds_session(session);
mutex_lock(&mdsc->mutex);
}
mutex_unlock(&mdsc->mutex);
return 0;
}
static int status_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_entity_inst *inst = &fsc->client->msgr.inst;
struct ceph_entity_addr *client_addr = ceph_client_addr(fsc->client);
seq_printf(s, "instance: %s.%lld %s/%u\n", ENTITY_NAME(inst->name),
ceph_pr_addr(client_addr), le32_to_cpu(client_addr->nonce));
seq_printf(s, "blocklisted: %s\n", str_true_false(fsc->blocklisted));
return 0;
}
static int reset_status_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_client_reset_state *st;
u64 trigger = 0, success = 0, failure = 0;
unsigned long last_start = 0, last_finish = 0;
int last_errno = 0;
enum ceph_client_reset_phase phase = CEPH_CLIENT_RESET_IDLE;
bool drain_timed_out = false;
int sessions_reset = 0;
int blocked_requests = 0;
char reason[CEPH_CLIENT_RESET_REASON_LEN];
if (!mdsc)
return 0;
st = &mdsc->reset_state;
spin_lock(&st->lock);
trigger = st->trigger_count;
success = st->success_count;
failure = st->failure_count;
last_start = st->last_start;
last_finish = st->last_finish;
last_errno = st->last_errno;
phase = st->phase;
drain_timed_out = st->drain_timed_out;
sessions_reset = st->sessions_reset;
strscpy(reason, st->last_reason, sizeof(reason));
spin_unlock(&st->lock);
blocked_requests = atomic_read(&st->blocked_requests);
seq_printf(s, "phase: %s\n", ceph_reset_phase_name(phase));
seq_printf(s, "trigger_count: %llu\n", trigger);
seq_printf(s, "success_count: %llu\n", success);
seq_printf(s, "failure_count: %llu\n", failure);
if (last_start)
seq_printf(s, "last_start_ms_ago: %u\n",
jiffies_to_msecs(jiffies - last_start));
else
seq_puts(s, "last_start_ms_ago: (never)\n");
if (last_finish)
seq_printf(s, "last_finish_ms_ago: %u\n",
jiffies_to_msecs(jiffies - last_finish));
else
seq_puts(s, "last_finish_ms_ago: (never)\n");
seq_printf(s, "last_errno: %d\n", last_errno);
seq_printf(s, "last_reason: %s\n",
reason[0] ? reason : "(none)");
seq_printf(s, "drain_timed_out: %s\n",
drain_timed_out ? "yes" : "no");
seq_printf(s, "sessions_reset: %d\n", sessions_reset);
seq_printf(s, "blocked_requests: %d\n", blocked_requests);
return 0;
}
static ssize_t reset_trigger_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct ceph_fs_client *fsc = file->private_data;
struct ceph_mds_client *mdsc = fsc->mdsc;
char reason[CEPH_CLIENT_RESET_REASON_LEN];
size_t copy;
int ret;
if (!mdsc)
return -ENODEV;
copy = min_t(size_t, len, sizeof(reason) - 1);
if (copy && copy_from_user(reason, buf, copy))
return -EFAULT;
reason[copy] = '\0';
strim(reason);
ret = ceph_mdsc_schedule_reset(mdsc, reason);
if (ret)
return ret;
return len;
}
static int subvolume_metrics_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_subvol_metric_snapshot *snapshot = NULL;
u32 nr = 0;
u64 total_sent = 0;
u64 nonzero_sends = 0;
u32 i;
if (!mdsc) {
seq_puts(s, "mds client unavailable\n");
return 0;
}
mutex_lock(&mdsc->subvol_metrics_last_mutex);
if (mdsc->subvol_metrics_last && mdsc->subvol_metrics_last_nr) {
nr = mdsc->subvol_metrics_last_nr;
snapshot = kmemdup_array(mdsc->subvol_metrics_last, nr,
sizeof(*snapshot), GFP_KERNEL);
if (!snapshot)
nr = 0;
}
total_sent = mdsc->subvol_metrics_sent;
nonzero_sends = mdsc->subvol_metrics_nonzero_sends;
mutex_unlock(&mdsc->subvol_metrics_last_mutex);
seq_puts(s, "Last sent subvolume metrics:\n");
if (!nr) {
seq_puts(s, " (none)\n");
} else {
seq_puts(s, " subvol_id rd_ops wr_ops rd_bytes wr_bytes rd_lat_us wr_lat_us\n");
for (i = 0; i < nr; i++) {
const struct ceph_subvol_metric_snapshot *e = &snapshot[i];
seq_printf(s, " %-18llu %-9llu %-9llu %-14llu %-14llu %-14llu %-14llu\n",
e->subvolume_id,
e->read_ops, e->write_ops,
e->read_bytes, e->write_bytes,
e->read_latency_us, e->write_latency_us);
}
}
kfree(snapshot);
seq_puts(s, "\nStatistics:\n");
seq_printf(s, " entries_sent: %llu\n", total_sent);
seq_printf(s, " non_zero_sends: %llu\n", nonzero_sends);
seq_puts(s, "\nPending (unsent) subvolume metrics:\n");
ceph_subvolume_metrics_dump(&mdsc->subvol_metrics, s);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mdsmap);
DEFINE_SHOW_ATTRIBUTE(mdsc);
DEFINE_SHOW_ATTRIBUTE(caps);
DEFINE_SHOW_ATTRIBUTE(mds_sessions);
DEFINE_SHOW_ATTRIBUTE(status);
DEFINE_SHOW_ATTRIBUTE(reset_status);
DEFINE_SHOW_ATTRIBUTE(metrics_file);
DEFINE_SHOW_ATTRIBUTE(metrics_latency);
DEFINE_SHOW_ATTRIBUTE(metrics_size);
DEFINE_SHOW_ATTRIBUTE(metrics_caps);
DEFINE_SHOW_ATTRIBUTE(subvolume_metrics);
static int metric_features_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
unsigned long session_features = 0;
bool have_session = false;
bool metric_collect = false;
bool subvol_support = false;
bool metrics_enabled = false;
bool subvol_enabled = false;
int i;
if (!mdsc) {
seq_puts(s, "mds client unavailable\n");
return 0;
}
mutex_lock(&mdsc->mutex);
if (mdsc->metric.session) {
have_session = true;
session_features = mdsc->metric.session->s_features;
}
mutex_unlock(&mdsc->mutex);
if (have_session) {
metric_collect =
test_bit(CEPHFS_FEATURE_METRIC_COLLECT,
&session_features);
subvol_support =
test_bit(CEPHFS_FEATURE_SUBVOLUME_METRICS,
&session_features);
}
metrics_enabled = !disable_send_metrics && have_session && metric_collect;
subvol_enabled = metrics_enabled && subvol_support;
seq_printf(s,
"metrics_enabled: %s (disable_send_metrics=%d, session=%s, metric_collect=%s)\n",
metrics_enabled ? "yes" : "no",
disable_send_metrics ? 1 : 0,
have_session ? "yes" : "no",
metric_collect ? "yes" : "no");
seq_printf(s, "subvolume_metrics_enabled: %s\n",
subvol_enabled ? "yes" : "no");
seq_printf(s, "session_feature_bits: 0x%lx\n", session_features);
if (!have_session) {
seq_puts(s, "(no active MDS session for metrics)\n");
return 0;
}
for (i = 0; i < ARRAY_SIZE(ceph_session_feature_table); i++) {
const struct ceph_session_feature_desc *desc =
&ceph_session_feature_table[i];
bool set = test_bit(desc->bit, &session_features);
seq_printf(s, " %-24s : %s\n", desc->name,
set ? "yes" : "no");
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(metric_features);
static const struct file_operations ceph_reset_trigger_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.write = reset_trigger_write,
.llseek = noop_llseek,
};
static int congestion_kb_set(void *data, u64 val)
{
struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
fsc->mount_options->congestion_kb = (int)val;
return 0;
}
static int congestion_kb_get(void *data, u64 *val)
{
struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
*val = (u64)fsc->mount_options->congestion_kb;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
congestion_kb_set, "%llu\n");
void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
{
doutc(fsc->client, "begin\n");
debugfs_remove(fsc->debugfs_bdi);
debugfs_remove(fsc->debugfs_congestion_kb);
debugfs_remove(fsc->debugfs_mdsmap);
debugfs_remove(fsc->debugfs_mds_sessions);
debugfs_remove(fsc->debugfs_caps);
debugfs_remove(fsc->debugfs_status);
debugfs_remove(fsc->debugfs_mdsc);
debugfs_remove_recursive(fsc->debugfs_reset_dir);
debugfs_remove(fsc->debugfs_subvolume_metrics);
debugfs_remove_recursive(fsc->debugfs_metrics_dir);
doutc(fsc->client, "done\n");
}
void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
char name[NAME_MAX];
doutc(fsc->client, "begin\n");
fsc->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
fsc->client->debugfs_dir,
fsc,
&congestion_kb_fops);
snprintf(name, sizeof(name), "../../bdi/%s",
bdi_dev_name(fsc->sb->s_bdi));
fsc->debugfs_bdi =
debugfs_create_symlink("bdi",
fsc->client->debugfs_dir,
name);
fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
0400,
fsc->client->debugfs_dir,
fsc,
&mdsmap_fops);
fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
0400,
fsc->client->debugfs_dir,
fsc,
&mds_sessions_fops);
fsc->debugfs_mdsc = debugfs_create_file("mdsc",
0400,
fsc->client->debugfs_dir,
fsc,
&mdsc_fops);
fsc->debugfs_caps = debugfs_create_file("caps",
0400,
fsc->client->debugfs_dir,
fsc,
&caps_fops);
fsc->debugfs_reset_dir = debugfs_create_dir("reset",
fsc->client->debugfs_dir);
debugfs_create_file("trigger", 0200,
fsc->debugfs_reset_dir, fsc,
&ceph_reset_trigger_fops);
debugfs_create_file("status", 0400,
fsc->debugfs_reset_dir, fsc,
&reset_status_fops);
fsc->debugfs_status = debugfs_create_file("status",
0400,
fsc->client->debugfs_dir,
fsc,
&status_fops);
fsc->debugfs_metrics_dir = debugfs_create_dir("metrics",
fsc->client->debugfs_dir);
debugfs_create_file("file", 0400, fsc->debugfs_metrics_dir, fsc,
&metrics_file_fops);
debugfs_create_file("latency", 0400, fsc->debugfs_metrics_dir, fsc,
&metrics_latency_fops);
debugfs_create_file("size", 0400, fsc->debugfs_metrics_dir, fsc,
&metrics_size_fops);
debugfs_create_file("caps", 0400, fsc->debugfs_metrics_dir, fsc,
&metrics_caps_fops);
debugfs_create_file("metric_features", 0400, fsc->debugfs_metrics_dir,
fsc, &metric_features_fops);
fsc->debugfs_subvolume_metrics =
debugfs_create_file("subvolumes", 0400,
fsc->debugfs_metrics_dir, fsc,
&subvolume_metrics_fops);
doutc(fsc->client, "done\n");
}
#else
void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
}
void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
{
}
#endif
