* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#ifndef __KERNEL__
-# include <liblustre.h>
-#endif
#include <obd_support.h>
#include <obd.h>
#include "ptlrpc_internal.h"
-struct ll_rpc_opcode {
+static struct ll_rpc_opcode {
__u32 opcode;
const char *opname;
} ll_rpc_opcode_table[LUSTRE_MAX_OPCODES] = {
{ 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" },
{ SEC_CTX_FINI, "sec_ctx_fini" },
{ FLD_QUERY, "fld_query" },
{ FLD_READ, "fld_read" },
- { UPDATE_OBJ, "update_obj" },
+ { OUT_UPDATE, "out_update" },
+ { LFSCK_NOTIFY, "lfsck_notify" },
+ { LFSCK_QUERY, "lfsck_query" },
};
-struct ll_eopcode {
+static struct ll_eopcode {
__u32 opcode;
const char *opname;
} ll_eopcode_table[EXTRA_LAST_OPC] = {
return ll_rpc_opcode_table[offset].opname;
}
-const char* ll_eopcode2str(__u32 opcode)
+static const char *ll_eopcode2str(__u32 opcode)
{
LASSERT(ll_eopcode_table[opcode].opcode == opcode);
return ll_eopcode_table[opcode].opname;
}
-#ifdef LPROCFS
-void ptlrpc_lprocfs_register(struct proc_dir_entry *root, char *dir,
+
+#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)
{
return;
if (dir) {
- svc_procroot = lprocfs_register(dir, root, NULL, NULL);
+ svc_procroot = lprocfs_register(dir, root, NULL, NULL);
if (IS_ERR(svc_procroot)) {
lprocfs_free_stats(&svc_stats);
return;
}
static int
-ptlrpc_lprocfs_read_req_history_len(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ptlrpc_lprocfs_req_history_len_seq_show(struct seq_file *m, void *v)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
struct ptlrpc_service_part *svcpt;
int total = 0;
int i;
- *eof = 1;
-
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svcpt->scp_hist_nrqbds;
- return snprintf(page, count, "%d\n", total);
+ seq_printf(m, "%d\n", total);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_req_history_len);
static int
-ptlrpc_lprocfs_read_req_history_max(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ptlrpc_lprocfs_req_history_max_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
struct ptlrpc_service_part *svcpt;
int total = 0;
int i;
- *eof = 1;
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svc->srv_hist_nrqbds_cpt_max;
- return snprintf(page, count, "%d\n", total);
+ seq_printf(m, "%d\n", total);
+ return 0;
}
-static int
-ptlrpc_lprocfs_write_req_history_max(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+ptlrpc_lprocfs_req_history_max_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct ptlrpc_service *svc = data;
- int bufpages;
- int val;
- int rc;
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ int bufpages;
+ __s64 val;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc < 0)
- return rc;
+ rc = lprocfs_str_to_s64(buffer, count, &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. */
+ /* 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;
+ 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);
static int
-ptlrpc_lprocfs_rd_threads_min(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ptlrpc_lprocfs_threads_min_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
- return snprintf(page, count, "%d\n",
- svc->srv_nthrs_cpt_init * svc->srv_ncpts);
+ seq_printf(m, "%d\n",
+ svc->srv_nthrs_cpt_init * svc->srv_ncpts);
+ return 0;
}
-static int
-ptlrpc_lprocfs_wr_threads_min(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+ptlrpc_lprocfs_threads_min_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct ptlrpc_service *svc = data;
- int val;
- int rc = lprocfs_write_helper(buffer, count, &val);
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ __s64 val;
+ int rc = lprocfs_str_to_s64(buffer, count, &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);
static int
-ptlrpc_lprocfs_rd_threads_started(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ptlrpc_lprocfs_threads_started_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
- struct ptlrpc_service_part *svcpt;
+ struct ptlrpc_service *svc = m->private;
+ struct ptlrpc_service_part *svcpt;
int total = 0;
int i;
ptlrpc_service_for_each_part(svcpt, i, svc)
total += svcpt->scp_nthrs_running;
- return snprintf(page, count, "%d\n", total);
+ seq_printf(m, "%d\n", total);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_threads_started);
static int
-ptlrpc_lprocfs_rd_threads_max(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ptlrpc_lprocfs_threads_max_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
- return snprintf(page, count, "%d\n",
- svc->srv_nthrs_cpt_limit * svc->srv_ncpts);
+ seq_printf(m, "%d\n",
+ svc->srv_nthrs_cpt_limit * svc->srv_ncpts);
+ return 0;
}
-static int
-ptlrpc_lprocfs_wr_threads_max(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+ptlrpc_lprocfs_threads_max_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct ptlrpc_service *svc = data;
- int val;
- int rc = lprocfs_write_helper(buffer, count, &val);
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ __s64 val;
+ int rc = lprocfs_str_to_s64(buffer, count, &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;
}
-
-/**
- * \addtogoup nrs
- * @{
- */
-extern struct nrs_core nrs_core;
+LPROC_SEQ_FOPS(ptlrpc_lprocfs_threads_max);
/**
* Translates \e ptlrpc_nrs_pol_state values to human-readable strings.
{
LASSERT(policy != NULL);
LASSERT(info != NULL);
- LASSERT(spin_is_locked(&policy->pol_nrs->nrs_lock));
+ assert_spin_locked(&policy->pol_nrs->nrs_lock);
+ LASSERT(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));
info->pi_fallback = !!(policy->pol_flags & PTLRPC_NRS_FL_FALLBACK);
info->pi_state = policy->pol_state;
* Reads and prints policy status information for all policies of a PTLRPC
* service.
*/
-static int ptlrpc_lprocfs_rd_nrs(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ptlrpc_lprocfs_nrs_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
struct ptlrpc_service_part *svcpt;
struct ptlrpc_nrs *nrs;
struct ptlrpc_nrs_policy *policy;
bool hp = false;
int i;
int rc = 0;
- int rc2 = 0;
ENTRY;
/**
pol_idx = 0;
- cfs_list_for_each_entry(policy, &nrs->nrs_policy_list,
- pol_list) {
+ list_for_each_entry(policy, &nrs->nrs_policy_list,
+ pol_list) {
LASSERT(pol_idx < num_pols);
nrs_policy_get_info_locked(policy, &tmp);
if (i == 0) {
memcpy(infos[pol_idx].pi_name, tmp.pi_name,
NRS_POL_NAME_MAX);
+ memcpy(infos[pol_idx].pi_arg, tmp.pi_arg,
+ sizeof(tmp.pi_arg));
memcpy(&infos[pol_idx].pi_state, &tmp.pi_state,
sizeof(tmp.pi_state));
infos[pol_idx].pi_fallback = tmp.pi_fallback;
LASSERT(strncmp(infos[pol_idx].pi_name,
tmp.pi_name,
NRS_POL_NAME_MAX) == 0);
+ LASSERT(strncmp(infos[pol_idx].pi_arg,
+ tmp.pi_arg,
+ sizeof(tmp.pi_arg)) == 0);
/**
* Not asserting ptlrpc_nrs_pol_info::pi_state,
* because it may be different between
* queued: 0
* active: 0
*/
- rc2 = snprintf(page + rc, count - rc,
- "%s\n", !hp ?
- "\nregular_requests:" :
- "high_priority_requests:");
-
- if (rc2 >= count - rc) {
- /** Output was truncated */
- GOTO(out, rc = -EFBIG);
- }
-
- rc += rc2;
+ seq_printf(m, "%s\n", !hp ? "\nregular_requests:" :
+ "high_priority_requests:");
for (pol_idx = 0; pol_idx < num_pols; pol_idx++) {
- rc2 = snprintf(page + rc, count - rc,
- " - name: %s\n"
- " state: %s\n"
- " fallback: %s\n"
- " queued: %-20d\n"
- " active: %-20d\n\n",
- infos[pol_idx].pi_name,
- 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 (rc2 >= count - rc) {
- /** Output was truncated */
- GOTO(out, rc = -EFBIG);
- }
-
- rc += rc2;
+ 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);
+ else
+ seq_printf(m, " - name: %s\n",
+ 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);
}
if (!hp && nrs_svc_has_hp(svc)) {
goto again;
}
- *eof = 1;
-
out:
if (infos)
OBD_FREE(infos, num_pols * sizeof(*infos));
RETURN(rc);
}
+
+#define LPROCFS_NRS_WR_MAX_ARG (1024)
/**
* The longest valid command string is the maxium policy name size, plus the
- * length of the " reg" substring
+ * length of the " reg" substring, plus the lenght of argument
*/
-#define LPROCFS_NRS_WR_MAX_CMD (NRS_POL_NAME_MAX + sizeof(" reg") - 1)
+#define LPROCFS_NRS_WR_MAX_CMD (NRS_POL_NAME_MAX + sizeof(" reg") - 1 \
+ + LPROCFS_NRS_WR_MAX_ARG)
/**
* Starts and stops a given policy on a PTLRPC service.
* if the optional token is omitted, the operation is performed on both the
* regular and high-priority (if the service has one) NRS head.
*/
-static int ptlrpc_lprocfs_wr_nrs(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+ptlrpc_lprocfs_nrs_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct ptlrpc_service *svc = data;
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
enum ptlrpc_nrs_queue_type queue = PTLRPC_NRS_QUEUE_BOTH;
char *cmd;
char *cmd_copy = NULL;
- char *token;
+ char *policy_name;
+ char *queue_name;
int rc = 0;
ENTRY;
cmd[count] = '\0';
- token = strsep(&cmd, " ");
+ policy_name = strsep(&cmd, " ");
- if (strlen(token) > NRS_POL_NAME_MAX - 1)
+ if (strlen(policy_name) > NRS_POL_NAME_MAX - 1)
GOTO(out, rc = -EINVAL);
/**
if (cmd == NULL)
goto default_queue;
+ queue_name = strsep(&cmd, " ");
/**
- * The second token is either NULL, or an optional [reg|hp] string
+ * The second token is either an optional [reg|hp] string,
+ * or arguments
*/
- if (strcmp(cmd, "reg") == 0)
+ if (strcmp(queue_name, "reg") == 0)
queue = PTLRPC_NRS_QUEUE_REG;
- else if (strcmp(cmd, "hp") == 0)
+ else if (strcmp(queue_name, "hp") == 0)
queue = PTLRPC_NRS_QUEUE_HP;
- else
- GOTO(out, rc = -EINVAL);
+ else {
+ if (cmd != NULL)
+ *(cmd - 1) = ' ';
+ cmd = queue_name;
+ }
default_queue:
*/
mutex_lock(&nrs_core.nrs_mutex);
- rc = ptlrpc_nrs_policy_control(svc, queue, token, PTLRPC_NRS_CTL_START,
- false, NULL);
+ rc = ptlrpc_nrs_policy_control(svc, queue, policy_name,
+ PTLRPC_NRS_CTL_START,
+ false, cmd);
mutex_unlock(&nrs_core.nrs_mutex);
out:
RETURN(rc < 0 ? rc : count);
}
+LPROC_SEQ_FOPS(ptlrpc_lprocfs_nrs);
/** @} nrs */
struct ptlrpc_request *srhi_req;
};
-int
+static int
ptlrpc_lprocfs_svc_req_history_seek(struct ptlrpc_service_part *svcpt,
struct ptlrpc_srh_iterator *srhi,
__u64 seq)
{
- cfs_list_t *e;
+ struct list_head *e;
struct ptlrpc_request *req;
if (srhi->srhi_req != NULL &&
"%s:%d: seek seq "LPU64", request seq "LPU64"\n",
svcpt->scp_service->srv_name, svcpt->scp_cpt,
srhi->srhi_seq, srhi->srhi_req->rq_history_seq);
- LASSERTF(!cfs_list_empty(&svcpt->scp_hist_reqs),
+ LASSERTF(!list_empty(&svcpt->scp_hist_reqs),
"%s:%d: seek offset "LPU64", request seq "LPU64", "
"last culled "LPU64"\n",
svcpt->scp_service->srv_name, svcpt->scp_cpt,
}
while (e != &svcpt->scp_hist_reqs) {
- req = cfs_list_entry(e, struct ptlrpc_request, rq_history_list);
+ req = list_entry(e, struct ptlrpc_request, rq_history_list);
if (req->rq_history_seq >= seq) {
srhi->srhi_seq = req->rq_history_seq;
rc = ptlrpc_lprocfs_svc_req_history_seek(svcpt, srhi, srhi->srhi_seq);
- if (rc == 0) {
- req = srhi->srhi_req;
-
- /* 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) ",
- req->rq_history_seq, libcfs_nid2str(req->rq_self),
- 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);
+ if (rc == 0) {
+ struct timespec 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_usec * NSEC_PER_USEC;
+ sent.tv_sec = req->rq_sent;
+ sent.tv_nsec = 0;
+ arrivaldiff = timespec_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.%06ld:%ld.%06lds(%+ld.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_arrival_time.tv_usec,
+ arrivaldiff.tv_sec,
+ arrivaldiff.tv_nsec / NSEC_PER_USEC,
+ req->rq_sent - req->rq_deadline);
if (svc->srv_ops.so_req_printer == NULL)
seq_printf(s, "\n");
else
svc->srv_ops.so_req_printer(s, srhi->srhi_req);
- }
+ }
spin_unlock(&svcpt->scp_lock);
return rc;
static int
ptlrpc_lprocfs_svc_req_history_open(struct inode *inode, struct file *file)
{
- static struct seq_operations sops = {
- .start = ptlrpc_lprocfs_svc_req_history_start,
- .stop = ptlrpc_lprocfs_svc_req_history_stop,
- .next = ptlrpc_lprocfs_svc_req_history_next,
- .show = ptlrpc_lprocfs_svc_req_history_show,
- };
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seqf;
- int rc;
+ static struct seq_operations sops = {
+ .start = ptlrpc_lprocfs_svc_req_history_start,
+ .stop = ptlrpc_lprocfs_svc_req_history_stop,
+ .next = ptlrpc_lprocfs_svc_req_history_next,
+ .show = ptlrpc_lprocfs_svc_req_history_show,
+ };
+ struct seq_file *seqf;
+ int rc;
+
+ rc = LPROCFS_ENTRY_CHECK(inode);
+ if (rc < 0)
+ return rc;
- LPROCFS_ENTRY_CHECK(dp);
- rc = seq_open(file, &sops);
+ rc = seq_open(file, &sops);
if (rc)
- return rc;
+ return rc;
- seqf = file->private_data;
- seqf->private = dp->data;
- return 0;
+ seqf = file->private_data;
+ seqf->private = PDE_DATA(inode);
+ return 0;
}
/* See also lprocfs_rd_timeouts */
-static int ptlrpc_lprocfs_rd_timeouts(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ptlrpc_lprocfs_timeouts_seq_show(struct seq_file *m, void *n)
{
- struct ptlrpc_service *svc = data;
+ struct ptlrpc_service *svc = m->private;
struct ptlrpc_service_part *svcpt;
struct dhms ts;
time_t worstt;
unsigned int cur;
unsigned int worst;
- int nob = 0;
- int rc = 0;
int i;
if (AT_OFF) {
- rc += snprintf(page + rc, count - rc,
- "adaptive timeouts off, using obd_timeout %u\n",
- obd_timeout);
- return rc;
+ seq_printf(m, "adaptive timeouts off, using obd_timeout %u\n",
+ obd_timeout);
+ return 0;
}
ptlrpc_service_for_each_part(svcpt, i, svc) {
worstt = svcpt->scp_at_estimate.at_worst_time;
s2dhms(&ts, cfs_time_current_sec() - worstt);
- nob = snprintf(page, count,
- "%10s : cur %3u worst %3u (at %ld, "
- DHMS_FMT" ago) ", "service",
- cur, worst, worstt, DHMS_VARS(&ts));
-
- nob = lprocfs_at_hist_helper(page, count, nob,
- &svcpt->scp_at_estimate);
- rc += nob;
- page += nob;
- count -= nob;
-
- /*
- * NB: for lustre proc read, the read count must be less
- * than PAGE_SIZE, please see details in lprocfs_fops_read.
- * It's unlikely that we exceed PAGE_SIZE at here because
- * it means the service has more than 50 partitions.
- */
- if (count <= 0) {
- CWARN("Can't fit AT information of %s in one page, "
- "please contact with developer to fix this.\n",
- svc->srv_name);
- break;
- }
+ seq_printf(m, "%10s : cur %3u worst %3u (at %ld, "
+ DHMS_FMT" ago) ", "service",
+ cur, worst, worstt, DHMS_VARS(&ts));
+
+ lprocfs_at_hist_helper(m, &svcpt->scp_at_estimate);
}
- return rc;
+ return 0;
}
+LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_timeouts);
-static int ptlrpc_lprocfs_rd_hp_ratio(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ptlrpc_lprocfs_hp_ratio_seq_show(struct seq_file *m, void *v)
{
- struct ptlrpc_service *svc = data;
- int rc = snprintf(page, count, "%d", svc->srv_hpreq_ratio);
- return rc;
+ struct ptlrpc_service *svc = m->private;
+ seq_printf(m, "%d\n", svc->srv_hpreq_ratio);
+ return 0;
}
-static int ptlrpc_lprocfs_wr_hp_ratio(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+ptlrpc_lprocfs_hp_ratio_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct ptlrpc_service *svc = data;
- int rc;
- int val;
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ int rc;
+ __s64 val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc < 0)
return rc;
- if (val < 0)
+ if (val < 0 || val > INT_MAX)
return -ERANGE;
spin_lock(&svc->srv_lock);
return count;
}
+LPROC_SEQ_FOPS(ptlrpc_lprocfs_hp_ratio);
void ptlrpc_lprocfs_register_service(struct proc_dir_entry *entry,
struct ptlrpc_service *svc)
{
- struct lprocfs_vars lproc_vars[] = {
- {.name = "high_priority_ratio",
- .read_fptr = ptlrpc_lprocfs_rd_hp_ratio,
- .write_fptr = ptlrpc_lprocfs_wr_hp_ratio,
- .data = svc},
- {.name = "req_buffer_history_len",
- .read_fptr = ptlrpc_lprocfs_read_req_history_len,
- .data = svc},
- {.name = "req_buffer_history_max",
- .write_fptr = ptlrpc_lprocfs_write_req_history_max,
- .read_fptr = ptlrpc_lprocfs_read_req_history_max,
- .data = svc},
- {.name = "threads_min",
- .read_fptr = ptlrpc_lprocfs_rd_threads_min,
- .write_fptr = ptlrpc_lprocfs_wr_threads_min,
- .data = svc},
- {.name = "threads_max",
- .read_fptr = ptlrpc_lprocfs_rd_threads_max,
- .write_fptr = ptlrpc_lprocfs_wr_threads_max,
- .data = svc},
- {.name = "threads_started",
- .read_fptr = ptlrpc_lprocfs_rd_threads_started,
- .data = svc},
- {.name = "timeouts",
- .read_fptr = ptlrpc_lprocfs_rd_timeouts,
- .data = svc},
- {.name = "nrs_policies",
- .read_fptr = ptlrpc_lprocfs_rd_nrs,
- .write_fptr = ptlrpc_lprocfs_wr_nrs,
- .data = svc},
- {NULL}
+ 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 },
+ { NULL }
};
static struct file_operations req_history_fops = {
.owner = THIS_MODULE,
int rc;
ptlrpc_lprocfs_register(entry, svc->srv_name,
- "stats", &svc->srv_procroot,
- &svc->srv_stats);
+ "stats", &svc->srv_procroot,
+ &svc->srv_stats);
+ if (svc->srv_procroot == NULL)
+ return;
- if (svc->srv_procroot == NULL)
- return;
+ lprocfs_add_vars(svc->srv_procroot, lproc_vars, NULL);
- lprocfs_add_vars(svc->srv_procroot, lproc_vars, NULL);
-
- rc = lprocfs_seq_create(svc->srv_procroot, "req_history",
- 0400, &req_history_fops, svc);
- if (rc)
- CWARN("Error adding the req_history file\n");
+ rc = lprocfs_seq_create(svc->srv_procroot, "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)
}
EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
-
-#define BUFLEN (UUID_MAX + 5)
-
-int lprocfs_wr_evict_client(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- char *kbuf;
- char *tmpbuf;
-
- OBD_ALLOC(kbuf, BUFLEN);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, BUFLEN - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- class_incref(obd, __FUNCTION__, current);
-
- if (strncmp(tmpbuf, "nid:", 4) == 0)
- obd_export_evict_by_nid(obd, tmpbuf + 4);
- else if (strncmp(tmpbuf, "uuid:", 5) == 0)
- obd_export_evict_by_uuid(obd, tmpbuf + 5);
- else
- obd_export_evict_by_uuid(obd, tmpbuf);
-
- class_decref(obd, __FUNCTION__, current);
-
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_evict_client);
-
-#undef BUFLEN
-
-int lprocfs_wr_ping(struct file *file, const char *buffer,
- unsigned long count, void *data)
+ssize_t
+lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct ptlrpc_request *req;
- int rc;
- ENTRY;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ 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 == NULL)
- RETURN(-ENOMEM);
+ LPROCFS_CLIMP_CHECK(obd);
+ req = ptlrpc_prep_ping(obd->u.cli.cl_import);
+ LPROCFS_CLIMP_EXIT(obd);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- req->rq_send_state = LUSTRE_IMP_FULL;
+ req->rq_send_state = LUSTRE_IMP_FULL;
- rc = ptlrpc_queue_wait(req);
+ rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
- if (rc >= 0)
- RETURN(count);
- RETURN(rc);
+ ptlrpc_req_finished(req);
+ if (rc >= 0)
+ RETURN(count);
+ RETURN(rc);
}
-EXPORT_SYMBOL(lprocfs_wr_ping);
+EXPORT_SYMBOL(lprocfs_ping_seq_write);
/* Write the connection UUID to this file to attempt to connect to that node.
* The connection UUID is a node's primary NID. For example,
* "echo connection=192.168.0.1@tcp0::instance > .../import".
*/
-int lprocfs_wr_import(struct file *file, const char *buffer,
- unsigned long count, void *data)
+ssize_t
+lprocfs_import_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct obd_import *imp = obd->u.cli.cl_import;
- char *kbuf = NULL;
- char *uuid;
- char *ptr;
- int do_reconn = 1;
- const char prefix[] = "connection=";
- const int prefix_len = sizeof(prefix) - 1;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct obd_import *imp = obd->u.cli.cl_import;
+ char *kbuf = NULL;
+ char *uuid;
+ char *ptr;
+ int do_reconn = 1;
+ const char prefix[] = "connection=";
+ const int prefix_len = sizeof(prefix) - 1;
if (count > PAGE_CACHE_SIZE - 1 || count <= prefix_len)
- return -EINVAL;
+ return -EINVAL;
- OBD_ALLOC(kbuf, count + 1);
- if (kbuf == NULL)
- return -ENOMEM;
+ OBD_ALLOC(kbuf, count + 1);
+ if (kbuf == NULL)
+ return -ENOMEM;
if (copy_from_user(kbuf, buffer, count))
- GOTO(out, count = -EFAULT);
-
- kbuf[count] = 0;
-
- /* only support connection=uuid::instance now */
- if (strncmp(prefix, kbuf, prefix_len) != 0)
- GOTO(out, count = -EINVAL);
-
- uuid = kbuf + prefix_len;
- ptr = strstr(uuid, "::");
- if (ptr) {
- __u32 inst;
- char *endptr;
-
- *ptr = 0;
- do_reconn = 0;
- ptr += strlen("::");
- inst = simple_strtol(ptr, &endptr, 10);
- if (*endptr) {
- CERROR("config: wrong instance # %s\n", ptr);
- } else if (inst != imp->imp_connect_data.ocd_instance) {
- CDEBUG(D_INFO, "IR: %s is connecting to an obsoleted "
- "target(%u/%u), reconnecting...\n",
- imp->imp_obd->obd_name,
- imp->imp_connect_data.ocd_instance, inst);
- do_reconn = 1;
- } else {
- CDEBUG(D_INFO, "IR: %s has already been connecting to "
- "new target(%u)\n",
- imp->imp_obd->obd_name, inst);
- }
- }
+ GOTO(out, count = -EFAULT);
+
+ kbuf[count] = 0;
+
+ /* only support connection=uuid::instance now */
+ if (strncmp(prefix, kbuf, prefix_len) != 0)
+ GOTO(out, count = -EINVAL);
+
+ uuid = kbuf + prefix_len;
+ ptr = strstr(uuid, "::");
+ if (ptr) {
+ __u32 inst;
+ char *endptr;
+
+ *ptr = 0;
+ do_reconn = 0;
+ ptr += 2; /* Skip :: */
+ inst = simple_strtol(ptr, &endptr, 10);
+ if (*endptr) {
+ CERROR("config: wrong instance # %s\n", ptr);
+ } else if (inst != imp->imp_connect_data.ocd_instance) {
+ CDEBUG(D_INFO, "IR: %s is connecting to an obsoleted "
+ "target(%u/%u), reconnecting...\n",
+ imp->imp_obd->obd_name,
+ imp->imp_connect_data.ocd_instance, inst);
+ do_reconn = 1;
+ } else {
+ CDEBUG(D_INFO, "IR: %s has already been connecting to "
+ "new target(%u)\n",
+ imp->imp_obd->obd_name, inst);
+ }
+ }
- if (do_reconn)
- ptlrpc_recover_import(imp, uuid, 1);
+ if (do_reconn)
+ ptlrpc_recover_import(imp, uuid, 1);
out:
- OBD_FREE(kbuf, count + 1);
- return count;
+ OBD_FREE(kbuf, count + 1);
+ return count;
}
-EXPORT_SYMBOL(lprocfs_wr_import);
+EXPORT_SYMBOL(lprocfs_import_seq_write);
-int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *n)
{
- struct obd_device *obd = data;
- struct obd_import *imp = obd->u.cli.cl_import;
- int rc;
+ struct obd_device *obd = m->private;
+ struct obd_import *imp = obd->u.cli.cl_import;
- LPROCFS_CLIMP_CHECK(obd);
- rc = snprintf(page, count, "%d\n", !imp->imp_no_pinger_recover);
- LPROCFS_CLIMP_EXIT(obd);
-
- return rc;
+ LPROCFS_CLIMP_CHECK(obd);
+ seq_printf(m, "%d\n", !imp->imp_no_pinger_recover);
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
}
-EXPORT_SYMBOL(lprocfs_rd_pinger_recov);
+EXPORT_SYMBOL(lprocfs_pinger_recov_seq_show);
-int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
- unsigned long count, void *data)
+ssize_t
+lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct client_obd *cli = &obd->u.cli;
- struct obd_import *imp = cli->cl_import;
- int rc, val;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc < 0)
- return rc;
+ 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;
+ __s64 val;
+
+ rc = lprocfs_str_to_s64(buffer, count, &val);
+ if (rc < 0)
+ return rc;
- if (val != 0 && val != 1)
- return -ERANGE;
+ if (val != 0 && val != 1)
+ return -ERANGE;
- LPROCFS_CLIMP_CHECK(obd);
+ LPROCFS_CLIMP_CHECK(obd);
spin_lock(&imp->imp_lock);
imp->imp_no_pinger_recover = !val;
spin_unlock(&imp->imp_lock);
LPROCFS_CLIMP_EXIT(obd);
-
return count;
-
}
-EXPORT_SYMBOL(lprocfs_wr_pinger_recov);
+EXPORT_SYMBOL(lprocfs_pinger_recov_seq_write);
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff