* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
{ MGS_SET_INFO, "mgs_set_info" },
{ MGS_CONFIG_READ, "mgs_config_read" },
{ OBD_PING, "obd_ping" },
- { OBD_LOG_CANCEL, "llog_origin_handle_cancel" },
+ { OBD_LOG_CANCEL, "llog_cancel" },
{ OBD_QC_CALLBACK, "obd_quota_callback" },
{ OBD_IDX_READ, "dt_index_read" },
- { LLOG_ORIGIN_HANDLE_CREATE, "llog_origin_handle_create" },
+ { LLOG_ORIGIN_HANDLE_CREATE, "llog_origin_handle_open" },
{ LLOG_ORIGIN_HANDLE_NEXT_BLOCK, "llog_origin_handle_next_block" },
{ LLOG_ORIGIN_HANDLE_READ_HEADER,"llog_origin_handle_read_header" },
{ LLOG_ORIGIN_HANDLE_WRITE_REC, "llog_origin_handle_write_rec" },
{ SEC_CTX_INIT_CONT,"sec_ctx_init_cont" },
{ SEC_CTX_FINI, "sec_ctx_fini" },
{ FLD_QUERY, "fld_query" },
- { UPDATE_OBJ, "update_obj" },
+ { FLD_READ, "fld_read" },
+ { OUT_UPDATE, "out_update" },
+ { LFSCK_NOTIFY, "lfsck_notify" },
+ { LFSCK_QUERY, "lfsck_query" },
};
struct ll_eopcode {
return;
if (dir) {
- svc_procroot = lprocfs_register(dir, root, NULL, NULL);
+ svc_procroot = lprocfs_seq_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);
+ return seq_printf(m, "%d\n", total);
}
+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);
+ return seq_printf(m, "%d\n", total);
}
-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 *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;
+ int val;
+ int rc;
rc = lprocfs_write_helper(buffer, count, &val);
if (rc < 0)
/* 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 + CFS_PAGE_SIZE - 1) >> CFS_PAGE_SHIFT;
- if (val > cfs_num_physpages/(2 * bufpages))
+ bufpages = (svc->srv_buf_size + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT;
+ if (val > totalram_pages/(2 * bufpages))
return -ERANGE;
spin_lock(&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);
+ return seq_printf(m, "%d\n",
+ svc->srv_nthrs_cpt_init * svc->srv_ncpts);
}
-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 *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;
int val;
int rc = lprocfs_write_helper(buffer, count, &val);
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);
+ return seq_printf(m, "%d\n", total);
}
+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);
+ return seq_printf(m, "%d\n",
+ svc->srv_nthrs_cpt_limit * svc->srv_ncpts);
}
-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 *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;
int val;
int rc = lprocfs_write_helper(buffer, count, &val);
return count;
}
+LPROC_SEQ_FOPS(ptlrpc_lprocfs_threads_max);
/**
* \addtogoup nrs
*
* \param[in] state The policy state
*/
-static const char *
-nrs_state2str(enum ptlrpc_nrs_pol_state state)
+static const char *nrs_state2str(enum ptlrpc_nrs_pol_state state)
{
switch (state) {
default:
LBUG();
case NRS_POL_STATE_INVALID:
return "invalid";
- case NRS_POL_STATE_UNAVAIL:
- return "unavail";
case NRS_POL_STATE_STOPPED:
return "stopped";
case NRS_POL_STATE_STOPPING:
* \param[in] policy The policy
* \param[out] info Holds returned status information
*/
-void
-nrs_policy_get_info_locked(struct ptlrpc_nrs_policy *policy,
- struct ptlrpc_nrs_pol_info *info)
+void nrs_policy_get_info_locked(struct ptlrpc_nrs_policy *policy,
+ struct ptlrpc_nrs_pol_info *info)
{
LASSERT(policy != NULL);
LASSERT(info != NULL);
LASSERT(spin_is_locked(&policy->pol_nrs->nrs_lock));
- memcpy(info->pi_name, policy->pol_name, NRS_POL_NAME_MAX);
+ memcpy(info->pi_name, policy->pol_desc->pd_name, NRS_POL_NAME_MAX);
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;
/**
* 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;
+ seq_printf(m, " - 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 (!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 *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_copy = cmd;
- if (cfs_copy_from_user(cmd, buffer, count))
+ if (copy_from_user(cmd, buffer, count))
GOTO(out, rc = -EFAULT);
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 */
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;
-
- LPROCFS_ENTRY_AND_CHECK(dp);
- rc = seq_open(file, &sops);
- if (rc) {
- LPROCFS_EXIT();
- return 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;
+
+ LPROCFS_ENTRY_CHECK(PDE(inode));
+ rc = seq_open(file, &sops);
+ if (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_seq_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;
+ return seq_printf(m, "%d\n", svc->srv_hpreq_ratio);
}
-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 *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;
int rc;
int val;
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_seq_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);
-
- if (svc->srv_procroot == NULL)
- return;
+ "stats", &svc->srv_procroot,
+ &svc->srv_stats);
+ if (svc->srv_procroot == NULL)
+ return;
- lprocfs_add_vars(svc->srv_procroot, lproc_vars, NULL);
+ lprocfs_seq_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 (cfs_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));
- /* Kludge code(deadlock situation): the lprocfs lock has been held
- * since the client is evicted by writting client's
- * uuid/nid to procfs "evict_client" entry. However,
- * obd_export_evict_by_uuid() will call lprocfs_remove() to destroy
- * the proc entries under the being destroyed export{}, so I have
- * to drop the lock at first here.
- * - jay, jxiong@clusterfs.com */
- LPROCFS_EXIT();
- class_incref(obd, __FUNCTION__, cfs_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__, cfs_current());
- LPROCFS_ENTRY();
-
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_evict_client);
-
-#undef BUFLEN
-
+#ifndef HAVE_ONLY_PROCFS_SEQ
int lprocfs_wr_ping(struct file *file, const char *buffer,
unsigned long count, void *data)
{
}
EXPORT_SYMBOL(lprocfs_wr_ping);
-/* 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)
{
const char prefix[] = "connection=";
const int prefix_len = sizeof(prefix) - 1;
- if (count > CFS_PAGE_SIZE - 1 || count <= prefix_len)
+ if (count > PAGE_CACHE_SIZE - 1 || count <= prefix_len)
return -EINVAL;
OBD_ALLOC(kbuf, count + 1);
if (kbuf == NULL)
return -ENOMEM;
- if (cfs_copy_from_user(kbuf, buffer, count))
+ if (copy_from_user(kbuf, buffer, count))
GOTO(out, count = -EFAULT);
kbuf[count] = 0;
}
EXPORT_SYMBOL(lprocfs_wr_pinger_recov);
+#endif /* HAVE_ONLY_PROCFS_SEQ */
+
+ssize_t
+lprocfs_ping_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ 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);
+
+ req->rq_send_state = LUSTRE_IMP_FULL;
+
+ rc = ptlrpc_queue_wait(req);
+
+ ptlrpc_req_finished(req);
+ if (rc >= 0)
+ RETURN(count);
+ RETURN(rc);
+}
+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".
+ */
+ssize_t
+lprocfs_import_seq_write(struct file *file, const char *buffer, size_t count,
+ loff_t *off)
+{
+ 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;
+
+ 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 += 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);
+
+out:
+ OBD_FREE(kbuf, count + 1);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_import_seq_write);
+
+int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *n)
+{
+ 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);
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_pinger_recov_seq_show);
+
+ssize_t
+lprocfs_pinger_recov_seq_write(struct file *file, const char *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;
+
+ rc = lprocfs_write_helper(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;
+ spin_unlock(&imp->imp_lock);
+ LPROCFS_CLIMP_EXIT(obd);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_pinger_recov_seq_write);
+
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff