+
+int
+ptlrpc_lprocfs_svc_req_history_seek(struct ptlrpc_service_part *svcpt,
+ struct ptlrpc_srh_iterator *srhi,
+ __u64 seq)
+{
+ cfs_list_t *e;
+ struct ptlrpc_request *req;
+
+ if (srhi->srhi_req != NULL &&
+ srhi->srhi_seq > svcpt->scp_hist_seq_culled &&
+ srhi->srhi_seq <= seq) {
+ /* If srhi_req was set previously, hasn't been culled and
+ * we're searching for a seq on or after it (i.e. more
+ * recent), search from it onwards.
+ * Since the service history is LRU (i.e. culled reqs will
+ * 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",
+ 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),
+ "%s:%d: seek offset "LPU64", request seq "LPU64", "
+ "last culled "LPU64"\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;
+ } else {
+ /* search from start */
+ e = svcpt->scp_hist_reqs.next;
+ }
+
+ while (e != &svcpt->scp_hist_reqs) {
+ req = cfs_list_entry(e, struct ptlrpc_request, rq_history_list);
+
+ if (req->rq_history_seq >= seq) {
+ srhi->srhi_seq = req->rq_history_seq;
+ srhi->srhi_req = req;
+ return 0;
+ }
+ e = e->next;
+ }
+
+ return -ENOENT;
+}
+
+/*
+ * ptlrpc history sequence is used as "position" of seq_file, in some case,
+ * seq_read() will increase "position" to indicate reading the next
+ * element, however, low bits of history sequence are reserved for CPT id
+ * (check the details from comments before ptlrpc_req_add_history), which
+ * means seq_read() might change CPT id of history sequence and never
+ * finish reading of requests on a CPT. To make it work, we have to shift
+ * CPT id to high bits and timestamp to low bits, so seq_read() will only
+ * increase timestamp which can correctly indicate the next position.
+ */
+
+/* convert seq_file pos to cpt */
+#define PTLRPC_REQ_POS2CPT(svc, pos) \
+ ((svc)->srv_cpt_bits == 0 ? 0 : \
+ (__u64)(pos) >> (64 - (svc)->srv_cpt_bits))
+
+/* make up seq_file pos from cpt */
+#define PTLRPC_REQ_CPT2POS(svc, cpt) \
+ ((svc)->srv_cpt_bits == 0 ? 0 : \
+ (cpt) << (64 - (svc)->srv_cpt_bits))
+
+/* convert sequence to position */
+#define PTLRPC_REQ_SEQ2POS(svc, seq) \
+ ((svc)->srv_cpt_bits == 0 ? (seq) : \
+ ((seq) >> (svc)->srv_cpt_bits) | \
+ ((seq) << (64 - (svc)->srv_cpt_bits)))
+
+/* convert position to sequence */
+#define PTLRPC_REQ_POS2SEQ(svc, pos) \
+ ((svc)->srv_cpt_bits == 0 ? (pos) : \
+ ((__u64)(pos) << (svc)->srv_cpt_bits) | \
+ ((__u64)(pos) >> (64 - (svc)->srv_cpt_bits)))
+
+static void *
+ptlrpc_lprocfs_svc_req_history_start(struct seq_file *s, loff_t *pos)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_service_part *svcpt;
+ struct ptlrpc_srh_iterator *srhi;
+ unsigned int cpt;
+ int rc;
+ int i;
+
+ if (sizeof(loff_t) != sizeof(__u64)) { /* can't support */
+ CWARN("Failed to read request history because size of loff_t "
+ "%d can't match size of u64\n", (int)sizeof(loff_t));
+ return NULL;
+ }
+
+ OBD_ALLOC(srhi, sizeof(*srhi));
+ if (srhi == NULL)
+ return NULL;
+
+ srhi->srhi_seq = 0;
+ srhi->srhi_req = NULL;
+
+ cpt = PTLRPC_REQ_POS2CPT(svc, *pos);
+
+ ptlrpc_service_for_each_part(svcpt, i, svc) {
+ if (i < cpt) /* skip */
+ continue;
+ if (i > cpt) /* make up the lowest position for this CPT */
+ *pos = PTLRPC_REQ_CPT2POS(svc, i);
+
+ spin_lock(&svcpt->scp_lock);
+ rc = ptlrpc_lprocfs_svc_req_history_seek(svcpt, srhi,
+ PTLRPC_REQ_POS2SEQ(svc, *pos));
+ spin_unlock(&svcpt->scp_lock);
+ if (rc == 0) {
+ *pos = PTLRPC_REQ_SEQ2POS(svc, srhi->srhi_seq);
+ srhi->srhi_idx = i;
+ return srhi;
+ }
+ }
+
+ OBD_FREE(srhi, sizeof(*srhi));
+ return NULL;
+}
+
+static void
+ptlrpc_lprocfs_svc_req_history_stop(struct seq_file *s, void *iter)
+{
+ struct ptlrpc_srh_iterator *srhi = iter;
+
+ if (srhi != NULL)
+ OBD_FREE(srhi, sizeof(*srhi));
+}
+
+static void *
+ptlrpc_lprocfs_svc_req_history_next(struct seq_file *s,
+ void *iter, loff_t *pos)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_srh_iterator *srhi = iter;
+ struct ptlrpc_service_part *svcpt;
+ __u64 seq;
+ int rc;
+ int i;
+
+ for (i = srhi->srhi_idx; i < svc->srv_ncpts; i++) {
+ svcpt = svc->srv_parts[i];
+
+ if (i > srhi->srhi_idx) { /* reset iterator for a new CPT */
+ srhi->srhi_req = NULL;
+ seq = srhi->srhi_seq = 0;
+ } else { /* the next sequence */
+ seq = srhi->srhi_seq + (1 << svc->srv_cpt_bits);
+ }
+
+ spin_lock(&svcpt->scp_lock);
+ rc = ptlrpc_lprocfs_svc_req_history_seek(svcpt, srhi, seq);
+ spin_unlock(&svcpt->scp_lock);
+ if (rc == 0) {
+ *pos = PTLRPC_REQ_SEQ2POS(svc, srhi->srhi_seq);
+ srhi->srhi_idx = i;
+ return srhi;
+ }
+ }
+
+ OBD_FREE(srhi, sizeof(*srhi));
+ return NULL;
+}
+
+/* common ost/mdt so_req_printer */
+void target_print_req(void *seq_file, struct ptlrpc_request *req)
+{
+ /* Called holding srv_lock with irqs disabled.
+ * Print specific req contents and a newline.
+ * CAVEAT EMPTOR: check request message length before printing!!!
+ * You might have received any old crap so you must be just as
+ * careful here as the service's request parser!!! */
+ struct seq_file *sf = seq_file;
+
+ switch (req->rq_phase) {
+ case RQ_PHASE_NEW:
+ /* still awaiting a service thread's attention, or rejected
+ * because the generic request message didn't unpack */
+ seq_printf(sf, "<not swabbed>\n");
+ break;
+ case RQ_PHASE_INTERPRET:
+ /* being handled, so basic msg swabbed, and opc is valid
+ * but racing with mds_handle() */
+ case RQ_PHASE_COMPLETE:
+ /* been handled by mds_handle() reply state possibly still
+ * volatile */
+ seq_printf(sf, "opc %d\n", lustre_msg_get_opc(req->rq_reqmsg));
+ break;
+ default:
+ DEBUG_REQ(D_ERROR, req, "bad phase %d", req->rq_phase);
+ }
+}
+EXPORT_SYMBOL(target_print_req);
+
+static int ptlrpc_lprocfs_svc_req_history_show(struct seq_file *s, void *iter)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_srh_iterator *srhi = iter;
+ struct ptlrpc_service_part *svcpt;
+ struct ptlrpc_request *req;
+ int rc;
+
+ LASSERT(srhi->srhi_idx < svc->srv_ncpts);
+
+ svcpt = svc->srv_parts[srhi->srhi_idx];
+
+ spin_lock(&svcpt->scp_lock);
+
+ 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 (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 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 = PDE_DATA(inode);
+ return 0;
+}
+
+/* See also lprocfs_rd_timeouts */
+static int ptlrpc_lprocfs_timeouts_seq_show(struct seq_file *m, void *n)
+{
+ struct ptlrpc_service *svc = m->private;
+ struct ptlrpc_service_part *svcpt;
+ struct dhms ts;
+ time_t worstt;
+ unsigned int cur;
+ unsigned int worst;
+ int i;
+
+ if (AT_OFF) {
+ seq_printf(m, "adaptive timeouts off, using obd_timeout %u\n",
+ obd_timeout);
+ return 0;
+ }
+
+ ptlrpc_service_for_each_part(svcpt, i, svc) {
+ 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));
+
+ lprocfs_seq_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)
+{
+ struct ptlrpc_service *svc = m->private;
+ return seq_printf(m, "%d\n", svc->srv_hpreq_ratio);
+}
+
+static ssize_t
+ptlrpc_lprocfs_hp_ratio_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct ptlrpc_service *svc = m->private;
+ int rc;
+ int val;
+
+ rc = lprocfs_write_helper(buffer, count, &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);
+
+void ptlrpc_lprocfs_register_service(struct proc_dir_entry *entry,
+ struct ptlrpc_service *svc)
+{
+ 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,
+ .open = ptlrpc_lprocfs_svc_req_history_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = lprocfs_seq_release,
+ };
+
+ int rc;
+
+ ptlrpc_lprocfs_register(entry, svc->srv_name,
+ "stats", &svc->srv_procroot,
+ &svc->srv_stats);
+ if (svc->srv_procroot == NULL)
+ return;
+
+ 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");
+}
+
+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);
+}
+EXPORT_SYMBOL(ptlrpc_lprocfs_register_obd);
+
+void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req, long amount)
+{
+ struct lprocfs_stats *svc_stats;
+ __u32 op = lustre_msg_get_opc(req->rq_reqmsg);
+ int opc = opcode_offset(op);
+
+ svc_stats = req->rq_import->imp_obd->obd_svc_stats;
+ if (svc_stats == NULL || opc <= 0)
+ return;
+ LASSERT(opc < LUSTRE_MAX_OPCODES);
+ if (!(op == LDLM_ENQUEUE || op == MDS_REINT))
+ lprocfs_counter_add(svc_stats, opc + EXTRA_MAX_OPCODES, amount);
+}
+
+void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int bytes)
+{
+ struct lprocfs_stats *svc_stats;
+ int idx;
+
+ if (!req->rq_import)
+ return;
+ svc_stats = req->rq_import->imp_obd->obd_svc_stats;
+ if (!svc_stats)
+ return;
+ idx = lustre_msg_get_opc(req->rq_reqmsg);
+ switch (idx) {
+ case OST_READ:
+ idx = BRW_READ_BYTES + PTLRPC_LAST_CNTR;
+ break;
+ case OST_WRITE:
+ idx = BRW_WRITE_BYTES + PTLRPC_LAST_CNTR;
+ break;
+ default:
+ LASSERTF(0, "unsupported opcode %u\n", idx);
+ break;
+ }
+
+ lprocfs_counter_add(svc_stats, idx, bytes);
+}
+
+EXPORT_SYMBOL(ptlrpc_lprocfs_brw);
+
+void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc)
+{
+ if (svc->srv_procroot != NULL)
+ lprocfs_remove(&svc->srv_procroot);
+
+ 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);
+
+ if (obd->obd_svc_stats)
+ lprocfs_free_stats(&obd->obd_svc_stats);
+}
+EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
+
+#ifndef HAVE_ONLY_PROCFS_SEQ
+int lprocfs_wr_ping(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ 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_wr_ping);
+
+int lprocfs_wr_import(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ 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;
+
+ 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 += 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);
+ }
+ }
+
+ if (do_reconn)
+ ptlrpc_recover_import(imp, uuid, 1);
+
+out:
+ OBD_FREE(kbuf, count + 1);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_wr_import);
+
+int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_import *imp = obd->u.cli.cl_import;
+ int rc;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ rc = snprintf(page, count, "%d\n", !imp->imp_no_pinger_recover);
+ LPROCFS_CLIMP_EXIT(obd);
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_rd_pinger_recov);
+
+int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ 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;
+
+ 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_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 */