* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifdef __KERNEL__
#include <obd_class.h>
#include <linux/string.h>
+#include <lustre_disk.h>
#else
#include <liblustre.h>
#include <string.h>
#include <obd_class.h>
#include <obd.h>
#endif
+#include <lustre_ioctl.h>
#include <lustre_log.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
LASSERTF(strncmp(obd->obd_name, name, strlen(name)) == 0,
"%p obd_name %s != %s\n", obd, obd->obd_name, name);
- cfs_rwlock_init(&obd->obd_pool_lock);
- obd->obd_pool_limit = 0;
- obd->obd_pool_slv = 0;
-
- CFS_INIT_LIST_HEAD(&obd->obd_exports);
- CFS_INIT_LIST_HEAD(&obd->obd_unlinked_exports);
- CFS_INIT_LIST_HEAD(&obd->obd_delayed_exports);
- CFS_INIT_LIST_HEAD(&obd->obd_exports_timed);
- CFS_INIT_LIST_HEAD(&obd->obd_nid_stats);
- cfs_spin_lock_init(&obd->obd_nid_lock);
- cfs_spin_lock_init(&obd->obd_dev_lock);
- cfs_mutex_init(&obd->obd_dev_mutex);
- cfs_spin_lock_init(&obd->obd_osfs_lock);
- /* obd->obd_osfs_age must be set to a value in the distant
- * past to guarantee a fresh statfs is fetched on mount. */
- obd->obd_osfs_age = cfs_time_shift_64(-1000);
-
- /* XXX belongs in setup not attach */
- cfs_init_rwsem(&obd->obd_observer_link_sem);
- /* recovery data */
- cfs_init_timer(&obd->obd_recovery_timer);
- cfs_spin_lock_init(&obd->obd_recovery_task_lock);
- cfs_waitq_init(&obd->obd_next_transno_waitq);
- cfs_waitq_init(&obd->obd_evict_inprogress_waitq);
- CFS_INIT_LIST_HEAD(&obd->obd_req_replay_queue);
- CFS_INIT_LIST_HEAD(&obd->obd_lock_replay_queue);
- CFS_INIT_LIST_HEAD(&obd->obd_final_req_queue);
- CFS_INIT_LIST_HEAD(&obd->obd_evict_list);
-
- llog_group_init(&obd->obd_olg, FID_SEQ_LLOG);
+ rwlock_init(&obd->obd_pool_lock);
+ obd->obd_pool_limit = 0;
+ obd->obd_pool_slv = 0;
+
+ INIT_LIST_HEAD(&obd->obd_exports);
+ INIT_LIST_HEAD(&obd->obd_unlinked_exports);
+ INIT_LIST_HEAD(&obd->obd_delayed_exports);
+ INIT_LIST_HEAD(&obd->obd_exports_timed);
+ INIT_LIST_HEAD(&obd->obd_nid_stats);
+ spin_lock_init(&obd->obd_nid_lock);
+ spin_lock_init(&obd->obd_dev_lock);
+ mutex_init(&obd->obd_dev_mutex);
+ spin_lock_init(&obd->obd_osfs_lock);
+ /* obd->obd_osfs_age must be set to a value in the distant
+ * past to guarantee a fresh statfs is fetched on mount. */
+ obd->obd_osfs_age = cfs_time_shift_64(-1000);
+
+ /* XXX belongs in setup not attach */
+ init_rwsem(&obd->obd_observer_link_sem);
+ /* recovery data */
+ cfs_init_timer(&obd->obd_recovery_timer);
+ spin_lock_init(&obd->obd_recovery_task_lock);
+ init_waitqueue_head(&obd->obd_next_transno_waitq);
+ init_waitqueue_head(&obd->obd_evict_inprogress_waitq);
+ INIT_LIST_HEAD(&obd->obd_req_replay_queue);
+ INIT_LIST_HEAD(&obd->obd_lock_replay_queue);
+ INIT_LIST_HEAD(&obd->obd_final_req_queue);
+ INIT_LIST_HEAD(&obd->obd_evict_list);
+ INIT_LIST_HEAD(&obd->obd_lwp_list);
+
+ llog_group_init(&obd->obd_olg);
obd->obd_conn_inprogress = 0;
}
memcpy(obd->obd_uuid.uuid, uuid, len);
- /* do the attach */
- if (OBP(obd, attach)) {
- rc = OBP(obd,attach)(obd, sizeof *lcfg, lcfg);
- if (rc)
- GOTO(out, rc = -EINVAL);
- }
-
/* Detach drops this */
- cfs_spin_lock(&obd->obd_dev_lock);
- cfs_atomic_set(&obd->obd_refcount, 1);
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_lock(&obd->obd_dev_lock);
+ atomic_set(&obd->obd_refcount, 1);
+ spin_unlock(&obd->obd_dev_lock);
lu_ref_init(&obd->obd_reference);
lu_ref_add(&obd->obd_reference, "attach", obd);
obd->obd_attached = 1;
CDEBUG(D_IOCTL, "OBD: dev %d attached type %s with refcount %d\n",
- obd->obd_minor, typename, cfs_atomic_read(&obd->obd_refcount));
+ obd->obd_minor, typename, atomic_read(&obd->obd_refcount));
RETURN(0);
out:
if (obd != NULL) {
}
/* is someone else setting us up right now? (attach inits spinlock) */
- cfs_spin_lock(&obd->obd_dev_lock);
- if (obd->obd_starting) {
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_lock(&obd->obd_dev_lock);
+ if (obd->obd_starting) {
+ spin_unlock(&obd->obd_dev_lock);
CERROR("Device %d setup in progress (type %s)\n",
obd->obd_minor, obd->obd_type->typ_name);
RETURN(-EEXIST);
obd->obd_uuid_hash = NULL;
obd->obd_nid_hash = NULL;
obd->obd_nid_stats_hash = NULL;
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_unlock(&obd->obd_dev_lock);
/* create an uuid-export lustre hash */
obd->obd_uuid_hash = cfs_hash_create("UUID_HASH",
GOTO(err_hash, err = PTR_ERR(exp));
obd->obd_self_export = exp;
- cfs_list_del_init(&exp->exp_obd_chain_timed);
+ list_del_init(&exp->exp_obd_chain_timed);
class_export_put(exp);
err = obd_setup(obd, lcfg);
obd->obd_set_up = 1;
- cfs_spin_lock(&obd->obd_dev_lock);
- /* cleanup drops this */
- class_incref(obd, "setup", obd);
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_lock(&obd->obd_dev_lock);
+ /* cleanup drops this */
+ class_incref(obd, "setup", obd);
+ spin_unlock(&obd->obd_dev_lock);
CDEBUG(D_IOCTL, "finished setup of obd %s (uuid %s)\n",
obd->obd_name, obd->obd_uuid.uuid);
RETURN(-EBUSY);
}
- cfs_spin_lock(&obd->obd_dev_lock);
- if (!obd->obd_attached) {
- cfs_spin_unlock(&obd->obd_dev_lock);
- CERROR("OBD device %d not attached\n", obd->obd_minor);
- RETURN(-ENODEV);
- }
- obd->obd_attached = 0;
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_lock(&obd->obd_dev_lock);
+ if (!obd->obd_attached) {
+ spin_unlock(&obd->obd_dev_lock);
+ CERROR("OBD device %d not attached\n", obd->obd_minor);
+ RETURN(-ENODEV);
+ }
+ obd->obd_attached = 0;
+ spin_unlock(&obd->obd_dev_lock);
CDEBUG(D_IOCTL, "detach on obd %s (uuid %s)\n",
obd->obd_name, obd->obd_uuid.uuid);
RETURN(-ENODEV);
}
- cfs_spin_lock(&obd->obd_dev_lock);
- if (obd->obd_stopping) {
- cfs_spin_unlock(&obd->obd_dev_lock);
- CERROR("OBD %d already stopping\n", obd->obd_minor);
- RETURN(-ENODEV);
- }
- /* Leave this on forever */
- obd->obd_stopping = 1;
+ spin_lock(&obd->obd_dev_lock);
+ if (obd->obd_stopping) {
+ spin_unlock(&obd->obd_dev_lock);
+ CERROR("OBD %d already stopping\n", obd->obd_minor);
+ RETURN(-ENODEV);
+ }
+ /* Leave this on forever */
+ obd->obd_stopping = 1;
+ spin_unlock(&obd->obd_dev_lock);
/* wait for already-arrived-connections to finish. */
- while (obd->obd_conn_inprogress > 0) {
- cfs_spin_unlock(&obd->obd_dev_lock);
-
- cfs_cond_resched();
-
- cfs_spin_lock(&obd->obd_dev_lock);
- }
- cfs_spin_unlock(&obd->obd_dev_lock);
+ while (obd->obd_conn_inprogress > 0)
+ yield();
+ smp_rmb();
if (lcfg->lcfg_bufcount >= 2 && LUSTRE_CFG_BUFLEN(lcfg, 1) > 0) {
for (flag = lustre_cfg_string(lcfg, 1); *flag != 0; flag++)
/* The three references that should be remaining are the
* obd_self_export and the attach and setup references. */
- if (cfs_atomic_read(&obd->obd_refcount) > 3) {
+ if (atomic_read(&obd->obd_refcount) > 3) {
/* refcounf - 3 might be the number of real exports
(excluding self export). But class_incref is called
by other things as well, so don't count on it. */
CDEBUG(D_IOCTL, "%s: forcing exports to disconnect: %d\n",
- obd->obd_name, cfs_atomic_read(&obd->obd_refcount) - 3);
+ obd->obd_name, atomic_read(&obd->obd_refcount) - 3);
dump_exports(obd, 0);
class_disconnect_exports(obd);
}
const char *scope, const void *source)
{
lu_ref_add_atomic(&obd->obd_reference, scope, source);
- cfs_atomic_inc(&obd->obd_refcount);
+ atomic_inc(&obd->obd_refcount);
CDEBUG(D_INFO, "incref %s (%p) now %d\n", obd->obd_name, obd,
- cfs_atomic_read(&obd->obd_refcount));
+ atomic_read(&obd->obd_refcount));
return obd;
}
void class_decref(struct obd_device *obd, const char *scope, const void *source)
{
- int err;
- int refs;
+ int err;
+ int refs;
- cfs_spin_lock(&obd->obd_dev_lock);
- cfs_atomic_dec(&obd->obd_refcount);
- refs = cfs_atomic_read(&obd->obd_refcount);
- cfs_spin_unlock(&obd->obd_dev_lock);
- lu_ref_del(&obd->obd_reference, scope, source);
+ spin_lock(&obd->obd_dev_lock);
+ atomic_dec(&obd->obd_refcount);
+ refs = atomic_read(&obd->obd_refcount);
+ spin_unlock(&obd->obd_dev_lock);
+ lu_ref_del(&obd->obd_reference, scope, source);
- CDEBUG(D_INFO, "Decref %s (%p) now %d\n", obd->obd_name, obd, refs);
+ CDEBUG(D_INFO, "Decref %s (%p) now %d\n", obd->obd_name, obd, refs);
- if ((refs == 1) && obd->obd_stopping) {
- /* All exports have been destroyed; there should
- be no more in-progress ops by this point.*/
+ if ((refs == 1) && obd->obd_stopping) {
+ /* All exports have been destroyed; there should
+ be no more in-progress ops by this point.*/
- cfs_spin_lock(&obd->obd_self_export->exp_lock);
- obd->obd_self_export->exp_flags |= exp_flags_from_obd(obd);
- cfs_spin_unlock(&obd->obd_self_export->exp_lock);
+ spin_lock(&obd->obd_self_export->exp_lock);
+ obd->obd_self_export->exp_flags |= exp_flags_from_obd(obd);
+ spin_unlock(&obd->obd_self_export->exp_lock);
/* note that we'll recurse into class_decref again */
class_unlink_export(obd->obd_self_export);
CERROR("Cleanup %s returned %d\n",
obd->obd_name, err);
}
- if (OBP(obd, detach)) {
- err = OBP(obd, detach)(obd);
- if (err)
- CERROR("Detach returned %d\n", err);
- }
+
class_release_dev(obd);
}
}
}
if (strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) &&
strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) &&
+ strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) &&
+ strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) &&
strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME)) {
CERROR("can't add connection on non-client dev\n");
RETURN(-EINVAL);
RETURN(rc);
}
+EXPORT_SYMBOL(class_add_conn);
/** Remove a failover nid location.
*/
RETURN(rc);
}
-CFS_LIST_HEAD(lustre_profile_list);
+struct list_head lustre_profile_list =
+ LIST_HEAD_INIT(lustre_profile_list);
struct lustre_profile *class_get_profile(const char * prof)
{
struct lustre_profile *lprof;
ENTRY;
- cfs_list_for_each_entry(lprof, &lustre_profile_list, lp_list) {
+ list_for_each_entry(lprof, &lustre_profile_list, lp_list) {
if (!strcmp(lprof->lp_profile, prof)) {
RETURN(lprof);
}
OBD_ALLOC(lprof, sizeof(*lprof));
if (lprof == NULL)
RETURN(-ENOMEM);
- CFS_INIT_LIST_HEAD(&lprof->lp_list);
+ INIT_LIST_HEAD(&lprof->lp_list);
LASSERT(proflen == (strlen(prof) + 1));
OBD_ALLOC(lprof->lp_profile, proflen);
memcpy(lprof->lp_md, mdc, mdclen);
}
- cfs_list_add(&lprof->lp_list, &lustre_profile_list);
+ list_add(&lprof->lp_list, &lustre_profile_list);
RETURN(err);
out:
lprof = class_get_profile(prof);
if (lprof) {
- cfs_list_del(&lprof->lp_list);
+ list_del(&lprof->lp_list);
OBD_FREE(lprof->lp_profile, strlen(lprof->lp_profile) + 1);
OBD_FREE(lprof->lp_dt, strlen(lprof->lp_dt) + 1);
if (lprof->lp_md)
struct lustre_profile *lprof, *n;
ENTRY;
- cfs_list_for_each_entry_safe(lprof, n, &lustre_profile_list, lp_list) {
- cfs_list_del(&lprof->lp_list);
+ list_for_each_entry_safe(lprof, n, &lustre_profile_list, lp_list) {
+ list_del(&lprof->lp_list);
OBD_FREE(lprof->lp_profile, strlen(lprof->lp_profile) + 1);
OBD_FREE(lprof->lp_dt, strlen(lprof->lp_dt) + 1);
if (lprof->lp_md)
}
EXPORT_SYMBOL(lustre_cfg_rename);
+static int process_param2_config(struct lustre_cfg *lcfg)
+{
+ char *param = lustre_cfg_string(lcfg, 1);
+ char *upcall = lustre_cfg_string(lcfg, 2);
+ char *argv[] = {
+ [0] = "/usr/sbin/lctl",
+ [1] = "set_param",
+ [2] = param,
+ [3] = NULL
+ };
+ struct timeval start;
+ struct timeval end;
+ int rc;
+ ENTRY;
+
+ /* Add upcall processing here. Now only lctl is supported */
+ if (strcmp(upcall, LCTL_UPCALL) != 0) {
+ CERROR("Unsupported upcall %s\n", upcall);
+ RETURN(-EINVAL);
+ }
+
+ do_gettimeofday(&start);
+ rc = call_usermodehelper(argv[0], argv, NULL, 0);
+ do_gettimeofday(&end);
+
+ if (rc < 0) {
+ CERROR("lctl: error invoking upcall %s %s %s: rc = %d; "
+ "time %ldus\n", argv[0], argv[1], argv[2], rc,
+ cfs_timeval_sub(&end, &start, NULL));
+ } else {
+ CDEBUG(D_HA, "lctl: invoked upcall %s %s %s, time %ldus\n",
+ argv[0], argv[1], argv[2],
+ cfs_timeval_sub(&end, &start, NULL));
+ rc = 0;
+ }
+
+ RETURN(rc);
+}
+
void lustre_register_quota_process_config(int (*qpc)(struct lustre_cfg *lcfg))
{
quota_process_config = qpc;
PARAM_SYS, &tmp) == 0)) {
/* Global param settings */
err = class_set_global(tmp, lcfg->lcfg_num, lcfg);
- /* Note that since LCFG_PARAM is LCFG_REQUIRED, new
- unknown globals would cause config to fail */
- if (err)
- CWARN("Ignoring unknown param %s\n", tmp);
- GOTO(out, 0);
+ /*
+ * Client or server should not fail to mount if
+ * it hits an unknown configuration parameter.
+ */
+ if (err != 0)
+ CWARN("Ignoring unknown param %s\n", tmp);
+
+ GOTO(out, err = 0);
} else if ((class_match_param(lustre_cfg_string(lcfg, 1),
PARAM_QUOTA, &tmp) == 0) &&
quota_process_config) {
err = (*quota_process_config)(lcfg);
GOTO(out, err);
}
- /* Fall through */
- break;
- }
- }
+ break;
+ }
+ case LCFG_SET_PARAM: {
+ err = process_param2_config(lcfg);
+ GOTO(out, err = 0);
+ }
+ }
/* Commands that require a device */
obd = class_name2obd(lustre_cfg_string(lcfg, 0));
if (obd == NULL) {
GOTO(out, err = -EINVAL);
}
- switch(lcfg->lcfg_command) {
- case LCFG_SETUP: {
- err = class_setup(obd, lcfg);
- GOTO(out, err);
- }
+ switch(lcfg->lcfg_command) {
+ case LCFG_SETUP: {
+ err = class_setup(obd, lcfg);
+ GOTO(out, err);
+ }
case LCFG_DETACH: {
err = class_detach(obd, lcfg);
GOTO(out, err = 0);
case LCFG_POOL_NEW: {
err = obd_pool_new(obd, lustre_cfg_string(lcfg, 2));
GOTO(out, err = 0);
- break;
}
case LCFG_POOL_ADD: {
err = obd_pool_add(obd, lustre_cfg_string(lcfg, 2),
lustre_cfg_string(lcfg, 3));
GOTO(out, err = 0);
- break;
}
case LCFG_POOL_REM: {
err = obd_pool_rem(obd, lustre_cfg_string(lcfg, 2),
lustre_cfg_string(lcfg, 3));
GOTO(out, err = 0);
- break;
}
case LCFG_POOL_DEL: {
err = obd_pool_del(obd, lustre_cfg_string(lcfg, 2));
GOTO(out, err = 0);
- break;
}
default: {
err = obd_process_config(obd, sizeof(*lcfg), lcfg);
}
EXPORT_SYMBOL(class_process_config);
+#ifndef HAVE_ONLY_PROCFS_SEQ
int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
struct lustre_cfg *lcfg, void *data)
{
for (i = 1; i < lcfg->lcfg_bufcount; i++) {
key = lustre_cfg_buf(lcfg, i);
/* Strip off prefix */
- class_match_param(key, prefix, &key);
+ if (class_match_param(key, prefix, &key))
+ /* If the prefix doesn't match, return error so we
+ * can pass it down the stack */
+ RETURN(-ENOSYS);
sval = strchr(key, '=');
if (!sval || (*(sval + 1) == 0)) {
CERROR("Can't parse param %s (missing '=')\n", key);
keylen == strlen(var->name)) {
matched++;
rc = -EROFS;
- if (var->write_fptr) {
- mm_segment_t oldfs;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- rc = (var->write_fptr)(NULL, sval,
- vallen, data);
- set_fs(oldfs);
- }
- break;
+
+ if (var->write_fptr) {
+ mm_segment_t oldfs;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ rc = (var->write_fptr)(NULL, sval,
+ vallen, data);
+ set_fs(oldfs);
+ }
+ break;
}
j++;
}
- if (!matched) {
- /* If the prefix doesn't match, return error so we
- can pass it down the stack */
- if (strnchr(key, keylen, '.'))
- RETURN(-ENOSYS);
- CERROR("%s: unknown param %s\n",
- (char *)lustre_cfg_string(lcfg, 0), key);
- /* rc = -EINVAL; continue parsing other params */
- skip++;
- } else if (rc < 0) {
- CERROR("writing proc entry %s err %d\n",
- var->name, rc);
- rc = 0;
- } else {
- CDEBUG(D_CONFIG, "%s.%.*s: set parameter %.*s=%s\n",
- lustre_cfg_string(lcfg, 0),
- (int)strlen(prefix) - 1, prefix,
- (int)(sval - key - 1), key, sval);
- }
+ if (!matched) {
+ CERROR("%.*s: %s unknown param %s\n",
+ (int)strlen(prefix) - 1, prefix,
+ (char *)lustre_cfg_string(lcfg, 0), key);
+ /* rc = -EINVAL; continue parsing other params */
+ skip++;
+ } else if (rc < 0) {
+ CERROR("%s: error writing proc entry '%s': rc = %d\n",
+ prefix, var->name, rc);
+ rc = 0;
+ } else {
+ CDEBUG(D_CONFIG, "%s.%.*s: Set parameter %.*s=%s\n",
+ lustre_cfg_string(lcfg, 0),
+ (int)strlen(prefix) - 1, prefix,
+ (int)(sval - key - 1), key, sval);
+ }
}
if (rc > 0)
#endif
}
EXPORT_SYMBOL(class_process_proc_param);
+#endif
+
+int class_process_proc_seq_param(char *prefix, struct lprocfs_seq_vars *lvars,
+ struct lustre_cfg *lcfg, void *data)
+{
+#ifdef __KERNEL__
+ struct lprocfs_seq_vars *var;
+ struct file fakefile;
+ struct seq_file fake_seqfile;
+ char *key, *sval;
+ int i, keylen, vallen;
+ int matched = 0, j = 0;
+ int rc = 0;
+ int skip = 0;
+ ENTRY;
+
+ if (lcfg->lcfg_command != LCFG_PARAM) {
+ CERROR("Unknown command: %d\n", lcfg->lcfg_command);
+ RETURN(-EINVAL);
+ }
+
+ /* fake a seq file so that var->fops->write can work... */
+ fakefile.private_data = &fake_seqfile;
+ fake_seqfile.private = data;
+ /* e.g. tunefs.lustre --param mdt.group_upcall=foo /r/tmp/lustre-mdt
+ or lctl conf_param lustre-MDT0000.mdt.group_upcall=bar
+ or lctl conf_param lustre-OST0000.osc.max_dirty_mb=36 */
+ for (i = 1; i < lcfg->lcfg_bufcount; i++) {
+ key = lustre_cfg_buf(lcfg, i);
+ /* Strip off prefix */
+ if (class_match_param(key, prefix, &key))
+ /* If the prefix doesn't match, return error so we
+ * can pass it down the stack */
+ RETURN(-ENOSYS);
+ sval = strchr(key, '=');
+ if (!sval || (*(sval + 1) == 0)) {
+ CERROR("Can't parse param %s (missing '=')\n", key);
+ /* rc = -EINVAL; continue parsing other params */
+ continue;
+ }
+ keylen = sval - key;
+ sval++;
+ vallen = strlen(sval);
+ matched = 0;
+ j = 0;
+ /* Search proc entries */
+ while (lvars[j].name) {
+ var = &lvars[j];
+ if (class_match_param(key, (char *)var->name, 0) == 0 &&
+ keylen == strlen(var->name)) {
+ matched++;
+ rc = -EROFS;
+
+ if (var->fops && var->fops->write) {
+ mm_segment_t oldfs;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ rc = (var->fops->write)(&fakefile, sval,
+ vallen, NULL);
+ set_fs(oldfs);
+ }
+ break;
+ }
+ j++;
+ }
+ if (!matched) {
+ CERROR("%.*s: %s unknown param %s\n",
+ (int)strlen(prefix) - 1, prefix,
+ (char *)lustre_cfg_string(lcfg, 0), key);
+ /* rc = -EINVAL; continue parsing other params */
+ skip++;
+ } else if (rc < 0) {
+ CERROR("%s: error writing proc entry '%s': rc = %d\n",
+ prefix, var->name, rc);
+ rc = 0;
+ } else {
+ CDEBUG(D_CONFIG, "%s.%.*s: Set parameter %.*s=%s\n",
+ lustre_cfg_string(lcfg, 0),
+ (int)strlen(prefix) - 1, prefix,
+ (int)(sval - key - 1), key, sval);
+ }
+ }
+
+ if (rc > 0)
+ rc = 0;
+ if (!rc && skip)
+ rc = skip;
+ RETURN(rc);
+#else
+ CDEBUG(D_CONFIG, "liblustre can't process params.\n");
+ /* Don't throw config error */
+ RETURN(0);
+#endif
+}
+EXPORT_SYMBOL(class_process_proc_seq_param);
#ifdef __KERNEL__
extern int lustre_check_exclusion(struct super_block *sb, char *svname);
#define lustre_check_exclusion(a,b) 0
#endif
+/*
+ * Supplemental functions for config logs, it allocates lustre_cfg
+ * buffers plus initialized llog record header at the beginning.
+ */
+struct llog_cfg_rec *lustre_cfg_rec_new(int cmd, struct lustre_cfg_bufs *bufs)
+{
+ struct llog_cfg_rec *lcr;
+ int reclen;
+
+ ENTRY;
+
+ reclen = lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen);
+ reclen = llog_data_len(reclen) + sizeof(struct llog_rec_hdr) +
+ sizeof(struct llog_rec_tail);
+
+ OBD_ALLOC(lcr, reclen);
+ if (lcr == NULL)
+ RETURN(NULL);
+
+ lustre_cfg_init(&lcr->lcr_cfg, cmd, bufs);
+
+ lcr->lcr_hdr.lrh_len = reclen;
+ lcr->lcr_hdr.lrh_type = OBD_CFG_REC;
+
+ RETURN(lcr);
+}
+EXPORT_SYMBOL(lustre_cfg_rec_new);
+
+void lustre_cfg_rec_free(struct llog_cfg_rec *lcr)
+{
+ ENTRY;
+ OBD_FREE(lcr, lcr->lcr_hdr.lrh_len);
+ EXIT;
+}
+EXPORT_SYMBOL(lustre_cfg_rec_free);
+
/** Parse a configuration llog, doing various manipulations on them
* for various reasons, (modifications for compatibility, skip obsolete
* records, change uuids, etc), then class_process_config() resulting
* net records.
*/
-static int class_config_llog_handler(const struct lu_env *env,
- struct llog_handle *handle,
- struct llog_rec_hdr *rec, void *data)
+int class_config_llog_handler(const struct lu_env *env,
+ struct llog_handle *handle,
+ struct llog_rec_hdr *rec, void *data)
{
struct config_llog_instance *clli = data;
int cfg_len = rec->lrh_len;
if (marker->cm_flags & CM_START) {
/* all previous flags off */
clli->cfg_flags = CFG_F_MARKER;
+ server_name2index(marker->cm_tgtname,
+ &clli->cfg_lwp_idx, NULL);
if (marker->cm_flags & CM_SKIP) {
clli->cfg_flags |= CFG_F_SKIP;
CDEBUG(D_CONFIG, "SKIP #%d\n",
}
}
- if ((clli->cfg_flags & CFG_F_EXCLUDE) &&
- (lcfg->lcfg_command == LCFG_LOV_ADD_OBD))
- /* Add inactive instead */
- lcfg->lcfg_command = LCFG_LOV_ADD_INA;
+#if defined(HAVE_SERVER_SUPPORT) && defined(__KERNEL__)
+ /* newer MDS replaces LOV/OSC with LOD/OSP */
+ {
+ char *typename = lustre_cfg_string(lcfg, 1);
+
+ if ((lcfg->lcfg_command == LCFG_ATTACH && typename &&
+ strcmp(typename, LUSTRE_LOV_NAME) == 0) &&
+ IS_MDT(s2lsi(clli->cfg_sb))) {
+ CDEBUG(D_CONFIG,
+ "For 2.x interoperability, rename obd "
+ "type from lov to lod (%s)\n",
+ s2lsi(clli->cfg_sb)->lsi_svname);
+ strcpy(typename, LUSTRE_LOD_NAME);
+ }
+ if ((lcfg->lcfg_command == LCFG_ATTACH && typename &&
+ strcmp(typename, LUSTRE_OSC_NAME) == 0) &&
+ IS_MDT(s2lsi(clli->cfg_sb))) {
+ CDEBUG(D_CONFIG,
+ "For 2.x interoperability, rename obd "
+ "type from osc to osp (%s)\n",
+ s2lsi(clli->cfg_sb)->lsi_svname);
+ strcpy(typename, LUSTRE_OSP_NAME);
+ }
+ }
+#endif
+
+ if (clli->cfg_flags & CFG_F_EXCLUDE) {
+ CDEBUG(D_CONFIG, "cmd: %x marked EXCLUDED\n",
+ lcfg->lcfg_command);
+ if (lcfg->lcfg_command == LCFG_LOV_ADD_OBD)
+ /* Add inactive instead */
+ lcfg->lcfg_command = LCFG_LOV_ADD_INA;
+ }
lustre_cfg_bufs_init(&bufs, lcfg);
}
lcfg_new = lustre_cfg_new(lcfg->lcfg_command, &bufs);
+ if (lcfg_new == NULL)
+ GOTO(out, rc = -ENOMEM);
lcfg_new->lcfg_num = lcfg->lcfg_num;
lcfg_new->lcfg_flags = lcfg->lcfg_flags;
lcfg_new->lcfg_nal = 0; /* illegal value for obsolete field */
- rc = class_process_config(lcfg_new);
+ rc = class_process_config(lcfg_new);
lustre_cfg_free(lcfg_new);
if (inst)
}
RETURN(rc);
}
+EXPORT_SYMBOL(class_config_llog_handler);
int class_config_parse_llog(const struct lu_env *env, struct llog_ctxt *ctxt,
char *name, struct config_llog_instance *cfg)
{
struct llog_process_cat_data cd = {0, 0};
struct llog_handle *llh;
+ llog_cb_t callback;
int rc;
-
ENTRY;
CDEBUG(D_INFO, "looking up llog %s\n", name);
GOTO(parse_out, rc);
/* continue processing from where we last stopped to end-of-log */
- if (cfg)
+ if (cfg) {
cd.lpcd_first_idx = cfg->cfg_last_idx;
+ callback = cfg->cfg_callback;
+ LASSERT(callback != NULL);
+ } else {
+ callback = class_config_llog_handler;
+ }
+
cd.lpcd_last_idx = 0;
- rc = llog_process(env, llh, class_config_llog_handler, cfg, &cd);
+ rc = llog_process(env, llh, callback, cfg, &cd);
CDEBUG(D_CONFIG, "Processed log %s gen %d-%d (rc=%d)\n", name,
cd.lpcd_first_idx + 1, cd.lpcd_last_idx, rc);
}
EXPORT_SYMBOL(class_config_parse_llog);
+struct lcfg_type_data {
+ __u32 ltd_type;
+ char *ltd_name;
+ char *ltd_bufs[4];
+} lcfg_data_table[] = {
+ { LCFG_ATTACH, "attach", { "type", "UUID", "3", "4" } },
+ { LCFG_DETACH, "detach", { "1", "2", "3", "4" } },
+ { LCFG_SETUP, "setup", { "UUID", "node", "options", "failout" } },
+ { LCFG_CLEANUP, "cleanup", { "1", "2", "3", "4" } },
+ { LCFG_ADD_UUID, "add_uuid", { "node", "2", "3", "4" } },
+ { LCFG_DEL_UUID, "del_uuid", { "1", "2", "3", "4" } },
+ { LCFG_MOUNTOPT, "new_profile", { "name", "lov", "lmv", "4" } },
+ { LCFG_DEL_MOUNTOPT, "del_mountopt", { "1", "2", "3", "4" } , },
+ { LCFG_SET_TIMEOUT, "set_timeout", { "parameter", "2", "3", "4" } },
+ { LCFG_SET_UPCALL, "set_upcall", { "1", "2", "3", "4" } },
+ { LCFG_ADD_CONN, "add_conn", { "node", "2", "3", "4" } },
+ { LCFG_DEL_CONN, "del_conn", { "1", "2", "3", "4" } },
+ { LCFG_LOV_ADD_OBD, "add_osc", { "ost", "index", "gen", "UUID" } },
+ { LCFG_LOV_DEL_OBD, "del_osc", { "1", "2", "3", "4" } },
+ { LCFG_PARAM, "set_param", { "parameter", "value", "3", "4" } },
+ { LCFG_MARKER, "marker", { "1", "2", "3", "4" } },
+ { LCFG_LOG_START, "log_start", { "1", "2", "3", "4" } },
+ { LCFG_LOG_END, "log_end", { "1", "2", "3", "4" } },
+ { LCFG_LOV_ADD_INA, "add_osc_inactive", { "1", "2", "3", "4" } },
+ { LCFG_ADD_MDC, "add_mdc", { "mdt", "index", "gen", "UUID" } },
+ { LCFG_DEL_MDC, "del_mdc", { "1", "2", "3", "4" } },
+ { LCFG_SPTLRPC_CONF, "security", { "parameter", "2", "3", "4" } },
+ { LCFG_POOL_NEW, "new_pool", { "fsname", "pool", "3", "4" } },
+ { LCFG_POOL_ADD, "add_pool", { "fsname", "pool", "ost", "4" } },
+ { LCFG_POOL_REM, "remove_pool", { "fsname", "pool", "ost", "4" } },
+ { LCFG_POOL_DEL, "del_pool", { "fsname", "pool", "3", "4" } },
+ { LCFG_SET_LDLM_TIMEOUT, "set_ldlm_timeout",
+ { "parameter", "2", "3", "4" } },
+ { 0, NULL, { NULL, NULL, NULL, NULL } }
+};
+
+static struct lcfg_type_data *lcfg_cmd2data(__u32 cmd)
+{
+ int i = 0;
+
+ while (lcfg_data_table[i].ltd_type != 0) {
+ if (lcfg_data_table[i].ltd_type == cmd)
+ return &lcfg_data_table[i];
+ i++;
+ }
+ return NULL;
+}
+
+/**
+ * parse config record and output dump in supplied buffer.
+ * This is separated from class_config_dump_handler() to use
+ * for ioctl needs as well
+ *
+ * Sample Output:
+ * - { event: attach, device: lustrewt-clilov, type: lov, UUID:
+ * lustrewt-clilov_UUID }
+ */
+int class_config_yaml_output(struct llog_rec_hdr *rec, char *buf, int size)
+{
+ struct lustre_cfg *lcfg = (struct lustre_cfg *)(rec + 1);
+ char *ptr = buf;
+ char *end = buf + size;
+ int rc = 0, i;
+ struct lcfg_type_data *ldata;
+
+ LASSERT(rec->lrh_type == OBD_CFG_REC);
+ rc = lustre_cfg_sanity_check(lcfg, rec->lrh_len);
+ if (rc < 0)
+ return rc;
+
+ ldata = lcfg_cmd2data(lcfg->lcfg_command);
+ if (ldata == NULL)
+ return -ENOTTY;
+
+ if (lcfg->lcfg_command == LCFG_MARKER)
+ return 0;
+
+ /* form YAML entity */
+ ptr += snprintf(ptr, end - ptr, "- { event: %s", ldata->ltd_name);
+
+ if (lcfg->lcfg_flags)
+ ptr += snprintf(ptr, end - ptr, ", flags: %#08x",
+ lcfg->lcfg_flags);
+ if (lcfg->lcfg_num)
+ ptr += snprintf(ptr, end - ptr, ", num: %#08x",
+ lcfg->lcfg_num);
+ if (lcfg->lcfg_nid)
+ ptr += snprintf(ptr, end - ptr, ", nid: %s("LPX64")",
+ libcfs_nid2str(lcfg->lcfg_nid),
+ lcfg->lcfg_nid);
+
+ if (LUSTRE_CFG_BUFLEN(lcfg, 0) > 0)
+ ptr += snprintf(ptr, end - ptr, ", device: %s",
+ lustre_cfg_string(lcfg, 0));
+
+ for (i = 1; i < lcfg->lcfg_bufcount; i++) {
+ if (LUSTRE_CFG_BUFLEN(lcfg, i) > 0)
+ ptr += snprintf(ptr, end - ptr, ", %s: %s",
+ ldata->ltd_bufs[i - 1],
+ lustre_cfg_string(lcfg, i));
+ }
+
+ ptr += snprintf(ptr, end - ptr, " }\n");
+ /* return consumed bytes */
+ rc = ptr - buf;
+ return rc;
+}
+
/**
* parse config record and output dump in supplied buffer.
* This is separated from class_config_dump_handler() to use
lustre_cfg_string(lcfg, i));
}
}
+ ptr += snprintf(ptr, end - ptr, "\n");
/* return consumed bytes */
rc = ptr - buf;
RETURN(rc);
}
static void *
-uuid_key(cfs_hlist_node_t *hnode)
+uuid_key(struct hlist_node *hnode)
{
- struct obd_export *exp;
+ struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
- return &exp->exp_client_uuid;
+ return &exp->exp_client_uuid;
}
/*
* state with this function
*/
static int
-uuid_keycmp(const void *key, cfs_hlist_node_t *hnode)
+uuid_keycmp(const void *key, struct hlist_node *hnode)
{
struct obd_export *exp;
LASSERT(key);
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
return obd_uuid_equals(key, &exp->exp_client_uuid) &&
!exp->exp_failed;
}
static void *
-uuid_export_object(cfs_hlist_node_t *hnode)
+uuid_export_object(struct hlist_node *hnode)
{
- return cfs_hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ return hlist_entry(hnode, struct obd_export, exp_uuid_hash);
}
static void
-uuid_export_get(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+uuid_export_get(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
class_export_get(exp);
}
static void
-uuid_export_put_locked(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+uuid_export_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
class_export_put(exp);
}
}
static void *
-nid_key(cfs_hlist_node_t *hnode)
+nid_key(struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
RETURN(&exp->exp_connection->c_peer.nid);
}
* state with this function
*/
static int
-nid_kepcmp(const void *key, cfs_hlist_node_t *hnode)
+nid_kepcmp(const void *key, struct hlist_node *hnode)
{
struct obd_export *exp;
LASSERT(key);
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
RETURN(exp->exp_connection->c_peer.nid == *(lnet_nid_t *)key &&
!exp->exp_failed);
}
static void *
-nid_export_object(cfs_hlist_node_t *hnode)
+nid_export_object(struct hlist_node *hnode)
{
- return cfs_hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ return hlist_entry(hnode, struct obd_export, exp_nid_hash);
}
static void
-nid_export_get(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+nid_export_get(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
class_export_get(exp);
}
static void
-nid_export_put_locked(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+nid_export_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = cfs_hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
class_export_put(exp);
}
*/
static void *
-nidstats_key(cfs_hlist_node_t *hnode)
+nidstats_key(struct hlist_node *hnode)
{
struct nid_stat *ns;
- ns = cfs_hlist_entry(hnode, struct nid_stat, nid_hash);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
return &ns->nid;
}
static int
-nidstats_keycmp(const void *key, cfs_hlist_node_t *hnode)
+nidstats_keycmp(const void *key, struct hlist_node *hnode)
{
return *(lnet_nid_t *)nidstats_key(hnode) == *(lnet_nid_t *)key;
}
static void *
-nidstats_object(cfs_hlist_node_t *hnode)
+nidstats_object(struct hlist_node *hnode)
{
- return cfs_hlist_entry(hnode, struct nid_stat, nid_hash);
+ return hlist_entry(hnode, struct nid_stat, nid_hash);
}
static void
-nidstats_get(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+nidstats_get(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct nid_stat *ns;
- ns = cfs_hlist_entry(hnode, struct nid_stat, nid_hash);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
nidstat_getref(ns);
}
static void
-nidstats_put_locked(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+nidstats_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct nid_stat *ns;
- ns = cfs_hlist_entry(hnode, struct nid_stat, nid_hash);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
nidstat_putref(ns);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff