-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * 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 <libcfs/list.h>
#include <lustre_param.h>
-#include <class_hash.h>
-static lustre_hash_ops_t uuid_hash_ops;
-static lustre_hash_ops_t nid_hash_ops;
-static lustre_hash_ops_t nid_stat_hash_ops;
+#include "llog_internal.h"
+
+static cfs_hash_ops_t uuid_hash_ops;
+static cfs_hash_ops_t nid_hash_ops;
+static cfs_hash_ops_t nid_stat_hash_ops;
/*********** string parsing utils *********/
return 0;
}
+EXPORT_SYMBOL(class_find_param);
+
+/**
+ * Check whether the proc parameter \a param is an old parameter or not from
+ * the array \a ptr which contains the mapping from old parameters to new ones.
+ * If it's an old one, then return the pointer to the cfg_interop_param struc-
+ * ture which contains both the old and new parameters.
+ *
+ * \param param proc parameter
+ * \param ptr an array which contains the mapping from
+ * old parameters to new ones
+ *
+ * \retval valid-pointer pointer to the cfg_interop_param structure
+ * which contains the old and new parameters
+ * \retval NULL \a param or \a ptr is NULL,
+ * or \a param is not an old parameter
+ */
+struct cfg_interop_param *class_find_old_param(const char *param,
+ struct cfg_interop_param *ptr)
+{
+ char *value = NULL;
+ int name_len = 0;
+
+ if (param == NULL || ptr == NULL)
+ RETURN(NULL);
+
+ value = strchr(param, '=');
+ if (value == NULL)
+ name_len = strlen(param);
+ else
+ name_len = value - param;
+
+ while (ptr->old_param != NULL) {
+ if (strncmp(param, ptr->old_param, name_len) == 0 &&
+ name_len == strlen(ptr->old_param))
+ RETURN(ptr);
+ ptr++;
+ }
+
+ RETURN(NULL);
+}
+EXPORT_SYMBOL(class_find_old_param);
/**
* Finds a parameter in \a params and copies it to \a copy.
}
return 1;
}
+EXPORT_SYMBOL(class_get_next_param);
/* returns 0 if this is the first key in the buffer, else 1.
valp points to first char after key. */
return 0;
}
+EXPORT_SYMBOL(class_match_param);
+
+static int parse_nid(char *buf, void *value, int quiet)
+{
+ lnet_nid_t *nid = (lnet_nid_t *)value;
+
+ *nid = libcfs_str2nid(buf);
+ if (*nid != LNET_NID_ANY)
+ return 0;
+
+ if (!quiet)
+ LCONSOLE_ERROR_MSG(0x159, "Can't parse NID '%s'\n", buf);
+ return -EINVAL;
+}
+
+static int parse_net(char *buf, void *value)
+{
+ __u32 *net = (__u32 *)value;
+
+ *net = libcfs_str2net(buf);
+ CDEBUG(D_INFO, "Net %s\n", libcfs_net2str(*net));
+ return 0;
+}
+
+enum {
+ CLASS_PARSE_NID = 1,
+ CLASS_PARSE_NET,
+};
/* 0 is good nid,
1 not found
< 0 error
endh is set to next separator */
-int class_parse_nid(char *buf, lnet_nid_t *nid, char **endh)
+static int class_parse_value(char *buf, int opc, void *value, char **endh,
+ int quiet)
{
- char tmp, *endp;
+ char *endp;
+ char tmp;
+ int rc = 0;
if (!buf)
return 1;
tmp = *endp;
*endp = '\0';
- *nid = libcfs_str2nid(buf);
- if (*nid == LNET_NID_ANY) {
- LCONSOLE_ERROR_MSG(0x159, "Can't parse NID '%s'\n", buf);
- *endp = tmp;
- return -EINVAL;
+ switch (opc) {
+ default:
+ LBUG();
+ case CLASS_PARSE_NID:
+ rc = parse_nid(buf, value, quiet);
+ break;
+ case CLASS_PARSE_NET:
+ rc = parse_net(buf, value);
+ break;
}
*endp = tmp;
-
+ if (rc != 0)
+ return rc;
if (endh)
*endh = endp;
- CDEBUG(D_INFO, "Nid %s\n", libcfs_nid2str(*nid));
return 0;
}
-EXPORT_SYMBOL(class_find_param);
-EXPORT_SYMBOL(class_get_next_param);
-EXPORT_SYMBOL(class_match_param);
+int class_parse_nid(char *buf, lnet_nid_t *nid, char **endh)
+{
+ return class_parse_value(buf, CLASS_PARSE_NID, (void *)nid, endh, 0);
+}
EXPORT_SYMBOL(class_parse_nid);
+int class_parse_nid_quiet(char *buf, lnet_nid_t *nid, char **endh)
+{
+ return class_parse_value(buf, CLASS_PARSE_NID, (void *)nid, endh, 1);
+}
+EXPORT_SYMBOL(class_parse_nid_quiet);
+
+int class_parse_net(char *buf, __u32 *net, char **endh)
+{
+ return class_parse_value(buf, CLASS_PARSE_NET, (void *)net, endh, 0);
+}
+EXPORT_SYMBOL(class_parse_net);
+
+/* 1 param contains key and match
+ * 0 param contains key and not match
+ * -1 param does not contain key
+ */
+int class_match_nid(char *buf, char *key, lnet_nid_t nid)
+{
+ lnet_nid_t tmp;
+ int rc = -1;
+
+ while (class_find_param(buf, key, &buf) == 0) {
+ /* please restrict to the nids pertaining to
+ * the specified nids */
+ while (class_parse_nid(buf, &tmp, &buf) == 0) {
+ if (tmp == nid)
+ return 1;
+ }
+ rc = 0;
+ }
+ return rc;
+}
+EXPORT_SYMBOL(class_match_nid);
+
+int class_match_net(char *buf, char *key, __u32 net)
+{
+ __u32 tmp;
+ int rc = -1;
+
+ while (class_find_param(buf, key, &buf) == 0) {
+ /* please restrict to the nids pertaining to
+ * the specified networks */
+ while (class_parse_net(buf, &tmp, &buf) == 0) {
+ if (tmp == net)
+ return 1;
+ }
+ rc = 0;
+ }
+ return rc;
+}
+EXPORT_SYMBOL(class_match_net);
+
/********************** class fns **********************/
/**
- * Create a new device and set the type, name and uuid. If successful, the new
- * device can be accessed by either name or uuid.
+ * Create a new obd device and set the type, name and uuid. If successful,
+ * the new device can be accessed by either name or uuid.
*/
int class_attach(struct lustre_cfg *lcfg)
{
LASSERTF(obd->obd_magic == OBD_DEVICE_MAGIC,
"obd %p obd_magic %08X != %08X\n",
obd, obd->obd_magic, OBD_DEVICE_MAGIC);
- LASSERTF(strncmp(obd->obd_name, name, strlen(name)) == 0, "%p obd_name %s != %s\n",
- obd, obd->obd_name, name);
-
- 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_exports_timed);
- CFS_INIT_LIST_HEAD(&obd->obd_nid_stats);
- spin_lock_init(&obd->obd_nid_lock);
- spin_lock_init(&obd->obd_dev_lock);
- sema_init(&obd->obd_dev_sem, 1);
- 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 */
- /* recovery data */
- cfs_init_timer(&obd->obd_recovery_timer);
- spin_lock_init(&obd->obd_processing_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);
-
- llog_group_init(&obd->obd_olg, FILTER_GROUP_LLOG);
-
- spin_lock_init(&obd->obd_uncommitted_replies_lock);
- CFS_INIT_LIST_HEAD(&obd->obd_uncommitted_replies);
+ LASSERTF(strncmp(obd->obd_name, name, strlen(name)) == 0,
+ "%p obd_name %s != %s\n", obd, obd->obd_name, name);
+
+ 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;
len = strlen(uuid);
if (len >= sizeof(obd->obd_uuid)) {
}
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 */
- spin_lock(&obd->obd_dev_lock);
- atomic_set(&obd->obd_refcount, 1);
- 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, atomic_read(&obd->obd_refcount));
+ obd->obd_minor, typename, atomic_read(&obd->obd_refcount));
RETURN(0);
out:
if (obd != NULL) {
}
return rc;
}
+EXPORT_SYMBOL(class_attach);
+/** Create hashes, self-export, and call type-specific setup.
+ * Setup is effectively the "start this obd" call.
+ */
int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
int err = 0;
}
/* is someone else setting us up right now? (attach inits spinlock) */
- spin_lock(&obd->obd_dev_lock);
- if (obd->obd_starting) {
- 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;
- spin_unlock(&obd->obd_dev_lock);
+ spin_unlock(&obd->obd_dev_lock);
/* create an uuid-export lustre hash */
- obd->obd_uuid_hash = lustre_hash_init("UUID_HASH", 7, 7,
- &uuid_hash_ops, 0);
+ obd->obd_uuid_hash = cfs_hash_create("UUID_HASH",
+ HASH_UUID_CUR_BITS,
+ HASH_UUID_MAX_BITS,
+ HASH_UUID_BKT_BITS, 0,
+ CFS_HASH_MIN_THETA,
+ CFS_HASH_MAX_THETA,
+ &uuid_hash_ops, CFS_HASH_DEFAULT);
if (!obd->obd_uuid_hash)
GOTO(err_hash, err = -ENOMEM);
-
+
/* create a nid-export lustre hash */
- obd->obd_nid_hash = lustre_hash_init("NID_HASH", 7, 7,
- &nid_hash_ops, 0);
+ obd->obd_nid_hash = cfs_hash_create("NID_HASH",
+ HASH_NID_CUR_BITS,
+ HASH_NID_MAX_BITS,
+ HASH_NID_BKT_BITS, 0,
+ CFS_HASH_MIN_THETA,
+ CFS_HASH_MAX_THETA,
+ &nid_hash_ops, CFS_HASH_DEFAULT);
if (!obd->obd_nid_hash)
GOTO(err_hash, err = -ENOMEM);
-
+
/* create a nid-stats lustre hash */
- obd->obd_nid_stats_hash = lustre_hash_init("NID_STATS", 7, 7,
- &nid_stat_hash_ops, 0);
+ obd->obd_nid_stats_hash = cfs_hash_create("NID_STATS",
+ HASH_NID_STATS_CUR_BITS,
+ HASH_NID_STATS_MAX_BITS,
+ HASH_NID_STATS_BKT_BITS, 0,
+ CFS_HASH_MIN_THETA,
+ CFS_HASH_MAX_THETA,
+ &nid_stat_hash_ops, CFS_HASH_DEFAULT);
if (!obd->obd_nid_stats_hash)
GOTO(err_hash, err = -ENOMEM);
GOTO(err_hash, err = PTR_ERR(exp));
obd->obd_self_export = exp;
- 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;
- spin_lock(&obd->obd_dev_lock);
- /* cleanup drops this */
- class_incref(obd, "setup", obd);
- 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(0);
err_exp:
- class_unlink_export(obd->obd_self_export);
- obd->obd_self_export = NULL;
+ if (obd->obd_self_export) {
+ class_unlink_export(obd->obd_self_export);
+ obd->obd_self_export = NULL;
+ }
err_hash:
if (obd->obd_uuid_hash) {
- lustre_hash_exit(obd->obd_uuid_hash);
+ cfs_hash_putref(obd->obd_uuid_hash);
obd->obd_uuid_hash = NULL;
}
if (obd->obd_nid_hash) {
- lustre_hash_exit(obd->obd_nid_hash);
+ cfs_hash_putref(obd->obd_nid_hash);
obd->obd_nid_hash = NULL;
}
if (obd->obd_nid_stats_hash) {
- lustre_hash_exit(obd->obd_nid_stats_hash);
+ cfs_hash_putref(obd->obd_nid_stats_hash);
obd->obd_nid_stats_hash = NULL;
}
obd->obd_starting = 0;
CERROR("setup %s failed (%d)\n", obd->obd_name, err);
return err;
}
+EXPORT_SYMBOL(class_setup);
+/** We have finished using this obd and are ready to destroy it.
+ * There can be no more references to this obd.
+ */
int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg)
{
ENTRY;
RETURN(-EBUSY);
}
- 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);
+ 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);
class_decref(obd, "attach", obd);
-
- /* not strictly necessary, but cleans up eagerly */
- obd_zombie_impexp_cull();
-
RETURN(0);
}
+EXPORT_SYMBOL(class_detach);
-static void dump_exports(struct obd_device *obd)
-{
- struct obd_export *exp, *n;
-
- list_for_each_entry_safe(exp, n, &obd->obd_exports, exp_obd_chain) {
- struct ptlrpc_reply_state *rs;
- struct ptlrpc_reply_state *first_reply = NULL;
- int nreplies = 0;
-
- list_for_each_entry (rs, &exp->exp_outstanding_replies,
- rs_exp_list) {
- if (nreplies == 0)
- first_reply = rs;
- nreplies++;
- }
-
- CDEBUG(D_IOCTL, "%s: %p %s %s %d %d %d: %p %s\n",
- obd->obd_name, exp, exp->exp_client_uuid.uuid,
- obd_export_nid2str(exp),
- atomic_read(&exp->exp_refcount),
- exp->exp_failed, nreplies, first_reply,
- nreplies > 3 ? "..." : "");
- }
-}
-
+/** Start shutting down the obd. There may be in-progess ops when
+ * this is called. We tell them to start shutting down with a call
+ * to class_disconnect_exports().
+ */
int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
int err = 0;
RETURN(-ENODEV);
}
- 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);
+ 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)
+ yield();
+ smp_rmb();
if (lcfg->lcfg_bufcount >= 2 && LUSTRE_CFG_BUFLEN(lcfg, 1) > 0) {
for (flag = lustre_cfg_string(lcfg, 1); *flag != 0; flag++)
obd_iocontrol(OBD_IOC_SYNC,
obd->obd_self_export,
0, NULL, NULL);
- /* Set the obd readonly if we can */
- obd_iocontrol(OBD_IOC_SET_READONLY,
- obd->obd_self_export,
- 0, NULL, NULL);
}
break;
default:
- CERROR("unrecognised flag '%c'\n",
- *flag);
+ CERROR("Unrecognised flag '%c'\n", *flag);
}
}
+ LASSERT(obd->obd_self_export);
+
/* The three references that should be remaining are the
* obd_self_export and the attach and setup references. */
- if (atomic_read(&obd->obd_refcount) > 3) {
-#if 0 /* We should never fail to cleanup with mountconf */
- if (!(obd->obd_fail || obd->obd_force)) {
- CERROR("OBD %s is still busy with %d references\n"
- "You should stop active file system users,"
- " or use the --force option to cleanup.\n",
- obd->obd_name, atomic_read(&obd->obd_refcount));
- dump_exports(obd);
- /* Allow a failed cleanup to try again. */
- obd->obd_stopping = 0;
- }
-#endif
+ 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, atomic_read(&obd->obd_refcount) - 3);
- dump_exports(obd);
+ obd->obd_name, atomic_read(&obd->obd_refcount) - 3);
+ dump_exports(obd, 0);
class_disconnect_exports(obd);
}
- LASSERT(obd->obd_self_export);
+
+ /* Precleanup, we must make sure all exports get destroyed. */
+ err = obd_precleanup(obd, OBD_CLEANUP_EXPORTS);
+ if (err)
+ CERROR("Precleanup %s returned %d\n",
+ obd->obd_name, err);
/* destroy an uuid-export hash body */
- lustre_hash_exit(obd->obd_uuid_hash);
+ if (obd->obd_uuid_hash) {
+ cfs_hash_putref(obd->obd_uuid_hash);
+ obd->obd_uuid_hash = NULL;
+ }
/* destroy a nid-export hash body */
- lustre_hash_exit(obd->obd_nid_hash);
+ if (obd->obd_nid_hash) {
+ cfs_hash_putref(obd->obd_nid_hash);
+ obd->obd_nid_hash = NULL;
+ }
/* destroy a nid-stats hash body */
- lustre_hash_exit(obd->obd_nid_stats_hash);
+ if (obd->obd_nid_stats_hash) {
+ cfs_hash_putref(obd->obd_nid_stats_hash);
+ obd->obd_nid_stats_hash = NULL;
+ }
- /* Precleanup, we must make sure all exports get destroyed. */
- err = obd_precleanup(obd, OBD_CLEANUP_EXPORTS);
- if (err)
- CERROR("Precleanup %s returned %d\n",
- obd->obd_name, err);
class_decref(obd, "setup", obd);
obd->obd_set_up = 0;
+
RETURN(0);
}
+EXPORT_SYMBOL(class_cleanup);
struct obd_device *class_incref(struct obd_device *obd,
const char *scope, const void *source)
{
lu_ref_add_atomic(&obd->obd_reference, scope, source);
- atomic_inc(&obd->obd_refcount);
+ atomic_inc(&obd->obd_refcount);
CDEBUG(D_INFO, "incref %s (%p) now %d\n", obd->obd_name, obd,
- atomic_read(&obd->obd_refcount));
+ atomic_read(&obd->obd_refcount));
return obd;
}
+EXPORT_SYMBOL(class_incref);
void class_decref(struct obd_device *obd, const char *scope, const void *source)
{
- int err;
- int refs;
+ int err;
+ int refs;
- 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);
+ 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.*/
- spin_lock(&obd->obd_self_export->exp_lock);
- obd->obd_self_export->exp_flags |=
- (obd->obd_fail ? OBD_OPT_FAILOVER : 0) |
- (obd->obd_force ? OBD_OPT_FORCE : 0);
- 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);
}
}
+EXPORT_SYMBOL(class_decref);
+/** Add a failover nid location.
+ * Client obd types contact server obd types using this nid list.
+ */
int class_add_conn(struct obd_device *obd, struct lustre_cfg *lcfg)
{
struct obd_import *imp;
}
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.
+ */
int class_del_conn(struct obd_device *obd, struct lustre_cfg *lcfg)
{
struct obd_import *imp;
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;
- 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);
}
}
RETURN(NULL);
}
+EXPORT_SYMBOL(class_get_profile);
+/** Create a named "profile".
+ * This defines the mdc and osc names to use for a client.
+ * This also is used to define the lov to be used by a mdt.
+ */
int class_add_profile(int proflen, char *prof, int osclen, char *osc,
int mdclen, char *mdc)
{
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);
}
- 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) {
- 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)
}
EXIT;
}
+EXPORT_SYMBOL(class_del_profile);
/* COMPAT_146 */
void class_del_profiles(void)
struct lustre_profile *lprof, *n;
ENTRY;
- list_for_each_entry_safe(lprof, n, &lustre_profile_list, lp_list) {
- 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)
}
EXIT;
}
+EXPORT_SYMBOL(class_del_profiles);
+
+static int class_set_global(char *ptr, int val, struct lustre_cfg *lcfg)
+{
+ ENTRY;
+ if (class_match_param(ptr, PARAM_AT_MIN, NULL) == 0)
+ at_min = val;
+ else if (class_match_param(ptr, PARAM_AT_MAX, NULL) == 0)
+ at_max = val;
+ else if (class_match_param(ptr, PARAM_AT_EXTRA, NULL) == 0)
+ at_extra = val;
+ else if (class_match_param(ptr, PARAM_AT_EARLY_MARGIN, NULL) == 0)
+ at_early_margin = val;
+ else if (class_match_param(ptr, PARAM_AT_HISTORY, NULL) == 0)
+ at_history = val;
+ else if (class_match_param(ptr, PARAM_JOBID_VAR, NULL) == 0)
+ strlcpy(obd_jobid_var, lustre_cfg_string(lcfg, 2),
+ JOBSTATS_JOBID_VAR_MAX_LEN + 1);
+ else
+ RETURN(-EINVAL);
+
+ CDEBUG(D_IOCTL, "global %s = %d\n", ptr, val);
+ RETURN(0);
+}
-/* We can't call ll_process_config directly because it lives in a module that
- must be loaded after this one. */
+
+/* We can't call ll_process_config or lquota_process_config directly because
+ * it lives in a module that must be loaded after this one. */
static int (*client_process_config)(struct lustre_cfg *lcfg) = NULL;
+static int (*quota_process_config)(struct lustre_cfg *lcfg) = NULL;
void lustre_register_client_process_config(int (*cpc)(struct lustre_cfg *lcfg))
{
}
EXPORT_SYMBOL(lustre_register_client_process_config);
+/**
+ * Rename the proc parameter in \a cfg with a new name \a new_name.
+ *
+ * \param cfg config structure which contains the proc parameter
+ * \param new_name new name of the proc parameter
+ *
+ * \retval valid-pointer pointer to the newly-allocated config structure
+ * which contains the renamed proc parameter
+ * \retval ERR_PTR(-EINVAL) if \a cfg or \a new_name is NULL, or \a cfg does
+ * not contain a proc parameter
+ * \retval ERR_PTR(-ENOMEM) if memory allocation failure occurs
+ */
+struct lustre_cfg *lustre_cfg_rename(struct lustre_cfg *cfg,
+ const char *new_name)
+{
+ struct lustre_cfg_bufs *bufs = NULL;
+ struct lustre_cfg *new_cfg = NULL;
+ char *param = NULL;
+ char *new_param = NULL;
+ char *value = NULL;
+ int name_len = 0;
+ int new_len = 0;
+ ENTRY;
+
+ if (cfg == NULL || new_name == NULL)
+ RETURN(ERR_PTR(-EINVAL));
+
+ param = lustre_cfg_string(cfg, 1);
+ if (param == NULL)
+ RETURN(ERR_PTR(-EINVAL));
+
+ value = strchr(param, '=');
+ if (value == NULL)
+ name_len = strlen(param);
+ else
+ name_len = value - param;
+
+ new_len = LUSTRE_CFG_BUFLEN(cfg, 1) + strlen(new_name) - name_len;
+
+ OBD_ALLOC(new_param, new_len);
+ if (new_param == NULL)
+ RETURN(ERR_PTR(-ENOMEM));
+
+ strcpy(new_param, new_name);
+ if (value != NULL)
+ strcat(new_param, value);
+
+ OBD_ALLOC_PTR(bufs);
+ if (bufs == NULL) {
+ OBD_FREE(new_param, new_len);
+ RETURN(ERR_PTR(-ENOMEM));
+ }
+
+ lustre_cfg_bufs_reset(bufs, NULL);
+ lustre_cfg_bufs_init(bufs, cfg);
+ lustre_cfg_bufs_set_string(bufs, 1, new_param);
+
+ new_cfg = lustre_cfg_new(cfg->lcfg_command, bufs);
+
+ OBD_FREE(new_param, new_len);
+ OBD_FREE_PTR(bufs);
+ if (new_cfg == NULL)
+ RETURN(ERR_PTR(-ENOMEM));
+
+ new_cfg->lcfg_num = cfg->lcfg_num;
+ new_cfg->lcfg_flags = cfg->lcfg_flags;
+ new_cfg->lcfg_nid = cfg->lcfg_nid;
+ new_cfg->lcfg_nal = cfg->lcfg_nal;
+
+ RETURN(new_cfg);
+}
+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;
+}
+EXPORT_SYMBOL(lustre_register_quota_process_config);
+
+/** Process configuration commands given in lustre_cfg form.
+ * These may come from direct calls (e.g. class_manual_cleanup)
+ * or processing the config llog, or ioctl from lctl.
+ */
int class_process_config(struct lustre_cfg *lcfg)
{
struct obd_device *obd;
CDEBUG(D_IOCTL, "changing lustre timeout from %d to %d\n",
obd_timeout, lcfg->lcfg_num);
obd_timeout = max(lcfg->lcfg_num, 1U);
+ obd_timeout_set = 1;
+ GOTO(out, err = 0);
+ }
+ case LCFG_SET_LDLM_TIMEOUT: {
+ CDEBUG(D_IOCTL, "changing lustre ldlm_timeout from %d to %d\n",
+ ldlm_timeout, lcfg->lcfg_num);
+ ldlm_timeout = max(lcfg->lcfg_num, 1U);
+ if (ldlm_timeout >= obd_timeout)
+ ldlm_timeout = max(obd_timeout / 3, 1U);
+ ldlm_timeout_set = 1;
GOTO(out, err = 0);
}
case LCFG_SET_UPCALL: {
GOTO(out, err = 0);
}
case LCFG_PARAM: {
+ char *tmp;
/* llite has no obd */
if ((class_match_param(lustre_cfg_string(lcfg, 1),
PARAM_LLITE, 0) == 0) &&
client_process_config) {
err = (*client_process_config)(lcfg);
GOTO(out, err);
- }
- /* Fall through */
- break;
- }
- }
-
+ } else if ((class_match_param(lustre_cfg_string(lcfg, 1),
+ PARAM_SYS, &tmp) == 0)) {
+ /* Global param settings */
+ err = class_set_global(tmp, lcfg->lcfg_num, lcfg);
+ /*
+ * 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);
+ }
+
+ 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);
}
return err;
}
+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);
- /* rc = -EINVAL; continue parsing other params */
+ /* rc = -EINVAL; continue parsing other params */
continue;
}
keylen = sval - 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);
- }
- if (rc < 0)
- CERROR("writing proc entry %s err %d\n",
- var->name, rc);
- 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 {
- LCONSOLE_INFO("%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)
RETURN(0);
#endif
}
+EXPORT_SYMBOL(class_process_proc_param);
+#endif
-int class_config_dump_handler(struct llog_handle * handle,
- struct llog_rec_hdr *rec, void *data);
+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
-static int class_config_llog_handler(struct llog_handle * handle,
- struct llog_rec_hdr *rec, void *data)
+/*
+ * 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.
+ */
+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",
!(clli->cfg_flags & CFG_F_MARKER) &&
(lcfg->lcfg_command != LCFG_MARKER)) {
CWARN("Config not inside markers, ignoring! "
- "(inst: %s, uuid: %s, flags: %#x)\n",
- clli->cfg_instance ? clli->cfg_instance : "<null>",
+ "(inst: %p, uuid: %s, flags: %#x)\n",
+ clli->cfg_instance,
clli->cfg_uuid.uuid, clli->cfg_flags);
clli->cfg_flags |= CFG_F_SKIP;
}
{
char *typename = lustre_cfg_string(lcfg, 1);
char *index = lustre_cfg_string(lcfg, 2);
-
+
if ((lcfg->lcfg_command == LCFG_ATTACH && typename &&
strcmp(typename, "mds") == 0)) {
CWARN("For 1.8 interoperability, rename obd "
}
if ((lcfg->lcfg_command == LCFG_SETUP && index &&
strcmp(index, "type") == 0)) {
- CWARN("For 1.8 interoperability, set this"
- " index to '0'\n");
+ CDEBUG(D_INFO, "For 1.8 interoperability, "
+ "set this index to '0'\n");
index[0] = '0';
index[1] = 0;
}
}
- 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);
LUSTRE_CFG_BUFLEN(lcfg, 0) > 0){
inst = 1;
inst_len = LUSTRE_CFG_BUFLEN(lcfg, 0) +
- strlen(clli->cfg_instance) + 1;
+ sizeof(clli->cfg_instance) * 2 + 4;
OBD_ALLOC(inst_name, inst_len);
if (inst_name == NULL)
GOTO(out, rc = -ENOMEM);
- sprintf(inst_name, "%s-%s",
+ sprintf(inst_name, "%s-%p",
lustre_cfg_string(lcfg, 0),
clli->cfg_instance);
lustre_cfg_bufs_set_string(&bufs, 0, inst_name);
/* we override the llog's uuid for clients, to insure they
are unique */
- if (clli && clli->cfg_instance &&
+ if (clli && clli->cfg_instance != NULL &&
lcfg->lcfg_command == LCFG_ATTACH) {
lustre_cfg_bufs_set_string(&bufs, 2,
clli->cfg_uuid.uuid);
}
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)
}
out:
if (rc) {
- CERROR("Err %d on cfg command:\n", rc);
- class_config_dump_handler(handle, rec, data);
+ CERROR("%s: cfg command failed: rc = %d\n",
+ handle->lgh_ctxt->loc_obd->obd_name, rc);
+ class_config_dump_handler(NULL, handle, rec, data);
}
RETURN(rc);
}
+EXPORT_SYMBOL(class_config_llog_handler);
-int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
- struct config_llog_instance *cfg)
+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;
- int rc, rc2;
- ENTRY;
-
- CDEBUG(D_INFO, "looking up llog %s\n", name);
- rc = llog_create(ctxt, &llh, NULL, name);
- if (rc)
- RETURN(rc);
+ 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);
+ rc = llog_open(env, ctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
+ if (rc)
+ RETURN(rc);
+
+ rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
+ if (rc)
+ GOTO(parse_out, rc);
+
+ /* continue processing from where we last stopped to end-of-log */
+ 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, 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);
+ if (cfg)
+ cfg->cfg_last_idx = cd.lpcd_last_idx;
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(parse_out, rc);
-
- /* continue processing from where we last stopped to end-of-log */
- if (cfg)
- cd.lpcd_first_idx = cfg->cfg_last_idx;
- cd.lpcd_last_idx = 0;
-
- rc = llog_process(llh, class_config_llog_handler, 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);
+parse_out:
+ llog_close(env, llh);
+ RETURN(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 } }
+};
- if (cfg)
- cfg->cfg_last_idx = cd.lpcd_last_idx;
+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_out:
- rc2 = llog_close(llh);
- if (rc == 0)
- rc = rc2;
+/**
+ * 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;
+}
- RETURN(rc);
+/**
+ * parse config record and output dump in supplied buffer.
+ * This is separated from class_config_dump_handler() to use
+ * for ioctl needs as well
+ */
+int class_config_parse_rec(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;
+
+ ENTRY;
+
+ LASSERT(rec->lrh_type == OBD_CFG_REC);
+ rc = lustre_cfg_sanity_check(lcfg, rec->lrh_len);
+ if (rc < 0)
+ RETURN(rc);
+
+ ptr += snprintf(ptr, end-ptr, "cmd=%05x ", lcfg->lcfg_command);
+ 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")\n ",
+ libcfs_nid2str(lcfg->lcfg_nid),
+ lcfg->lcfg_nid);
+
+ if (lcfg->lcfg_command == LCFG_MARKER) {
+ struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
+
+ ptr += snprintf(ptr, end-ptr, "marker=%d(%#x)%s '%s'",
+ marker->cm_step, marker->cm_flags,
+ marker->cm_tgtname, marker->cm_comment);
+ } else {
+ int i;
+
+ for (i = 0; i < lcfg->lcfg_bufcount; i++) {
+ ptr += snprintf(ptr, end-ptr, "%d:%s ", i,
+ lustre_cfg_string(lcfg, i));
+ }
+ }
+ ptr += snprintf(ptr, end - ptr, "\n");
+ /* return consumed bytes */
+ rc = ptr - buf;
+ RETURN(rc);
}
-int class_config_dump_handler(struct llog_handle * handle,
- struct llog_rec_hdr *rec, void *data)
+int class_config_dump_handler(const struct lu_env *env,
+ struct llog_handle *handle,
+ struct llog_rec_hdr *rec, void *data)
{
- int cfg_len = rec->lrh_len;
- char *cfg_buf = (char*) (rec + 1);
- char *outstr, *ptr, *end;
- int rc = 0;
- ENTRY;
+ char *outstr;
+ int rc = 0;
- OBD_ALLOC(outstr, 256);
- end = outstr + 256;
- ptr = outstr;
- if (!outstr) {
- RETURN(-ENOMEM);
- }
- if (rec->lrh_type == OBD_CFG_REC) {
- struct lustre_cfg *lcfg;
- int i;
+ ENTRY;
- rc = lustre_cfg_sanity_check(cfg_buf, cfg_len);
- if (rc)
- GOTO(out, rc);
- lcfg = (struct lustre_cfg *)cfg_buf;
+ OBD_ALLOC(outstr, 256);
+ if (outstr == NULL)
+ RETURN(-ENOMEM);
- ptr += snprintf(ptr, end-ptr, "cmd=%05x ",
- lcfg->lcfg_command);
- 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")\n ",
- libcfs_nid2str(lcfg->lcfg_nid),
- lcfg->lcfg_nid);
- }
- if (lcfg->lcfg_command == LCFG_MARKER) {
- struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
- ptr += snprintf(ptr, end-ptr, "marker=%d(%#x)%s '%s'",
- marker->cm_step, marker->cm_flags,
- marker->cm_tgtname, marker->cm_comment);
- } else {
- for (i = 0; i < lcfg->lcfg_bufcount; i++) {
- ptr += snprintf(ptr, end-ptr, "%d:%s ", i,
- lustre_cfg_string(lcfg, i));
- }
- }
- LCONSOLE(D_WARNING, " %s\n", outstr);
- } else {
- LCONSOLE(D_WARNING, "unhandled lrh_type: %#x\n", rec->lrh_type);
- rc = -EINVAL;
- }
-out:
- OBD_FREE(outstr, 256);
- RETURN(rc);
+ if (rec->lrh_type == OBD_CFG_REC) {
+ class_config_parse_rec(rec, outstr, 256);
+ LCONSOLE(D_WARNING, " %s\n", outstr);
+ } else {
+ LCONSOLE(D_WARNING, "unhandled lrh_type: %#x\n", rec->lrh_type);
+ rc = -EINVAL;
+ }
+
+ OBD_FREE(outstr, 256);
+ RETURN(rc);
}
-int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
- struct config_llog_instance *cfg)
+int class_config_dump_llog(const struct lu_env *env, struct llog_ctxt *ctxt,
+ char *name, struct config_llog_instance *cfg)
{
- struct llog_handle *llh;
- int rc, rc2;
- ENTRY;
+ struct llog_handle *llh;
+ int rc;
- LCONSOLE_INFO("Dumping config log %s\n", name);
+ ENTRY;
- rc = llog_create(ctxt, &llh, NULL, name);
- if (rc)
- RETURN(rc);
+ LCONSOLE_INFO("Dumping config log %s\n", name);
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(parse_out, rc);
+ rc = llog_open(env, ctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
+ if (rc)
+ RETURN(rc);
- rc = llog_process(llh, class_config_dump_handler, cfg, NULL);
-parse_out:
- rc2 = llog_close(llh);
- if (rc == 0)
- rc = rc2;
+ rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
+ if (rc)
+ GOTO(parse_out, rc);
- LCONSOLE_INFO("End config log %s\n", name);
- RETURN(rc);
+ rc = llog_process(env, llh, class_config_dump_handler, cfg, NULL);
+parse_out:
+ llog_close(env, llh);
+ LCONSOLE_INFO("End config log %s\n", name);
+ RETURN(rc);
}
+EXPORT_SYMBOL(class_config_dump_llog);
-/* Cleanup and detach */
+/** Call class_cleanup and class_detach.
+ * "Manual" only in the sense that we're faking lcfg commands.
+ */
int class_manual_cleanup(struct obd_device *obd)
{
- struct lustre_cfg *lcfg;
- struct lustre_cfg_bufs bufs;
- int rc;
- char flags[3]="";
+ char flags[3] = "";
+ struct lustre_cfg *lcfg;
+ struct lustre_cfg_bufs bufs;
+ int rc;
ENTRY;
if (!obd) {
lustre_cfg_bufs_reset(&bufs, obd->obd_name);
lustre_cfg_bufs_set_string(&bufs, 1, flags);
lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
+ if (!lcfg)
+ RETURN(-ENOMEM);
rc = class_process_config(lcfg);
if (rc) {
lustre_cfg_free(lcfg);
RETURN(rc);
}
+EXPORT_SYMBOL(class_manual_cleanup);
/*
* uuid<->export lustre hash operations
*/
static unsigned
-uuid_hash(lustre_hash_t *lh, void *key, unsigned mask)
+uuid_hash(cfs_hash_t *hs, const void *key, unsigned mask)
{
- return lh_djb2_hash(((struct obd_uuid *)key)->uuid,
- sizeof(((struct obd_uuid *)key)->uuid), mask);
+ return cfs_hash_djb2_hash(((struct obd_uuid *)key)->uuid,
+ sizeof(((struct obd_uuid *)key)->uuid), mask);
}
static void *
uuid_key(struct hlist_node *hnode)
{
- struct obd_export *exp;
+ struct obd_export *exp;
- exp = 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_compare(void *key, struct hlist_node *hnode)
+uuid_keycmp(const void *key, struct hlist_node *hnode)
{
struct obd_export *exp;
LASSERT(key);
- exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
- RETURN(obd_uuid_equals((struct obd_uuid *)key,&exp->exp_client_uuid) &&
- !exp->exp_failed);
+ return obd_uuid_equals(key, &exp->exp_client_uuid) &&
+ !exp->exp_failed;
}
static void *
-uuid_export_get(struct hlist_node *hnode)
+uuid_export_object(struct hlist_node *hnode)
+{
+ return hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+}
+
+static void
+uuid_export_get(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
class_export_get(exp);
-
- RETURN(exp);
}
-static void *
-uuid_export_put(struct hlist_node *hnode)
+static void
+uuid_export_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_uuid_hash);
class_export_put(exp);
-
- RETURN(exp);
}
-static lustre_hash_ops_t uuid_hash_ops = {
- .lh_hash = uuid_hash,
- .lh_key = uuid_key,
- .lh_compare = uuid_compare,
- .lh_get = uuid_export_get,
- .lh_put = uuid_export_put,
+static cfs_hash_ops_t uuid_hash_ops = {
+ .hs_hash = uuid_hash,
+ .hs_key = uuid_key,
+ .hs_keycmp = uuid_keycmp,
+ .hs_object = uuid_export_object,
+ .hs_get = uuid_export_get,
+ .hs_put_locked = uuid_export_put_locked,
};
*/
static unsigned
-nid_hash(lustre_hash_t *lh, void *key, unsigned mask)
+nid_hash(cfs_hash_t *hs, const void *key, unsigned mask)
{
- return lh_djb2_hash(key, sizeof(lnet_nid_t), mask);
+ return cfs_hash_djb2_hash(key, sizeof(lnet_nid_t), mask);
}
static void *
{
struct obd_export *exp;
- exp = 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_compare(void *key, struct hlist_node *hnode)
+nid_kepcmp(const void *key, struct hlist_node *hnode)
{
struct obd_export *exp;
LASSERT(key);
- exp = 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_get(struct hlist_node *hnode)
+nid_export_object(struct hlist_node *hnode)
+{
+ return hlist_entry(hnode, struct obd_export, exp_nid_hash);
+}
+
+static void
+nid_export_get(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
class_export_get(exp);
-
- RETURN(exp);
}
-static void *
-nid_export_put(struct hlist_node *hnode)
+static void
+nid_export_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct obd_export *exp;
- exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
+ exp = hlist_entry(hnode, struct obd_export, exp_nid_hash);
class_export_put(exp);
-
- RETURN(exp);
}
-static lustre_hash_ops_t nid_hash_ops = {
- .lh_hash = nid_hash,
- .lh_key = nid_key,
- .lh_compare = nid_compare,
- .lh_get = nid_export_get,
- .lh_put = nid_export_put,
+static cfs_hash_ops_t nid_hash_ops = {
+ .hs_hash = nid_hash,
+ .hs_key = nid_key,
+ .hs_keycmp = nid_kepcmp,
+ .hs_object = nid_export_object,
+ .hs_get = nid_export_get,
+ .hs_put_locked = nid_export_put_locked,
};
{
struct nid_stat *ns;
- ns = hlist_entry(hnode, struct nid_stat, nid_hash);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
- RETURN(&ns->nid);
+ return &ns->nid;
}
static int
-nidstats_compare(void *key, struct hlist_node *hnode)
+nidstats_keycmp(const void *key, struct hlist_node *hnode)
{
- RETURN(*(lnet_nid_t *)nidstats_key(hnode) == *(lnet_nid_t *)key);
+ return *(lnet_nid_t *)nidstats_key(hnode) == *(lnet_nid_t *)key;
}
static void *
-nidstats_get(struct hlist_node *hnode)
+nidstats_object(struct hlist_node *hnode)
{
- struct nid_stat *ns;
+ return hlist_entry(hnode, struct nid_stat, nid_hash);
+}
- ns = hlist_entry(hnode, struct nid_stat, nid_hash);
- ns->nid_exp_ref_count++;
+static void
+nidstats_get(cfs_hash_t *hs, struct hlist_node *hnode)
+{
+ struct nid_stat *ns;
- RETURN(ns);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
+ nidstat_getref(ns);
}
-static void *
-nidstats_put(struct hlist_node *hnode)
+static void
+nidstats_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
{
struct nid_stat *ns;
- ns = hlist_entry(hnode, struct nid_stat, nid_hash);
- ns->nid_exp_ref_count--;
-
- RETURN(ns);
+ ns = hlist_entry(hnode, struct nid_stat, nid_hash);
+ nidstat_putref(ns);
}
-static lustre_hash_ops_t nid_stat_hash_ops = {
- .lh_hash = nid_hash,
- .lh_key = nidstats_key,
- .lh_compare = nidstats_compare,
- .lh_get = nidstats_get,
- .lh_put = nidstats_put,
+static cfs_hash_ops_t nid_stat_hash_ops = {
+ .hs_hash = nid_hash,
+ .hs_key = nidstats_key,
+ .hs_keycmp = nidstats_keycmp,
+ .hs_object = nidstats_object,
+ .hs_get = nidstats_get,
+ .hs_put_locked = nidstats_put_locked,
};