-/* -*- 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.
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#ifndef __KERNEL__
# include <liblustre.h>
#else
#endif
struct obd_device *obd_devs[MAX_OBD_DEVICES];
+EXPORT_SYMBOL(obd_devs);
cfs_list_t obd_types;
-cfs_spinlock_t obd_dev_lock = CFS_SPIN_LOCK_UNLOCKED;
+DEFINE_RWLOCK(obd_dev_lock);
#ifndef __KERNEL__
__u64 obd_max_pages = 0;
/* The following are visible and mutable through /proc/sys/lustre/. */
unsigned int obd_debug_peer_on_timeout;
+EXPORT_SYMBOL(obd_debug_peer_on_timeout);
unsigned int obd_dump_on_timeout;
+EXPORT_SYMBOL(obd_dump_on_timeout);
unsigned int obd_dump_on_eviction;
+EXPORT_SYMBOL(obd_dump_on_eviction);
unsigned int obd_max_dirty_pages = 256;
+EXPORT_SYMBOL(obd_max_dirty_pages);
+cfs_atomic_t obd_dirty_pages;
+EXPORT_SYMBOL(obd_dirty_pages);
unsigned int obd_timeout = OBD_TIMEOUT_DEFAULT; /* seconds */
+EXPORT_SYMBOL(obd_timeout);
unsigned int ldlm_timeout = LDLM_TIMEOUT_DEFAULT; /* seconds */
+EXPORT_SYMBOL(ldlm_timeout);
+unsigned int obd_timeout_set;
+EXPORT_SYMBOL(obd_timeout_set);
+unsigned int ldlm_timeout_set;
+EXPORT_SYMBOL(ldlm_timeout_set);
/* Adaptive timeout defs here instead of ptlrpc module for /proc/sys/ access */
unsigned int at_min = 0;
+EXPORT_SYMBOL(at_min);
unsigned int at_max = 600;
+EXPORT_SYMBOL(at_max);
unsigned int at_history = 600;
+EXPORT_SYMBOL(at_history);
int at_early_margin = 5;
+EXPORT_SYMBOL(at_early_margin);
int at_extra = 30;
+EXPORT_SYMBOL(at_extra);
-cfs_atomic_t obd_dirty_pages;
cfs_atomic_t obd_dirty_transit_pages;
+EXPORT_SYMBOL(obd_dirty_transit_pages);
+
+char obd_jobid_var[JOBSTATS_JOBID_VAR_MAX_LEN + 1] = JOBSTATS_DISABLE;
+EXPORT_SYMBOL(obd_jobid_var);
+
+/* Get jobid of current process by reading the environment variable
+ * stored in between the "env_start" & "env_end" of task struct.
+ *
+ * TODO:
+ * It's better to cache the jobid for later use if there is any
+ * efficient way, the cl_env code probably could be reused for this
+ * purpose.
+ *
+ * If some job scheduler doesn't store jobid in the "env_start/end",
+ * then an upcall could be issued here to get the jobid by utilizing
+ * the userspace tools/api. Then, the jobid must be cached.
+ */
+int lustre_get_jobid(char *jobid)
+{
+#ifdef __KERNEL__
+ int jobid_len = JOBSTATS_JOBID_SIZE;
+#endif
+ int ret = 0;
+ ENTRY;
+
+ memset(jobid, 0, JOBSTATS_JOBID_SIZE);
+ /* Jobstats isn't enabled */
+ if (!memcmp(obd_jobid_var, JOBSTATS_DISABLE,
+ strlen(JOBSTATS_DISABLE))) {
+ RETURN(0);
+ }
+
+ /* Use process name + fsuid as jobid */
+ if (!memcmp(obd_jobid_var, JOBSTATS_PROCNAME_UID,
+ strlen(JOBSTATS_PROCNAME_UID))) {
+ snprintf(jobid, JOBSTATS_JOBID_SIZE, "%s_%u",
+ cfs_curproc_comm(), cfs_curproc_fsuid());
+ RETURN(0);
+ }
+
+#ifdef __KERNEL__
+ ret = cfs_get_environ(obd_jobid_var, jobid, &jobid_len);
+ if (ret) {
+ CDEBUG((ret != -ENOENT && ret != -EINVAL && ret != -EDEADLK) ?
+ D_ERROR : D_INFO, "Get jobid for (%s) failed: rc = %d\n",
+ obd_jobid_var, ret);
+ }
+#endif
+ RETURN(ret);
+}
+EXPORT_SYMBOL(lustre_get_jobid);
static inline void obd_data2conn(struct lustre_handle *conn,
struct obd_ioctl_data *data)
case OBD_IOC_GETDEVICE: {
int index = data->ioc_count;
- const char *status;
- char *str;
+ char *status, *str;
if (!data->ioc_inlbuf1) {
CERROR("No buffer passed in ioctl\n");
if (!obd)
GOTO(out, err = -ENOENT);
- status = obd_dev_status(obd);
+ if (obd->obd_stopping)
+ status = "ST";
+ else if (obd->obd_set_up)
+ status = "UP";
+ else if (obd->obd_attached)
+ status = "AT";
+ else
+ status = "--";
str = (char *)data->ioc_bulk;
snprintf(str, len - sizeof(*data), "%3d %s %s %s %s %d",
(int)index, status, obd->obd_type->typ_name,
if (strnlen(data->ioc_inlbuf4, MAX_OBD_NAME) >= MAX_OBD_NAME)
GOTO(out, err = -EINVAL);
obd = class_name2obd(data->ioc_inlbuf4);
- } else if (obd_minor_valid(data->ioc_dev)) {
- /* XXX = max allocated minor */
+ } else if (data->ioc_dev < class_devno_max()) {
obd = class_num2obd(data->ioc_dev);
} else {
CERROR("OBD ioctl: No device\n");
RETURN(err);
} /* class_handle_ioctl */
-
-
#ifdef __KERNEL__
extern cfs_psdev_t obd_psdev;
#else
void *obd_psdev = NULL;
#endif
-EXPORT_SYMBOL(obd_devs);
-EXPORT_SYMBOL(obd_debug_peer_on_timeout);
-EXPORT_SYMBOL(obd_dump_on_timeout);
-EXPORT_SYMBOL(obd_dump_on_eviction);
-EXPORT_SYMBOL(obd_timeout);
-EXPORT_SYMBOL(ldlm_timeout);
-EXPORT_SYMBOL(obd_max_dirty_pages);
-EXPORT_SYMBOL(obd_dirty_pages);
-EXPORT_SYMBOL(obd_dirty_transit_pages);
-EXPORT_SYMBOL(at_min);
-EXPORT_SYMBOL(at_max);
-EXPORT_SYMBOL(at_extra);
-EXPORT_SYMBOL(at_early_margin);
-EXPORT_SYMBOL(at_history);
-EXPORT_SYMBOL(ptlrpc_put_connection_superhack);
-
-EXPORT_SYMBOL(proc_lustre_root);
-
-EXPORT_SYMBOL(class_register_type);
-EXPORT_SYMBOL(class_unregister_type);
-EXPORT_SYMBOL(class_get_type);
-EXPORT_SYMBOL(class_put_type);
-EXPORT_SYMBOL(class_name2obd);
-EXPORT_SYMBOL(class_uuid2obd);
-EXPORT_SYMBOL(class_find_client_obd);
-EXPORT_SYMBOL(class_devices_in_group);
-EXPORT_SYMBOL(class_conn2export);
-EXPORT_SYMBOL(class_exp2obd);
-EXPORT_SYMBOL(class_conn2obd);
-EXPORT_SYMBOL(class_exp2cliimp);
-EXPORT_SYMBOL(class_conn2cliimp);
-EXPORT_SYMBOL(class_disconnect);
-EXPORT_SYMBOL(class_num2obd);
-
-/* uuid.c */
-EXPORT_SYMBOL(class_uuid_unparse);
-EXPORT_SYMBOL(lustre_uuid_to_peer);
-
-EXPORT_SYMBOL(class_handle_hash);
-EXPORT_SYMBOL(class_handle_unhash);
-EXPORT_SYMBOL(class_handle_hash_back);
-EXPORT_SYMBOL(class_handle2object);
-EXPORT_SYMBOL(class_handle_free_cb);
-
-/* obd_config.c */
-EXPORT_SYMBOL(class_incref);
-EXPORT_SYMBOL(class_decref);
-EXPORT_SYMBOL(class_get_profile);
-EXPORT_SYMBOL(class_del_profile);
-EXPORT_SYMBOL(class_del_profiles);
-EXPORT_SYMBOL(class_process_config);
-EXPORT_SYMBOL(class_process_proc_param);
-EXPORT_SYMBOL(class_config_parse_llog);
-EXPORT_SYMBOL(class_config_dump_llog);
-EXPORT_SYMBOL(class_attach);
-EXPORT_SYMBOL(class_setup);
-EXPORT_SYMBOL(class_cleanup);
-EXPORT_SYMBOL(class_detach);
-EXPORT_SYMBOL(class_manual_cleanup);
-
-/* mea.c */
-EXPORT_SYMBOL(mea_name2idx);
-EXPORT_SYMBOL(raw_name2idx);
-
#define OBD_INIT_CHECK
#ifdef OBD_INIT_CHECK
int obd_init_checks(void)
int init_obdclass(void)
#endif
{
- int err;
+ int i, err;
#ifdef __KERNEL__
- int i;
int lustre_register_fs(void);
for (i = CAPA_SITE_CLIENT; i < CAPA_SITE_MAX; i++)
CFS_INIT_LIST_HEAD(&capa_list[i]);
#endif
-#ifdef CRAY_XT3
LCONSOLE_INFO("Lustre: Build Version: "BUILD_VERSION"\n");
-#else
- LCONSOLE_INFO("OBD class driver, http://www.lustre.org/\n");
- LCONSOLE_INFO(" Lustre Version: "LUSTRE_VERSION_STRING"\n");
- LCONSOLE_INFO(" Build Version: "BUILD_VERSION"\n");
-#endif
cfs_spin_lock_init(&obd_types_lock);
obd_zombie_impexp_init();
#ifdef LPROCFS
obd_memory = lprocfs_alloc_stats(OBD_STATS_NUM,
- LPROCFS_STATS_FLAG_NONE);
+ LPROCFS_STATS_FLAG_NONE |
+ LPROCFS_STATS_FLAG_IRQ_SAFE);
if (obd_memory == NULL) {
CERROR("kmalloc of 'obd_memory' failed\n");
RETURN(-ENOMEM);
if (err)
return err;
- cfs_spin_lock_init(&obd_dev_lock);
CFS_INIT_LIST_HEAD(&obd_types);
err = cfs_psdev_register(&obd_psdev);
return err;
}
+ /* This struct is already zeroed for us (static global) */
+ for (i = 0; i < class_devno_max(); i++)
+ obd_devs[i] = NULL;
/* Default the dirty page cache cap to 1/2 of system memory.
* For clients with less memory, a larger fraction is needed
if (err)
return err;
+ err = llog_info_init();
+ if (err)
+ return err;
+
#ifdef __KERNEL__
err = lustre_register_fs();
- if (err)
- return err;
#endif
- err = obd_hashes_init();
- if (err)
- return err;
return err;
}
#ifdef __KERNEL__
static void cleanup_obdclass(void)
{
+ int i;
int lustre_unregister_fs(void);
__u64 memory_leaked, pages_leaked;
__u64 memory_max, pages_max;
- struct obd_device *obd;
ENTRY;
lustre_unregister_fs();
cfs_psdev_deregister(&obd_psdev);
- for (obd_devlist_first(&obd);
- obd != NULL;
- obd_devlist_next(&obd)) {
- if (obd->obd_set_up &&
+ for (i = 0; i < class_devno_max(); i++) {
+ struct obd_device *obd = class_num2obd(i);
+ if (obd && obd->obd_set_up &&
OBT(obd) && OBP(obd, detach)) {
/* XXX should this call generic detach otherwise? */
LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
OBP(obd, detach)(obd);
}
}
- obd_hashes_fini();
-
+ llog_info_fini();
lu_global_fini();
obd_cleanup_caches();
git://git.whamcloud.com / fs / lustre-release.git / blobdiff