| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 only, |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License version 2 for more details (a copy is included |
| * in the LICENSE file that accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License |
| * version 2 along with this program; If not, see |
| * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| * GPL HEADER END |
| */ |
| /* |
| * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| * |
| * Copyright (c) 2011, 2012, Intel Corporation. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| |
| #define DEBUG_SUBSYSTEM S_CLASS |
| # include <asm/atomic.h> |
| |
| #include <obd_support.h> |
| #include <obd_class.h> |
| #include <linux/lnet/lnetctl.h> |
| #include <lustre_debug.h> |
| #include <lprocfs_status.h> |
| #include <lustre/lustre_build_version.h> |
| #include <linux/list.h> |
| #include <cl_object.h> |
| #include "llog_internal.h" |
| |
| |
| struct obd_device *obd_devs[MAX_OBD_DEVICES]; |
| EXPORT_SYMBOL(obd_devs); |
| struct list_head obd_types; |
| DEFINE_RWLOCK(obd_dev_lock); |
| |
| __u64 obd_max_pages = 0; |
| __u64 obd_max_alloc = 0; |
| DEFINE_SPINLOCK(obd_updatemax_lock); |
| |
| /* The following are visible and mutable through /proc/sys/lustre/. */ |
| unsigned int obd_alloc_fail_rate = 0; |
| EXPORT_SYMBOL(obd_alloc_fail_rate); |
| 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); |
| 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); |
| |
| 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) |
| { |
| int jobid_len = JOBSTATS_JOBID_SIZE; |
| int rc = 0; |
| |
| memset(jobid, 0, JOBSTATS_JOBID_SIZE); |
| /* Jobstats isn't enabled */ |
| if (strcmp(obd_jobid_var, JOBSTATS_DISABLE) == 0) |
| return 0; |
| |
| /* Use process name + fsuid as jobid */ |
| if (strcmp(obd_jobid_var, JOBSTATS_PROCNAME_UID) == 0) { |
| snprintf(jobid, JOBSTATS_JOBID_SIZE, "%s.%u", |
| current_comm(), |
| from_kuid(&init_user_ns, current_fsuid())); |
| return 0; |
| } |
| |
| rc = cfs_get_environ(obd_jobid_var, jobid, &jobid_len); |
| if (rc) { |
| if (rc == -EOVERFLOW) { |
| /* For the PBS_JOBID and LOADL_STEP_ID keys (which are |
| * variable length strings instead of just numbers), it |
| * might make sense to keep the unique parts for JobID, |
| * instead of just returning an error. That means a |
| * larger temp buffer for cfs_get_environ(), then |
| * truncating the string at some separator to fit into |
| * the specified jobid_len. Fix later if needed. */ |
| static bool printed; |
| if (unlikely(!printed)) { |
| LCONSOLE_ERROR_MSG(0x16b, "%s value too large " |
| "for JobID buffer (%d)\n", |
| obd_jobid_var, jobid_len); |
| printed = true; |
| } |
| } else { |
| CDEBUG((rc == -ENOENT || rc == -EINVAL || |
| rc == -EDEADLK) ? D_INFO : D_ERROR, |
| "Get jobid for (%s) failed: rc = %d\n", |
| obd_jobid_var, rc); |
| } |
| } |
| return rc; |
| } |
| EXPORT_SYMBOL(lustre_get_jobid); |
| |
| int obd_alloc_fail(const void *ptr, const char *name, const char *type, |
| size_t size, const char *file, int line) |
| { |
| if (ptr == NULL || |
| (cfs_rand() & OBD_ALLOC_FAIL_MASK) < obd_alloc_fail_rate) { |
| CERROR("%s%salloc of %s ("LPU64" bytes) failed at %s:%d\n", |
| ptr ? "force " :"", type, name, (__u64)size, file, |
| line); |
| CERROR(LPU64" total bytes and "LPU64" total pages " |
| "("LPU64" bytes) allocated by Lustre, " |
| "%d total bytes by LNET\n", |
| obd_memory_sum(), |
| obd_pages_sum() << PAGE_CACHE_SHIFT, |
| obd_pages_sum(), |
| atomic_read(&libcfs_kmemory)); |
| return 1; |
| } |
| return 0; |
| } |
| EXPORT_SYMBOL(obd_alloc_fail); |
| |
| static inline void obd_data2conn(struct lustre_handle *conn, |
| struct obd_ioctl_data *data) |
| { |
| memset(conn, 0, sizeof *conn); |
| conn->cookie = data->ioc_cookie; |
| } |
| |
| static inline void obd_conn2data(struct obd_ioctl_data *data, |
| struct lustre_handle *conn) |
| { |
| data->ioc_cookie = conn->cookie; |
| } |
| |
| int class_resolve_dev_name(__u32 len, const char *name) |
| { |
| int rc; |
| int dev; |
| |
| if (!len || !name) { |
| CERROR("No name passed,!\n"); |
| GOTO(out, rc = -EINVAL); |
| } |
| if (name[len - 1] != 0) { |
| CERROR("Name not nul terminated!\n"); |
| GOTO(out, rc = -EINVAL); |
| } |
| |
| CDEBUG(D_IOCTL, "device name %s\n", name); |
| dev = class_name2dev(name); |
| if (dev == -1) { |
| CDEBUG(D_IOCTL, "No device for name %s!\n", name); |
| GOTO(out, rc = -EINVAL); |
| } |
| |
| CDEBUG(D_IOCTL, "device name %s, dev %d\n", name, dev); |
| rc = dev; |
| |
| out: |
| return rc; |
| } |
| |
| int class_handle_ioctl(unsigned int cmd, unsigned long arg) |
| { |
| char *buf = NULL; |
| struct obd_ioctl_data *data; |
| struct libcfs_debug_ioctl_data *debug_data; |
| struct obd_device *obd = NULL; |
| int err = 0, len = 0; |
| |
| /* only for debugging */ |
| if (cmd == LIBCFS_IOC_DEBUG_MASK) { |
| debug_data = (struct libcfs_debug_ioctl_data*)arg; |
| libcfs_subsystem_debug = debug_data->subs; |
| libcfs_debug = debug_data->debug; |
| return 0; |
| } |
| |
| CDEBUG(D_IOCTL, "cmd = %x\n", cmd); |
| if (obd_ioctl_getdata(&buf, &len, (void *)arg)) { |
| CERROR("OBD ioctl: data error\n"); |
| return -EINVAL; |
| } |
| data = (struct obd_ioctl_data *)buf; |
| |
| switch (cmd) { |
| case OBD_IOC_PROCESS_CFG: { |
| struct lustre_cfg *lcfg; |
| |
| if (!data->ioc_plen1 || !data->ioc_pbuf1) { |
| CERROR("No config buffer passed!\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| OBD_ALLOC(lcfg, data->ioc_plen1); |
| if (lcfg == NULL) |
| GOTO(out, err = -ENOMEM); |
| err = copy_from_user(lcfg, data->ioc_pbuf1, |
| data->ioc_plen1); |
| if (!err) |
| err = lustre_cfg_sanity_check(lcfg, data->ioc_plen1); |
| if (!err) |
| err = class_process_config(lcfg); |
| |
| OBD_FREE(lcfg, data->ioc_plen1); |
| GOTO(out, err); |
| } |
| |
| case OBD_GET_VERSION: |
| if (!data->ioc_inlbuf1) { |
| CERROR("No buffer passed in ioctl\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| if (strlen(BUILD_VERSION) + 1 > data->ioc_inllen1) { |
| CERROR("ioctl buffer too small to hold version\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| memcpy(data->ioc_bulk, BUILD_VERSION, |
| strlen(BUILD_VERSION) + 1); |
| |
| err = obd_ioctl_popdata((void *)arg, data, len); |
| if (err) |
| err = -EFAULT; |
| GOTO(out, err); |
| |
| case OBD_IOC_NAME2DEV: { |
| /* Resolve a device name. This does not change the |
| * currently selected device. |
| */ |
| int dev; |
| |
| dev = class_resolve_dev_name(data->ioc_inllen1, |
| data->ioc_inlbuf1); |
| data->ioc_dev = dev; |
| if (dev < 0) |
| GOTO(out, err = -EINVAL); |
| |
| err = obd_ioctl_popdata((void *)arg, data, sizeof(*data)); |
| if (err) |
| err = -EFAULT; |
| GOTO(out, err); |
| } |
| |
| case OBD_IOC_UUID2DEV: { |
| /* Resolve a device uuid. This does not change the |
| * currently selected device. |
| */ |
| int dev; |
| struct obd_uuid uuid; |
| |
| if (!data->ioc_inllen1 || !data->ioc_inlbuf1) { |
| CERROR("No UUID passed!\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| if (data->ioc_inlbuf1[data->ioc_inllen1 - 1] != 0) { |
| CERROR("UUID not NUL terminated!\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| CDEBUG(D_IOCTL, "device name %s\n", data->ioc_inlbuf1); |
| obd_str2uuid(&uuid, data->ioc_inlbuf1); |
| dev = class_uuid2dev(&uuid); |
| data->ioc_dev = dev; |
| if (dev == -1) { |
| CDEBUG(D_IOCTL, "No device for UUID %s!\n", |
| data->ioc_inlbuf1); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| CDEBUG(D_IOCTL, "device name %s, dev %d\n", data->ioc_inlbuf1, |
| dev); |
| err = obd_ioctl_popdata((void *)arg, data, sizeof(*data)); |
| if (err) |
| err = -EFAULT; |
| GOTO(out, err); |
| } |
| |
| case OBD_IOC_CLOSE_UUID: { |
| CDEBUG(D_IOCTL, "closing all connections to uuid %s (NOOP)\n", |
| data->ioc_inlbuf1); |
| GOTO(out, err = 0); |
| } |
| |
| case OBD_IOC_GETDEVICE: { |
| int index = data->ioc_count; |
| char *status, *str; |
| |
| if (!data->ioc_inlbuf1) { |
| CERROR("No buffer passed in ioctl\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| if (data->ioc_inllen1 < 128) { |
| CERROR("ioctl buffer too small to hold version\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| obd = class_num2obd(index); |
| if (!obd) |
| GOTO(out, err = -ENOENT); |
| |
| 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, |
| obd->obd_name, obd->obd_uuid.uuid, |
| atomic_read(&obd->obd_refcount)); |
| err = obd_ioctl_popdata((void *)arg, data, len); |
| |
| GOTO(out, err = 0); |
| } |
| |
| } |
| |
| if (data->ioc_dev == OBD_DEV_BY_DEVNAME) { |
| if (data->ioc_inllen4 <= 0 || data->ioc_inlbuf4 == NULL) |
| GOTO(out, err = -EINVAL); |
| if (strnlen(data->ioc_inlbuf4, MAX_OBD_NAME) >= MAX_OBD_NAME) |
| GOTO(out, err = -EINVAL); |
| obd = class_name2obd(data->ioc_inlbuf4); |
| } else if (data->ioc_dev < class_devno_max()) { |
| obd = class_num2obd(data->ioc_dev); |
| } else { |
| CERROR("OBD ioctl: No device\n"); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| if (obd == NULL) { |
| CERROR("OBD ioctl : No Device %d\n", data->ioc_dev); |
| GOTO(out, err = -EINVAL); |
| } |
| LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC); |
| |
| if (!obd->obd_set_up || obd->obd_stopping) { |
| CERROR("OBD ioctl: device not setup %d \n", data->ioc_dev); |
| GOTO(out, err = -EINVAL); |
| } |
| |
| switch(cmd) { |
| case OBD_IOC_NO_TRANSNO: { |
| if (!obd->obd_attached) { |
| CERROR("Device %d not attached\n", obd->obd_minor); |
| GOTO(out, err = -ENODEV); |
| } |
| CDEBUG(D_HA, "%s: disabling committed-transno notification\n", |
| obd->obd_name); |
| obd->obd_no_transno = 1; |
| GOTO(out, err = 0); |
| } |
| |
| default: { |
| err = obd_iocontrol(cmd, obd->obd_self_export, len, data, NULL); |
| if (err) |
| GOTO(out, err); |
| |
| err = obd_ioctl_popdata((void *)arg, data, len); |
| if (err) |
| err = -EFAULT; |
| GOTO(out, err); |
| } |
| } |
| |
| out: |
| if (buf) |
| obd_ioctl_freedata(buf, len); |
| return err; |
| } /* class_handle_ioctl */ |
| |
| extern struct miscdevice obd_psdev; |
| |
| #define OBD_INIT_CHECK |
| int obd_init_checks(void) |
| { |
| __u64 u64val, div64val; |
| char buf[64]; |
| int len, ret = 0; |
| |
| CDEBUG(D_INFO, "LPU64=%s, LPD64=%s, LPX64=%s\n", LPU64, LPD64, LPX64); |
| |
| CDEBUG(D_INFO, "OBD_OBJECT_EOF = "LPX64"\n", (__u64)OBD_OBJECT_EOF); |
| |
| u64val = OBD_OBJECT_EOF; |
| CDEBUG(D_INFO, "u64val OBD_OBJECT_EOF = "LPX64"\n", u64val); |
| if (u64val != OBD_OBJECT_EOF) { |
| CERROR("__u64 "LPX64"(%d) != 0xffffffffffffffff\n", |
| u64val, (int)sizeof(u64val)); |
| ret = -EINVAL; |
| } |
| len = snprintf(buf, sizeof(buf), LPX64, u64val); |
| if (len != 18) { |
| CWARN("LPX64 wrong length! strlen(%s)=%d != 18\n", buf, len); |
| ret = -EINVAL; |
| } |
| |
| div64val = OBD_OBJECT_EOF; |
| CDEBUG(D_INFO, "u64val OBD_OBJECT_EOF = "LPX64"\n", u64val); |
| if (u64val != OBD_OBJECT_EOF) { |
| CERROR("__u64 "LPX64"(%d) != 0xffffffffffffffff\n", |
| u64val, (int)sizeof(u64val)); |
| ret = -EOVERFLOW; |
| } |
| if (u64val >> 8 != OBD_OBJECT_EOF >> 8) { |
| CERROR("__u64 "LPX64"(%d) != 0xffffffffffffffff\n", |
| u64val, (int)sizeof(u64val)); |
| return -EOVERFLOW; |
| } |
| if (do_div(div64val, 256) != (u64val & 255)) { |
| CERROR("do_div("LPX64",256) != "LPU64"\n", u64val, u64val &255); |
| return -EOVERFLOW; |
| } |
| if (u64val >> 8 != div64val) { |
| CERROR("do_div("LPX64",256) "LPU64" != "LPU64"\n", |
| u64val, div64val, u64val >> 8); |
| return -EOVERFLOW; |
| } |
| len = snprintf(buf, sizeof(buf), LPX64, u64val); |
| if (len != 18) { |
| CWARN("LPX64 wrong length! strlen(%s)=%d != 18\n", buf, len); |
| ret = -EINVAL; |
| } |
| len = snprintf(buf, sizeof(buf), LPU64, u64val); |
| if (len != 20) { |
| CWARN("LPU64 wrong length! strlen(%s)=%d != 20\n", buf, len); |
| ret = -EINVAL; |
| } |
| len = snprintf(buf, sizeof(buf), LPD64, u64val); |
| if (len != 2) { |
| CWARN("LPD64 wrong length! strlen(%s)=%d != 2\n", buf, len); |
| ret = -EINVAL; |
| } |
| if ((u64val & ~CFS_PAGE_MASK) >= PAGE_CACHE_SIZE) { |
| CWARN("mask failed: u64val "LPU64" >= "LPU64"\n", u64val, |
| (__u64)PAGE_CACHE_SIZE); |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| extern spinlock_t obd_types_lock; |
| extern int class_procfs_init(void); |
| extern int class_procfs_clean(void); |
| |
| static int __init init_obdclass(void) |
| { |
| int i, err; |
| int lustre_register_fs(void); |
| |
| for (i = CAPA_SITE_CLIENT; i < CAPA_SITE_MAX; i++) |
| INIT_LIST_HEAD(&capa_list[i]); |
| |
| LCONSOLE_INFO("Lustre: Build Version: "BUILD_VERSION"\n"); |
| |
| 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_IRQ_SAFE); |
| if (obd_memory == NULL) { |
| CERROR("kmalloc of 'obd_memory' failed\n"); |
| return -ENOMEM; |
| } |
| |
| lprocfs_counter_init(obd_memory, OBD_MEMORY_STAT, |
| LPROCFS_CNTR_AVGMINMAX, |
| "memused", "bytes"); |
| lprocfs_counter_init(obd_memory, OBD_MEMORY_PAGES_STAT, |
| LPROCFS_CNTR_AVGMINMAX, |
| "pagesused", "pages"); |
| #endif |
| err = obd_init_checks(); |
| if (err == -EOVERFLOW) |
| return err; |
| |
| class_init_uuidlist(); |
| err = class_handle_init(); |
| if (err) |
| return err; |
| |
| INIT_LIST_HEAD(&obd_types); |
| |
| err = misc_register(&obd_psdev); |
| if (err) { |
| CERROR("cannot register %d err %d\n", OBD_DEV_MINOR, err); |
| 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 |
| * for other purposes (mostly for BGL). */ |
| if (totalram_pages <= 512 << (20 - PAGE_CACHE_SHIFT)) |
| obd_max_dirty_pages = totalram_pages / 4; |
| else |
| obd_max_dirty_pages = totalram_pages / 2; |
| |
| err = obd_init_caches(); |
| if (err) |
| return err; |
| err = class_procfs_init(); |
| if (err) |
| return err; |
| |
| err = lu_global_init(); |
| if (err) |
| return err; |
| |
| err = cl_global_init(); |
| if (err != 0) |
| return err; |
| |
| |
| err = llog_info_init(); |
| if (err) |
| return err; |
| |
| err = lustre_register_fs(); |
| |
| return err; |
| } |
| |
| void obd_update_maxusage(void) |
| { |
| __u64 max1, max2; |
| |
| max1 = obd_pages_sum(); |
| max2 = obd_memory_sum(); |
| |
| spin_lock(&obd_updatemax_lock); |
| if (max1 > obd_max_pages) |
| obd_max_pages = max1; |
| if (max2 > obd_max_alloc) |
| obd_max_alloc = max2; |
| spin_unlock(&obd_updatemax_lock); |
| } |
| EXPORT_SYMBOL(obd_update_maxusage); |
| |
| #ifdef LPROCFS |
| __u64 obd_memory_max(void) |
| { |
| __u64 ret; |
| |
| spin_lock(&obd_updatemax_lock); |
| ret = obd_max_alloc; |
| spin_unlock(&obd_updatemax_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL(obd_memory_max); |
| |
| __u64 obd_pages_max(void) |
| { |
| __u64 ret; |
| |
| spin_lock(&obd_updatemax_lock); |
| ret = obd_max_pages; |
| spin_unlock(&obd_updatemax_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL(obd_pages_max); |
| #endif |
| |
| /* liblustre doesn't call cleanup_obdclass, apparently. we carry on in this |
| * ifdef to the end of the file to cover module and versioning goo.*/ |
| static void cleanup_obdclass(void) |
| { |
| int i; |
| int lustre_unregister_fs(void); |
| __u64 memory_leaked, pages_leaked; |
| __u64 memory_max, pages_max; |
| |
| lustre_unregister_fs(); |
| |
| misc_deregister(&obd_psdev); |
| 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); |
| } |
| } |
| llog_info_fini(); |
| cl_global_fini(); |
| lu_global_fini(); |
| |
| obd_cleanup_caches(); |
| obd_sysctl_clean(); |
| |
| class_procfs_clean(); |
| |
| class_handle_cleanup(); |
| class_exit_uuidlist(); |
| obd_zombie_impexp_stop(); |
| |
| memory_leaked = obd_memory_sum(); |
| pages_leaked = obd_pages_sum(); |
| |
| memory_max = obd_memory_max(); |
| pages_max = obd_pages_max(); |
| |
| lprocfs_free_stats(&obd_memory); |
| CDEBUG((memory_leaked) ? D_ERROR : D_INFO, |
| "obd_memory max: "LPU64", leaked: "LPU64"\n", |
| memory_max, memory_leaked); |
| CDEBUG((pages_leaked) ? D_ERROR : D_INFO, |
| "obd_memory_pages max: "LPU64", leaked: "LPU64"\n", |
| pages_max, pages_leaked); |
| } |
| |
| MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>"); |
| MODULE_DESCRIPTION("Lustre Class Driver Build Version: " BUILD_VERSION); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(LUSTRE_VERSION_STRING); |
| |
| module_init(init_obdclass); |
| module_exit(cleanup_obdclass); |