/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Object Devices Class Driver
+ * GPL HEADER START
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * 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
*
- * In either case, Lustre 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
- * license text for more details.
+ * 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.
*
- * These are the only exported functions, they provide some generic
- * infrastructure for managing object devices
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_CLASS
struct obd_device *obd_devs[MAX_OBD_DEVICES];
struct list_head obd_types;
spinlock_t obd_dev_lock = SPIN_LOCK_UNLOCKED;
+cfs_mem_cache_t *obd_lvfs_ctxt_cache;
/* The following are visible and mutable through /proc/sys/lustre/. */
unsigned int obd_debug_peer_on_timeout;
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)
else if (obd->obd_attached)
status = "AT";
else
- status = "--";
+ 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 (data->ioc_dev >= class_devno_max()) {
+ 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);
}
- obd = class_num2obd(data->ioc_dev);
if (obd == NULL) {
- CERROR("OBD ioctl : No Device %d\n", data->ioc_dev);
+ if (data->ioc_dev == OBD_DEV_BY_DEVNAME)
+ CERROR("OBD ioctl: No Device %s\n", data->ioc_inlbuf4);
+ else
+ CERROR("OBD ioctl: No Device %d\n", data->ioc_dev);
GOTO(out, err = -EINVAL);
}
LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
}
CDEBUG(D_HA, "%s: disabling committed-transno notification\n",
obd->obd_name);
+ spin_lock_bh(&obd->obd_processing_task_lock);
obd->obd_no_transno = 1;
+ spin_unlock_bh(&obd->obd_processing_task_lock);
GOTO(out, err = 0);
}
#endif
EXPORT_SYMBOL(obd_devs);
+EXPORT_SYMBOL(obd_lvfs_ctxt_cache);
EXPORT_SYMBOL(obd_print_fail_loc);
EXPORT_SYMBOL(obd_race_waitq);
EXPORT_SYMBOL(obd_race_state);
ret = -EINVAL;
}
if ((u64val & ~CFS_PAGE_MASK) >= CFS_PAGE_SIZE) {
- CWARN("mask failed: u64val "LPU64" >= %lu\n", u64val,
+ CWARN("mask failed: u64val "LPU64" >= %lu\n", u64val,
(unsigned long)CFS_PAGE_SIZE);
ret = -EINVAL;
}
int i, err;
#ifdef __KERNEL__
int lustre_register_fs(void);
-
- printk(KERN_INFO "Lustre: OBD class driver, info@clusterfs.com\n");
- printk(KERN_INFO " Lustre Version: "LUSTRE_VERSION_STRING"\n");
- printk(KERN_INFO " Build Version: "BUILD_VERSION"\n");
-#else
- CDEBUG(D_INFO, "Lustre: OBD class driver, info@clusterfs.com\n");
- CDEBUG(D_INFO, " Lustre Version: "LUSTRE_VERSION_STRING"\n");
- CDEBUG(D_INFO, " Build Version: "BUILD_VERSION"\n");
#endif
+ 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");
+
spin_lock_init(&obd_types_lock);
cfs_waitq_init(&obd_race_waitq);
obd_zombie_impexp_init();
#ifdef LPROCFS
- obd_memory = lprocfs_alloc_stats(OBD_STATS_NUM,
+ obd_memory = lprocfs_alloc_stats(OBD_STATS_NUM,
LPROCFS_STATS_FLAG_PERCPU);
if (obd_memory == NULL) {
CERROR("kmalloc of 'obd_memory' failed\n");
}
lprocfs_counter_init(obd_memory, OBD_MEMORY_STAT,
- LPROCFS_CNTR_AVGMINMAX,
+ LPROCFS_CNTR_AVGMINMAX,
"memused", "bytes");
lprocfs_counter_init(obd_memory, OBD_MEMORY_PAGES_STAT,
- LPROCFS_CNTR_AVGMINMAX,
+ LPROCFS_CNTR_AVGMINMAX,
"pagesused", "pages");
#endif
+ obd_lvfs_ctxt_cache = cfs_mem_cache_create("obd_lvfs_ctxt_cache",
+ sizeof(struct lvfs_run_ctxt), 0, 0);
+ if (obd_lvfs_ctxt_cache == NULL)
+ RETURN(-ENOMEM);
+
err = obd_init_checks();
if (err == -EOVERFLOW)
return err;
for (i = 0; i < class_devno_max(); i++)
obd_devs[i] = NULL;
- /* Default the dirty page cache cap to 1/2 of system memory */
- obd_max_dirty_pages = num_physpages / 2;
+ /* 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 (num_physpages <= 512 << (20 - CFS_PAGE_SHIFT))
+ obd_max_dirty_pages = num_physpages / 4;
+ else
+ obd_max_dirty_pages = num_physpages / 2;
err = obd_init_caches();
if (err)
memory_max = obd_memory_max();
pages_max = obd_pages_max();
+ cfs_mem_cache_destroy(obd_lvfs_ctxt_cache);
+
lprocfs_free_stats(&obd_memory);
- CDEBUG((memory_leaked | pages_leaked) ? D_ERROR : D_INFO,
- "obd_memory max: "LPU64", leaked: "LPU64" "
+ 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",
- memory_max, memory_leaked,
pages_max, pages_leaked);
EXIT;
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Class Driver Build Version: " BUILD_VERSION);
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff