-/* -*- 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.
* 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 [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
* Author: Eric Barton <eeb@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
-#include <linux/module.h>
-#include <linux/kmod.h>
-#include <linux/kernel.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/stat.h>
-#include <linux/errno.h>
-#include <linux/smp_lock.h>
-#include <linux/unistd.h>
-#include <linux/interrupt.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
#define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
#if !KLWT_SUPPORT
int lwt_enabled;
-lwt_cpu_t lwt_cpus[NR_CPUS];
+lwt_cpu_t lwt_cpus[CFS_NR_CPUS];
#endif
int lwt_pages_per_cpu;
char *user_ptr, int user_size)
{
int maxsize = 128;
-
+
/* knl_ptr was retrieved from an LWT snapshot and the caller wants to
* turn it into a string. NB we can crash with an access violation
* trying to determine the string length, so we're trusting our
* caller... */
- if (!capable(CAP_SYS_ADMIN))
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
return (-EPERM);
if (user_size > 0 &&
maxsize = user_size;
*size = strnlen (knl_ptr, maxsize - 1) + 1;
-
+
if (user_ptr != NULL) {
if (user_size < 4)
return (-EINVAL);
-
- if (copy_to_user (user_ptr, knl_ptr, *size))
+
+ if (cfs_copy_to_user (user_ptr, knl_ptr, *size))
return (-EFAULT);
/* Did I truncate the string? */
if (knl_ptr[*size - 1] != 0)
- copy_to_user (user_ptr + *size - 4, "...", 4);
+ cfs_copy_to_user (user_ptr + *size - 4, "...", 4);
}
return (0);
int i;
int j;
- if (!capable(CAP_SYS_ADMIN))
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
return (-EPERM);
if (!enable) {
LWT_EVENT(0,0,0,0);
lwt_enabled = 0;
- mb();
+ cfs_mb();
/* give people some time to stop adding traces */
- schedule_timeout(10);
+ cfs_schedule_timeout(10);
}
- for (i = 0; i < num_online_cpus(); i++) {
+ for (i = 0; i < cfs_num_online_cpus(); i++) {
p = lwt_cpus[i].lwtc_current_page;
if (p == NULL)
for (j = 0; j < lwt_pages_per_cpu; j++) {
memset (p->lwtp_events, 0, CFS_PAGE_SIZE);
- p = list_entry (p->lwtp_list.next,
- lwt_page_t, lwtp_list);
+ p = cfs_list_entry (p->lwtp_list.next,
+ lwt_page_t, lwtp_list);
}
}
if (enable) {
lwt_enabled = 1;
- mb();
+ cfs_mb();
LWT_EVENT(0,0,0,0);
}
}
int
-lwt_snapshot (cycles_t *now, int *ncpu, int *total_size,
+lwt_snapshot (cfs_cycles_t *now, int *ncpu, int *total_size,
void *user_ptr, int user_size)
{
const int events_per_page = CFS_PAGE_SIZE / sizeof(lwt_event_t);
int i;
int j;
- if (!capable(CAP_SYS_ADMIN))
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
return (-EPERM);
- *ncpu = num_online_cpus();
- *total_size = num_online_cpus() * lwt_pages_per_cpu * bytes_per_page;
+ *ncpu = cfs_num_online_cpus();
+ *total_size = cfs_num_online_cpus() * lwt_pages_per_cpu *
+ bytes_per_page;
*now = get_cycles();
-
+
if (user_ptr == NULL)
return (0);
- for (i = 0; i < num_online_cpus(); i++) {
+ for (i = 0; i < cfs_num_online_cpus(); i++) {
p = lwt_cpus[i].lwtc_current_page;
if (p == NULL)
return (-ENODATA);
-
+
for (j = 0; j < lwt_pages_per_cpu; j++) {
- if (copy_to_user(user_ptr, p->lwtp_events,
- bytes_per_page))
+ if (cfs_copy_to_user(user_ptr, p->lwtp_events,
+ bytes_per_page))
return (-EFAULT);
user_ptr = ((char *)user_ptr) + bytes_per_page;
- p = list_entry(p->lwtp_list.next,
- lwt_page_t, lwtp_list);
-
+ p = cfs_list_entry(p->lwtp_list.next,
+ lwt_page_t, lwtp_list);
}
}
}
int
-lwt_init ()
+lwt_init ()
{
int i;
int j;
- for (i = 0; i < num_online_cpus(); i++)
+ for (i = 0; i < cfs_num_online_cpus(); i++)
if (lwt_cpus[i].lwtc_current_page != NULL)
return (-EALREADY);
-
+
LASSERT (!lwt_enabled);
/* NULL pointers, zero scalars */
memset (lwt_cpus, 0, sizeof (lwt_cpus));
- lwt_pages_per_cpu = LWT_MEMORY / (num_online_cpus() * CFS_PAGE_SIZE);
+ lwt_pages_per_cpu =
+ LWT_MEMORY / (cfs_num_online_cpus() * CFS_PAGE_SIZE);
- for (i = 0; i < num_online_cpus(); i++)
+ for (i = 0; i < cfs_num_online_cpus(); i++)
for (j = 0; j < lwt_pages_per_cpu; j++) {
struct page *page = alloc_page (GFP_KERNEL);
lwt_page_t *lwtp;
memset (lwtp->lwtp_events, 0, CFS_PAGE_SIZE);
if (j == 0) {
- INIT_LIST_HEAD (&lwtp->lwtp_list);
+ CFS_INIT_LIST_HEAD (&lwtp->lwtp_list);
lwt_cpus[i].lwtc_current_page = lwtp;
} else {
- list_add (&lwtp->lwtp_list,
+ cfs_list_add (&lwtp->lwtp_list,
&lwt_cpus[i].lwtc_current_page->lwtp_list);
}
}
lwt_enabled = 1;
- mb();
+ cfs_mb();
LWT_EVENT(0,0,0,0);
}
void
-lwt_fini ()
+lwt_fini ()
{
int i;
lwt_control(0, 0);
-
- for (i = 0; i < num_online_cpus(); i++)
+
+ for (i = 0; i < cfs_num_online_cpus(); i++)
while (lwt_cpus[i].lwtc_current_page != NULL) {
lwt_page_t *lwtp = lwt_cpus[i].lwtc_current_page;
-
- if (list_empty (&lwtp->lwtp_list)) {
+
+ if (cfs_list_empty (&lwtp->lwtp_list)) {
lwt_cpus[i].lwtc_current_page = NULL;
} else {
lwt_cpus[i].lwtc_current_page =
- list_entry (lwtp->lwtp_list.next,
- lwt_page_t, lwtp_list);
+ cfs_list_entry (lwtp->lwtp_list.next,
+ lwt_page_t, lwtp_list);
- list_del (&lwtp->lwtp_list);
+ cfs_list_del (&lwtp->lwtp_list);
}
__free_page (lwtp->lwtp_page);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff