/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
- * Author: Peter J. Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Robert Read <rread@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free 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.
+ * 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.
*
- * 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
- * GNU General Public License for more details.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 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.
+ *
+ * lustre/utils/obd.c
+ *
+ * Author: Peter J. Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Robert Read <rread@clusterfs.com>
*/
-
#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdarg.h>
#include <signal.h>
+#include <ctype.h>
+#include <glob.h>
#include "obdctl.h"
#include <obd.h> /* for struct lov_stripe_md */
-#include <linux/lustre_build_version.h>
+#include <lustre/lustre_build_version.h>
#include <unistd.h>
#include <sys/un.h>
#include <errno.h>
#include <string.h>
-#ifdef HAVE_ASM_PAGE_H
-#include <asm/page.h> /* needed for PAGE_SIZE - rread */
-#endif
-
#include <obd_class.h>
#include <lnet/lnetctl.h>
-#include "parser.h"
-#include "platform.h"
+#include <libcfs/libcfsutil.h>
#include <stdio.h>
+#include <lustre/liblustreapi.h>
#define MAX_STRING_SIZE 128
#define DEVICES_LIST "/proc/fs/lustre/devices"
const int nthreads = 1;
#endif
-static char rawbuf[8192];
-static char *buf = rawbuf;
-static int max = sizeof(rawbuf);
+#define MAX_IOC_BUFLEN 8192
static int cur_device = -1;
-union lsm_buffer {
- char space [4096];
+#define MAX_STRIPES 170
+struct lov_oinfo lov_oinfos[MAX_STRIPES];
+
+struct lsm_buffer {
struct lov_stripe_md lsm;
+ struct lov_oinfo *ptrs[MAX_STRIPES];
} lsm_buffer;
static int l2_ioctl(int dev_id, int opc, void *buf)
return l_ioctl(dev_id, opc, buf);
}
-#define IOC_INIT(data) \
-do { \
- memset(&data, 0, sizeof(data)); \
- data.ioc_dev = cur_device; \
-} while (0)
-
-#define IOC_PACK(func, data) \
-do { \
- memset(buf, 0, sizeof(rawbuf)); \
- if (obd_ioctl_pack(&data, &buf, max)) { \
- fprintf(stderr, "error: %s: invalid ioctl\n", \
- jt_cmdname(func)); \
- return -2; \
- } \
-} while (0)
-
-#define IOC_UNPACK(func, data) \
-do { \
- if (obd_ioctl_unpack(&data, buf, max)) { \
- fprintf(stderr, "error: %s: invalid reply\n", \
- jt_cmdname(func)); \
- return -2; \
- } \
-} while (0)
-
int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_type = LUSTRE_CFG_TYPE;
data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
lcfg->lcfg_buflens);
data.ioc_pbuf1 = (void *)lcfg;
- IOC_PACK(func, data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(func));
+ return rc;
+ }
rc = l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
static int do_device(char *func, char *devname);
-int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
+static int get_mgs_device()
{
- struct obd_ioctl_data data;
- static int mgs_device = -1;
char mgs[] = "$MGS";
- int rc;
+ static int mgs_device = -1;
- /* Always operates on MGS dev */
if (mgs_device == -1) {
+ int rc;
do_disconnect(NULL, 1);
rc = do_device("mgsioc", mgs);
if (rc) {
+ fprintf(stderr,
+ "This command must be run on the MGS.\n");
errno = ENODEV;
return -1;
}
mgs_device = cur_device;
}
+ return mgs_device;
+}
- IOC_INIT(data);
- data.ioc_dev = mgs_device;
+/* Returns -1 on error with errno set */
+int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
+{
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ int rc;
+
+ memset(&data, 0x00, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ goto out;
data.ioc_type = LUSTRE_CFG_TYPE;
data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
lcfg->lcfg_buflens);
data.ioc_pbuf1 = (void *)lcfg;
- IOC_PACK(func, data);
-
- rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
-
- if (rc == ENODEV)
- fprintf(stderr, "Is the MGS running on this node?\n");
- if (rc == ENOSYS)
- fprintf(stderr, "Make sure cfg_device is set first.\n");
- if (rc == EINVAL)
- fprintf(stderr, "cfg_device should be of the form "
- "'lustre-MDT0000'\n");
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(func));
+ return rc;
+ }
+ rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
+out:
+ if (rc) {
+ if (errno == ENOSYS)
+ fprintf(stderr, "Make sure cfg_device is set first.\n");
+ }
return rc;
}
static int do_name2dev(char *func, char *name)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
-
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(name) + 1;
data.ioc_inlbuf1 = name;
- IOC_PACK(func, data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(func));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
if (rc < 0)
return errno;
- IOC_UNPACK(func, data);
+ rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid reply\n",
+ jt_cmdname(func));
+ return rc;
+ }
return data.ioc_dev + N2D_OFF;
}
if (isdigit(name[0])) {
ret = strtoul(name, NULL, 0);
} else {
- if (name[0] == '$' || name[0] == '%')
+ if (name[0] == '$' || name[0] == '%')
name++;
rc = do_name2dev(func, name);
if (rc >= N2D_OFF) {
// printf("Name %s is device %d\n", name, ret);
} else {
fprintf(stderr, "No device found for name %s: %s\n",
- name, strerror(rc));
+ name, strerror(rc));
}
}
return ret;
}
static void
-reset_lsmb (union lsm_buffer *lsmb)
+reset_lsmb (struct lsm_buffer *lsmb)
{
- memset (lsmb->space, 0, sizeof (lsmb->space));
+ memset (&lsmb->lsm, 0, sizeof (lsmb->lsm));
+ memset(lov_oinfos, 0, sizeof(lov_oinfos));
lsmb->lsm.lsm_magic = LOV_MAGIC;
}
static int
-parse_lsm (union lsm_buffer *lsmb, char *string)
+parse_lsm (struct lsm_buffer *lsmb, char *string)
{
struct lov_stripe_md *lsm = &lsmb->lsm;
char *end;
if (*string != '@')
return (-1);
string++;
- lsm->lsm_oinfo[i].loi_ost_idx = strtoul(string, &end, 0);
+ lsm->lsm_oinfo[i]->loi_ost_idx = strtoul(string, &end, 0);
if (*end != ':')
return (-1);
string = end + 1;
- lsm->lsm_oinfo[i].loi_id = strtoull(string, &end, 0);
+ lsm->lsm_oinfo[i]->loi_id = strtoull(string, &end, 0);
string = end;
}
}
static inline void shmem_lock(void)
-{
+{
l_mutex_lock(&shared_data->mutex);
}
static inline void shmem_unlock(void)
-{
+{
l_mutex_unlock(&shared_data->mutex);
}
secs = (this_time.tv_sec + this_time.tv_usec / 1000000.0) -
(prev_time.tv_sec + prev_time.tv_usec / 1000000.0);
- if (prev_valid &&
+ if (prev_valid &&
live_threads == total_threads &&
secs > 0.0) /* someone screwed with the time? */
printf("%d/%d Total: %f/second\n", non_zero, total_threads, total / secs);
memcpy(counter_snapshot[1], counter_snapshot[0],
total_threads * sizeof(counter_snapshot[0][0]));
prev_time = this_time;
- if (!prev_valid &&
+ if (!prev_valid &&
running == total_threads)
prev_valid = 1;
}
-static void shmem_stop(void)
+static void shmem_stop(void)
{
if (shared_data == NULL)
return;
-
+
shared_data->stop = 1;
}
int dev;
dev = parse_devname(func, devname);
- if (dev < 0)
+ if (dev < 0)
return -1;
lcfg_set_devname(devname);
if (argc > 2)
return CMD_HELP;
-
+
if (argc == 1) {
printf("current device is %d - %s\n",
cur_device, lcfg_get_devname() ? : "not set");
}
rc = do_device("device", argv[1]);
return rc;
-}
+}
int jt_opt_device(int argc, char **argv)
{
for (i = 5; i < argc; i++)
snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
" %s", argv[i]);
-
+
printf("%s: starting %ld threads on device %s running %s\n",
argv[0], threads, argv[3], cmdstr);
}
-
+
shmem_reset(threads);
sigemptyset(&sigset);
sigprocmask(SIG_BLOCK, &sigset, &saveset);
nthreads = threads;
-
+
for (i = 1, next_thread = verbose; i <= threads; i++) {
rc = fork();
if (rc < 0) {
sigemptyset(&sigact.sa_mask);
sigact.sa_handler = parent_sighandler;
sigact.sa_flags = 0;
-
+
sigaction(SIGALRM, &sigact, &saveact1);
sigaction(SIGCHLD, &sigact, &saveact2);
ret = waitpid(0, &status, WNOHANG);
if (ret == 0)
break;
-
+
if (ret < 0) {
fprintf(stderr, "error: %s: wait - %s\n",
argv[0], strerror(errno));
int jt_obd_no_transno(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 1)
return CMD_HELP;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
int jt_obd_set_readonly(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 1)
return CMD_HELP;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
int jt_obd_abort_recovery(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 1)
return CMD_HELP;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
int jt_get_version(int argc, char **argv)
{
int rc;
- char buf[8192];
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
if (argc != 1)
return CMD_HELP;
- memset(buf, 0, sizeof(buf));
+ memset(buf, 0, sizeof(rawbuf));
data->ioc_version = OBD_IOCTL_VERSION;
- data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
- data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
+ data->ioc_inllen1 = sizeof(rawbuf) - cfs_size_round(sizeof(*data));
+ data->ioc_inlbuf1 = buf + cfs_size_round(sizeof(*data));
data->ioc_len = obd_ioctl_packlen(data);
rc = l2_ioctl(OBD_DEV_ID, OBD_GET_VERSION, buf);
return rc;
}
+/*
+ * Print an obd device line with the ost_conn_uuid inserted, if the obd
+ * is an osc.
+ */
+static void print_obd_line(char *s)
+{
+ char buf[MAX_STRING_SIZE];
+ char obd_name[MAX_OBD_NAME];
+ FILE *fp = NULL;
+ char *ptr;
+
+ if (sscanf(s, " %*d %*s osc %s %*s %*d ", obd_name) == 0)
+ goto try_mdc;
+ snprintf(buf, sizeof(buf),
+ "/proc/fs/lustre/osc/%s/ost_conn_uuid", obd_name);
+ if ((fp = fopen(buf, "r")) == NULL)
+ goto try_mdc;
+ goto got_one;
+
+try_mdc:
+ if (sscanf(s, " %*d %*s mdc %s %*s %*d ", obd_name) == 0)
+ goto fail;
+ snprintf(buf, sizeof(buf),
+ "/proc/fs/lustre/mdc/%s/mds_conn_uuid", obd_name);
+ if ((fp = fopen(buf, "r")) == NULL)
+ goto fail;
+
+got_one:
+ /* should not ignore fgets(3)'s return value */
+ if (!fgets(buf, sizeof(buf), fp)) {
+ fprintf(stderr, "reading from %s: %s", buf, strerror(errno));
+ fclose(fp);
+ return;
+ }
+ fclose(fp);
+
+ /* trim trailing newlines */
+ ptr = strrchr(buf, '\n');
+ if (ptr) *ptr = '\0';
+ ptr = strrchr(s, '\n');
+ if (ptr) *ptr = '\0';
+
+ printf("%s %s\n", s, buf);
+ return;
+
+fail:
+ printf("%s", s);
+ return;
+}
+
/* get device list by ioctl */
int jt_obd_list_ioctl(int argc, char **argv)
{
int rc, index;
- char buf[8192];
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
- if (argc != 1)
+ if (argc > 2)
+ return CMD_HELP;
+ /* Just ignore a -t option. Only supported with /proc. */
+ else if (argc == 2 && strcmp(argv[1], "-t") != 0)
return CMD_HELP;
for (index = 0;; index++) {
- memset(buf, 0, sizeof(buf));
+ memset(buf, 0, sizeof(rawbuf));
data->ioc_version = OBD_IOCTL_VERSION;
- data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
- data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
+ data->ioc_inllen1 =
+ sizeof(rawbuf) - cfs_size_round(sizeof(*data));
+ data->ioc_inlbuf1 = buf + cfs_size_round(sizeof(*data));
data->ioc_len = obd_ioctl_packlen(data);
data->ioc_count = index;
printf("%s\n", (char *)data->ioc_bulk);
}
if (rc != 0) {
- if (errno == ENOENT)
+ if (errno == ENOENT)
/* no device or the last device */
rc = 0;
- else
+ else
fprintf(stderr, "Error getting device list: %s: "
- "check dmesg.\n",
- strerror(errno));
+ "check dmesg.\n", strerror(errno));
}
return rc;
}
int rc;
char buf[MAX_STRING_SIZE];
FILE *fp = NULL;
+ int print_obd = 0;
- if (argc != 1)
+ if (argc > 2)
return CMD_HELP;
+ else if (argc == 2) {
+ if (strcmp(argv[1], "-t") == 0)
+ print_obd = 1;
+ else
+ return CMD_HELP;
+ }
fp = fopen(DEVICES_LIST, "r");
if (fp == NULL) {
}
while (fgets(buf, sizeof(buf), fp) != NULL)
- printf("%s", buf);
+ if (print_obd)
+ print_obd_line(buf);
+ else
+ printf("%s", buf);
fclose(fp);
return 0;
}
-
-
-
/* Create one or more objects, arg[4] may describe stripe meta-data. If
* not, defaults assumed. This echo-client instance stashes the stripe
* object ids. Use get_stripe on this node to print full lsm and
* set_stripe on another node to cut/paste between nodes.
*/
-/* create <count> [<file_create_mode>] [q|v|# verbosity] [striping] */
+/* create <count> [<file_create_mode>] [q|v|# verbosity] [striping] */
int jt_obd_create(int argc, char **argv)
{
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
struct obd_ioctl_data data;
struct timeval next_time;
__u64 count = 1, next_count, base_id = 0;
int verbose = 1, mode = 0100644, rc = 0, i, valid_lsm = 0;
char *end;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc < 2 || argc > 5)
return CMD_HELP;
data.ioc_pbuf1 = (char *)&lsm_buffer;
}
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
- IOC_UNPACK(argv[0], data);
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
shmem_bump();
if (rc < 0) {
fprintf(stderr, "error: %s: #%d - %s\n",
int jt_obd_setattr(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
char *end;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 2)
return CMD_HELP;
}
data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
struct obd_ioctl_data data;
struct timeval start, next_time;
__u64 i, count, next_count;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int verbose = 1;
obd_id objid = 3;
char *end;
if (argc < 2 || argc > 4)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
count = strtoull(argv[1], &end, 0);
if (*end) {
fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
data.ioc_obdo1.o_id = objid;
data.ioc_obdo1.o_mode = S_IFREG;
data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
- IOC_PACK(argv[0], data);
+ memset(buf, 0x00, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
shmem_bump();
if (rc < 0) {
{
struct obd_ioctl_data data;
struct timeval next_time;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
__u64 count = 1, next_count;
int verbose = 1;
__u64 id;
char *end;
int rc = 0, i;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc < 2 || argc > 4)
return CMD_HELP;
id = strtoull(argv[1], &end, 0);
- if (*end) {
+ if (*end || id == 0 || errno != 0) {
fprintf(stderr, "error: %s: invalid objid '%s'\n",
jt_cmdname(argv[0]), argv[1]);
return CMD_HELP;
data.ioc_obdo1.o_mode = S_IFREG | 0644;
data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
- IOC_UNPACK(argv[0], data);
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
shmem_bump();
if (rc < 0) {
fprintf(stderr, "error: %s: objid "LPX64": %s\n",
int jt_obd_getattr(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
char *end;
int rc;
if (argc != 2)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_obdo1.o_id = strtoull(argv[1], &end, 0);
if (*end) {
fprintf(stderr, "error: %s: invalid objid '%s'\n",
data.ioc_obdo1.o_valid = 0xffffffff;
printf("%s: object id "LPX64"\n", jt_cmdname(argv[0]),data.ioc_obdo1.o_id);
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
- IOC_UNPACK(argv[0], data);
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
if (rc) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
{
struct obd_ioctl_data data;
struct timeval start, next_time;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
__u64 i, count, next_count;
int verbose = 1;
obd_id objid = 3;
if (argc < 2 || argc > 4)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
count = strtoull(argv[1], &end, 0);
if (*end) {
fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
data.ioc_obdo1.o_id = objid;
data.ioc_obdo1.o_mode = S_IFREG;
data.ioc_obdo1.o_valid = 0xffffffff;
- IOC_PACK(argv[0], data);
+ memset(buf, 0x00, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
shmem_bump();
if (rc < 0) {
<r|w[r(repeat)x(noverify)]> mode
<q|v|#(print interval)> verbosity
<npages[+offset]> blocksize
- <[[<interleave_threads>]t(inc obj by thread#)]obj> object
+ <[[<interleave_threads>]t(inc obj by thread#)]obj> object
[p|g<args>] batch */
int jt_obd_test_brw(int argc, char **argv)
{
struct obd_ioctl_data data;
struct timeval start, next_time;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
__u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
int offset_pages = 0;
}
}
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
/* communicate the 'type' of brw test and batching to echo_client.
* don't start. we'd love to refactor this lctl->echo_client
l_cond_broadcast(&shared_data->cond);
else
l_cond_wait(&shared_data->cond,
- &shared_data->mutex);
+ &shared_data->mutex);
shmem_unlock ();
}
cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
- IOC_PACK(argv[0], data);
+ memset(buf, 0x00, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
shmem_bump();
if (rc) {
(int)(pages * getpagesize()));
shmem_unlock ();
}
-
+
if (!repeat_offset) {
#ifdef MAX_THREADS
if (stride == len) {
struct obd_ioctl_data data;
struct lov_desc desc;
struct obd_uuid *uuidarray;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
__u32 *obdgens;
char *path;
int rc, fd;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 2)
return CMD_HELP;
desc.ld_tgt_count = ((OBD_MAX_IOCTL_BUFFER-sizeof(data)-sizeof(desc)) /
(sizeof(*uuidarray) + sizeof(*obdgens)));
-
repeat:
uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
if (!uuidarray) {
goto out_uuidarray;
}
+ memset(buf, 0x00, sizeof(rawbuf));
data.ioc_inllen1 = sizeof(desc);
data.ioc_inlbuf1 = (char *)&desc;
data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
data.ioc_inlbuf3 = (char *)obdgens;
- if (obd_ioctl_pack(&data, &buf, max)) {
+ if (obd_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
fprintf(stderr, "error: %s: invalid ioctl\n",
jt_cmdname(argv[0]));
rc = -EINVAL;
__u32 *genp;
int i;
- if (obd_ioctl_unpack(&data, buf, max)) {
+ if (obd_ioctl_unpack(&data, buf, sizeof(rawbuf))) {
fprintf(stderr, "error: %s: invalid reply\n",
jt_cmdname(argv[0]));
rc = -EINVAL;
goto out;
}
- printf("default_stripe_count: %u\n",
- desc.ld_default_stripe_count);
+ if (desc.ld_default_stripe_count == (__u32)-1)
+ printf("default_stripe_count: %d\n", -1);
+ else
+ printf("default_stripe_count: %u\n",
+ desc.ld_default_stripe_count);
printf("default_stripe_size: "LPU64"\n",
desc.ld_default_stripe_size);
printf("default_stripe_offset: "LPU64"\n",
{
int rc;
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
char argstring[200];
int i, count = sizeof(argstring) - 1;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc > 5)
return CMD_HELP;
data.ioc_inllen1 = strlen(argstring) + 1;
}
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_START, buf);
if (rc)
fprintf(stderr, "error: %s: test failed: %s\n",
int jt_obd_ldlm_regress_stop(int argc, char **argv)
{
int rc;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
struct obd_ioctl_data data;
- IOC_INIT(data);
+
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 1)
return CMD_HELP;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_STOP, buf);
if (rc)
static int do_activate(int argc, char **argv, int flag)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc != 1)
return CMD_HELP;
/* reuse offset for 'active' */
data.ioc_offset = flag;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
if (rc)
fprintf(stderr, "error: %s: failed: %s\n",
int jt_obd_recover(int argc, char **argv)
{
int rc;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
struct obd_ioctl_data data;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
if (argc > 2)
return CMD_HELP;
data.ioc_inlbuf1 = argv[1];
}
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
int jt_obd_mdc_lookup(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
char *parent, *child;
int rc, fd, verbose = 1;
if (argc == 4)
verbose = get_verbose(argv[0], argv[3]);
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(child) + 1;
data.ioc_inlbuf1 = child;
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
fd = open(parent, O_RDONLY);
if (fd < 0) {
close(fd);
if (verbose) {
- IOC_UNPACK(argv[0], data);
+ rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid reply\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
printf("%s: mode %o uid %d gid %d\n", child,
data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
data.ioc_obdo1.o_gid);
int jt_cfg_dump_log(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
- IOC_INIT(data);
-
if (argc != 2)
return CMD_HELP;
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_DUMP_LOG, buf);
if (rc < 0)
fprintf(stderr, "OBD_IOC_DUMP_LOG failed: %s\n",
int jt_llog_catlist(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 1)
return CMD_HELP;
- IOC_INIT(data);
- data.ioc_inllen1 = max - size_round(sizeof(data));
- IOC_PACK(argv[0], data);
-
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
+ data.ioc_inllen1 = sizeof(rawbuf) - cfs_size_round(sizeof(data));
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
if (rc == 0)
fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
int jt_llog_info(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 2)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
- data.ioc_inllen2 = max - size_round(sizeof(data)) -
- size_round(data.ioc_inllen1);
- IOC_PACK(argv[0], data);
+ data.ioc_inllen2 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
+ cfs_size_round(data.ioc_inllen1);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
if (rc == 0)
int jt_llog_print(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 2 && argc != 4)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
if (argc == 4) {
data.ioc_inllen3 = strlen(to) + 1;
data.ioc_inlbuf3 = to;
}
- data.ioc_inllen4 = max - size_round(sizeof(data)) -
- size_round(data.ioc_inllen1) -
- size_round(data.ioc_inllen2) -
- size_round(data.ioc_inllen3);
- IOC_PACK(argv[0], data);
+ data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
+ cfs_size_round(data.ioc_inllen1) -
+ cfs_size_round(data.ioc_inllen2) -
+ cfs_size_round(data.ioc_inllen3);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
if (rc == 0)
int jt_llog_cancel(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 4)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
data.ioc_inllen2 = strlen(argv[2]) + 1;
data.ioc_inlbuf2 = argv[2];
data.ioc_inllen3 = strlen(argv[3]) + 1;
data.ioc_inlbuf3 = argv[3];
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
if (rc == 0)
int jt_llog_check(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 2 && argc != 4)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
if (argc == 4) {
data.ioc_inllen3 = strlen(to) + 1;
data.ioc_inlbuf3 = to;
}
- data.ioc_inllen4 = max - size_round(sizeof(data)) -
- size_round(data.ioc_inllen1) -
- size_round(data.ioc_inllen2) -
- size_round(data.ioc_inllen3);
- IOC_PACK(argv[0], data);
+ data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
+ cfs_size_round(data.ioc_inllen1) -
+ cfs_size_round(data.ioc_inllen2) -
+ cfs_size_round(data.ioc_inllen3);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
if (rc == 0)
int jt_llog_remove(int argc, char **argv)
{
struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
int rc;
if (argc != 3 && argc != 2)
return CMD_HELP;
- IOC_INIT(data);
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
data.ioc_inllen1 = strlen(argv[1]) + 1;
data.ioc_inlbuf1 = argv[1];
if (argc == 3){
data.ioc_inllen2 = strlen(argv[2]) + 1;
data.ioc_inlbuf2 = argv[2];
}
- IOC_PACK(argv[0], data);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
if (rc == 0) {
return rc;
}
+/* attach a regular file to virtual block device.
+ * return vaule:
+ * -1: fatal error
+ * 1: error, it always means the command run failed
+ * 0: success
+ */
+static int jt_blockdev_run_process(const char *file, char *argv[])
+{
+ pid_t pid;
+ int rc;
+
+ pid = vfork();
+ if (pid == 0) { /* child process */
+ /* don't print error messages */
+ close(1), close(2);
+ (void)execvp(file, argv);
+ exit(-1);
+ } else if (pid > 0) {
+ int status;
+
+ rc = waitpid(pid, &status, 0);
+ if (rc < 0 || !WIFEXITED(status))
+ return -1;
+
+ return WEXITSTATUS(status);
+ }
+
+ return -1;
+}
+
+static int jt_blockdev_find_module(const char *module)
+{
+ FILE *fp;
+ int found = 0;
+ char buf[1024];
+
+ fp = fopen("/proc/modules", "r");
+ if (fp == NULL)
+ return -1;
+
+ while (fgets(buf, 1024, fp) != NULL) {
+ *strchr(buf, ' ') = 0;
+ if (strcmp(module, buf) == 0) {
+ found = 1;
+ break;
+ }
+ }
+ fclose(fp);
+
+ return found;
+}
+
+static int jt_blockdev_probe_module(const char *module)
+{
+ char buf[1024];
+ char *argv[10];
+ int c, rc;
+
+ if (jt_blockdev_find_module(module) == 1)
+ return 0;
+
+ /* run modprobe first */
+ c = 0;
+ argv[c++] = "/sbin/modprobe";
+ argv[c++] = "-q";
+ argv[c++] = (char *)module;
+ argv[c++] = NULL;
+ rc = jt_blockdev_run_process("modprobe", argv);
+ if (rc != 1)
+ return rc;
+
+ /* cannot find the module in default directory ... */
+ sprintf(buf, "../llite/%s.ko", module);
+ c = 0;
+ argv[c++] = "/sbin/insmod";
+ argv[c++] = buf;
+ argv[c++] = NULL;
+ rc = jt_blockdev_run_process("insmod", argv);
+ return rc ? -1 : 0;
+}
+
+int jt_blockdev_attach(int argc, char **argv)
+{
+ int rc, fd;
+ struct stat st;
+ char *filename, *devname;
+ unsigned long dev;
+
+ if (argc != 3)
+ return CMD_HELP;
+
+ if (jt_blockdev_probe_module("llite_lloop") < 0) {
+ fprintf(stderr, "error: cannot find module llite_lloop.(k)o\n");
+ return ENOENT;
+ }
+
+ filename = argv[1];
+ devname = argv[2];
+
+ fd = open(filename, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "file %s can't be opened(%s)\n\n",
+ filename, strerror(errno));
+ return CMD_HELP;
+ }
+
+ rc = ioctl(fd, LL_IOC_LLOOP_ATTACH, &dev);
+ if (rc < 0) {
+ rc = errno;
+ fprintf(stderr, "attach error(%s)\n", strerror(rc));
+ goto out;
+ }
+
+ rc = stat(devname, &st);
+ if (rc == 0 && (!S_ISBLK(st.st_mode) || st.st_rdev != dev)) {
+ rc = EEXIST;
+ } else if (rc < 0) {
+ if (errno == ENOENT &&
+ !mknod(devname, S_IFBLK|S_IRUSR|S_IWUSR, dev))
+ rc = 0;
+ else
+ rc = errno;
+ }
+
+ if (rc) {
+ fprintf(stderr, "error: the file %s could be attached to block "
+ "device %X but creating %s failed: %s\n"
+ "now detaching the block device..",
+ filename, (int)dev, devname, strerror(rc));
+
+ (void)ioctl(fd, LL_IOC_LLOOP_DETACH_BYDEV, dev);
+ fprintf(stderr, "%s\n", strerror(errno));
+ }
+out:
+ close(fd);
+ return -rc;
+}
+
+int jt_blockdev_detach(int argc, char **argv)
+{
+ char *filename;
+ int rc, fd;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ filename = argv[1];
+ fd = open(filename, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "cannot open file %s error %s\n",
+ filename, strerror(errno));
+ return CMD_HELP;
+ }
+
+ rc = ioctl(fd, LL_IOC_LLOOP_DETACH, 0);
+ if (rc < 0) {
+ rc = errno;
+ fprintf(stderr, "detach error(%s)\n", strerror(rc));
+ } else {
+ (void)unlink(filename);
+ }
+
+ close(fd);
+ return -rc;
+}
+
+int jt_blockdev_info(int argc, char **argv)
+{
+ char *filename;
+ int rc, fd;
+ __u64 ino;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ filename = argv[1];
+ fd = open(filename, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "cannot open file %s error: %s\n",
+ filename, strerror(errno));
+ return CMD_HELP;
+ }
+
+ rc = ioctl(fd, LL_IOC_LLOOP_INFO, &ino);
+ if (rc < 0) {
+ rc = errno;
+ fprintf(stderr, "error: %s\n", strerror(errno));
+ goto out;
+ }
+ fprintf(stdout, "lloop device info: ");
+ if (ino == 0ULL)
+ fprintf(stdout, "Not attached\n");
+ else
+ fprintf(stdout, "attached to inode "LPU64"\n", ino);
+out:
+ close(fd);
+ return -rc;
+}
+
static void signal_server(int sig)
{
if (sig == SIGINT) {
int obd_initialize(int argc, char **argv)
{
+ int i;
+
+ for (i = 0; i < MAX_STRIPES; i++)
+ lsm_buffer.lsm.lsm_oinfo[i] = lov_oinfos + i;
+
shmem_setup();
register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH,
OBD_DEV_MAJOR, OBD_DEV_MINOR);
sigact.sa_flags = SA_RESTART;
sigaction(SIGINT, &sigact, NULL);
+ shmem_stop();
do_disconnect(argv[0], 1);
}
+
+static int check_pool_cmd(enum lcfg_command_type cmd,
+ char *fsname, char *poolname,
+ char *ostname)
+{
+ int rc;
+
+ rc = llapi_search_ost(fsname, poolname, ostname);
+ if (rc < 0 && (cmd != LCFG_POOL_NEW)) {
+ fprintf(stderr, "Pool %s.%s not found\n",
+ fsname, poolname);
+ return rc;
+ }
+
+ switch (cmd) {
+ case LCFG_POOL_NEW: {
+ LASSERT(ostname == NULL);
+ if (rc >= 0) {
+ fprintf(stderr, "Pool %s.%s already exists\n",
+ fsname, poolname);
+ return -EEXIST;
+ }
+ return 0;
+ }
+ case LCFG_POOL_DEL: {
+ LASSERT(ostname == NULL);
+ if (rc == 1) {
+ fprintf(stderr, "Pool %s.%s not empty, "
+ "please remove all members\n",
+ fsname, poolname);
+ return -ENOTEMPTY;
+ }
+ return 0;
+ }
+ case LCFG_POOL_ADD: {
+ if (rc == 1) {
+ fprintf(stderr, "OST %s is already in pool %s.%s\n",
+ ostname, fsname, poolname);
+ return -EEXIST;
+ }
+ rc = llapi_search_ost(fsname, NULL, ostname);
+ if (rc == 0) {
+ fprintf(stderr, "OST %s is not part of the '%s' fs.\n",
+ ostname, fsname);
+ return -ENOENT;
+ }
+ return 0;
+ }
+ case LCFG_POOL_REM: {
+ if (rc == 0) {
+ fprintf(stderr, "OST %s not found in pool %s.%s\n",
+ ostname, fsname, poolname);
+ return -ENOENT;
+ }
+ return 0;
+ }
+ default:
+ break;
+ } /* switch */
+ return -EINVAL;
+}
+
+/* This check only verifies that the changes have been "pushed out" to
+ the client successfully. This involves waiting for a config update,
+ and so may fail because of problems in that code or post-command
+ network loss. So reporting a warning is appropriate, but not a failure.
+*/
+static int check_pool_cmd_result(enum lcfg_command_type cmd,
+ char *fsname, char *poolname,
+ char *ostname)
+{
+ int cpt = 10;
+ int rc = 0;
+
+ switch (cmd) {
+ case LCFG_POOL_NEW: {
+ do {
+ rc = llapi_search_ost(fsname, poolname, NULL);
+ if (rc == -ENODEV)
+ return rc;
+ if (rc < 0)
+ sleep(2);
+ cpt--;
+ } while ((rc < 0) && (cpt > 0));
+ if (rc >= 0) {
+ fprintf(stderr, "Pool %s.%s created\n",
+ fsname, poolname);
+ return 0;
+ } else {
+ fprintf(stderr, "Warning, pool %s.%s not found\n",
+ fsname, poolname);
+ return -ENOENT;
+ }
+ }
+ case LCFG_POOL_DEL: {
+ do {
+ rc = llapi_search_ost(fsname, poolname, NULL);
+ if (rc == -ENODEV)
+ return rc;
+ if (rc >= 0)
+ sleep(2);
+ cpt--;
+ } while ((rc >= 0) && (cpt > 0));
+ if (rc < 0) {
+ fprintf(stderr, "Pool %s.%s destroyed\n",
+ fsname, poolname);
+ return 0;
+ } else {
+ fprintf(stderr, "Warning, pool %s.%s still found\n",
+ fsname, poolname);
+ return -EEXIST;
+ }
+ }
+ case LCFG_POOL_ADD: {
+ do {
+ rc = llapi_search_ost(fsname, poolname, ostname);
+ if (rc == -ENODEV)
+ return rc;
+ if (rc != 1)
+ sleep(2);
+ cpt--;
+ } while ((rc != 1) && (cpt > 0));
+ if (rc == 1) {
+ fprintf(stderr, "OST %s added to pool %s.%s\n",
+ ostname, fsname, poolname);
+ return 0;
+ } else {
+ fprintf(stderr, "Warning, OST %s not found in pool %s.%s\n",
+ ostname, fsname, poolname);
+ return -ENOENT;
+ }
+ }
+ case LCFG_POOL_REM: {
+ do {
+ rc = llapi_search_ost(fsname, poolname, ostname);
+ if (rc == -ENODEV)
+ return rc;
+ if (rc == 1)
+ sleep(2);
+ cpt--;
+ } while ((rc == 1) && (cpt > 0));
+ if (rc != 1) {
+ fprintf(stderr, "OST %s removed from pool %s.%s\n",
+ ostname, fsname, poolname);
+ return 0;
+ } else {
+ fprintf(stderr, "Warning, OST %s still found in pool %s.%s\n",
+ ostname, fsname, poolname);
+ return -EEXIST;
+ }
+ }
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static int check_and_complete_ostname(char *fsname, char *ostname)
+{
+ char *ptr;
+ char real_ostname[MAX_OBD_NAME + 1];
+ char i;
+
+ /* if OST name does not start with fsname, we add it */
+ /* if not check if the fsname is the right one */
+ ptr = strchr(ostname, '-');
+ if (ptr == NULL) {
+ sprintf(real_ostname, "%s-%s", fsname, ostname);
+ } else if (strncmp(ostname, fsname, strlen(fsname)) != 0) {
+ fprintf(stderr, "%s does not start with fsname %s\n",
+ ostname, fsname);
+ return -EINVAL;
+ } else {
+ strcpy(real_ostname, ostname);
+ }
+ /* real_ostname is fsname-????? */
+ ptr = real_ostname + strlen(fsname) + 1;
+ if (strncmp(ptr, "OST", 3) != 0) {
+ fprintf(stderr, "%s does not start by %s-OST nor OST\n",
+ ostname, fsname);
+ return -EINVAL;
+ }
+ /* real_ostname is fsname-OST????? */
+ ptr += 3;
+ for (i = 0; i < 4; i++) {
+ if (!isxdigit(*ptr)) {
+ fprintf(stderr,
+ "ost's index in %s is not an hexa number\n",
+ ostname);
+ return -EINVAL;
+ }
+ ptr++;
+ }
+ /* real_ostname is fsname-OSTXXXX????? */
+ /* if OST name does not end with _UUID, we add it */
+ if (*ptr == '\0') {
+ strcat(real_ostname, "_UUID");
+ } else if (strcmp(ptr, "_UUID") != 0) {
+ fprintf(stderr,
+ "ostname %s does not end with _UUID\n", ostname);
+ return -EINVAL;
+ }
+ /* real_ostname is fsname-OSTXXXX_UUID */
+ strcpy(ostname, real_ostname);
+ return 0;
+}
+
+/* returns 0 or -errno */
+static int pool_cmd(enum lcfg_command_type cmd,
+ char *cmdname, char *fullpoolname,
+ char *fsname, char *poolname, char *ostname)
+{
+ int rc = 0;
+ struct obd_ioctl_data data;
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+
+ rc = check_pool_cmd(cmd, fsname, poolname, ostname);
+ if (rc == -ENODEV)
+ fprintf(stderr, "Can't verify pool command since there "
+ "is no local MDT or client, proceeding anyhow...\n");
+ else if (rc)
+ return rc;
+
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ lustre_cfg_bufs_set_string(&bufs, 0, cmdname);
+ lustre_cfg_bufs_set_string(&bufs, 1, fullpoolname);
+ if (ostname != NULL)
+ lustre_cfg_bufs_set_string(&bufs, 2, ostname);
+
+ lcfg = lustre_cfg_new(cmd, &bufs);
+ if (IS_ERR(lcfg)) {
+ rc = PTR_ERR(lcfg);
+ return rc;
+ }
+
+ memset(&data, 0x00, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ goto out;
+
+ data.ioc_type = LUSTRE_CFG_TYPE;
+ data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
+ lcfg->lcfg_buflens);
+ data.ioc_pbuf1 = (void *)lcfg;
+
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(cmdname));
+ return rc;
+ }
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_POOL, buf);
+out:
+ if (rc)
+ rc = -errno;
+ lustre_cfg_free(lcfg);
+ return rc;
+}
+
+/*
+ * this function tranforms a rule [start-end/step] into an array
+ * of matching numbers
+ * supported forms are:
+ * [start] : just this number
+ * [start-end] : all numbers from start to end
+ * [start-end/step] : numbers from start to end with increment of step
+ * on return, format contains a printf format string which can be used
+ * to generate all the strings
+ */
+static int get_array_idx(char *rule, char *format, int **array)
+{
+ char *start, *end, *ptr;
+ unsigned int lo, hi, step;
+ int array_sz = 0;
+ int i, array_idx;
+ int rc;
+
+ start = strchr(rule, '[');
+ end = strchr(rule, ']');
+ if ((start == NULL) || (end == NULL)) {
+ *array = malloc(sizeof(int));
+ if (*array == NULL)
+ return 0;
+ strcpy(format, rule);
+ array_sz = 1;
+ return array_sz;
+ }
+ *start = '\0';
+ *end = '\0';
+ end++;
+ start++;
+ /* put in format the printf format (the rule without the range) */
+ sprintf(format, "%s%%.4x%s", rule, end);
+
+ array_idx = 0;
+ array_sz = 0;
+ *array = NULL;
+ /* loop on , separator */
+ do {
+ /* extract the 3 fields */
+ rc = sscanf(start, "%x-%x/%u", &lo, &hi, &step);
+ switch (rc) {
+ case 0: {
+ return 0;
+ }
+ case 1: {
+ array_sz++;
+ *array = realloc(*array, array_sz * sizeof(int));
+ if (*array == NULL)
+ return 0;
+ (*array)[array_idx] = lo;
+ array_idx++;
+ break;
+ }
+ case 2: {
+ step = 1;
+ /* do not break to share code with case 3: */
+ }
+ case 3: {
+ if ((hi < lo) || (step == 0))
+ return 0;
+ array_sz += (hi - lo) / step + 1;
+ *array = realloc(*array, sizeof(int) * array_sz);
+ if (*array == NULL)
+ return 0;
+ for (i = lo; i <= hi; i+=step, array_idx++)
+ (*array)[array_idx] = i;
+ break;
+ }
+ }
+ ptr = strchr(start, ',');
+ if (ptr != NULL)
+ start = ptr + 1;
+
+ } while (ptr != NULL);
+ return array_sz;
+}
+
+static int extract_fsname_poolname(char *arg, char *fsname, char *poolname)
+{
+ char *ptr;
+ int len;
+ int rc;
+
+ strcpy(fsname, arg);
+ ptr = strchr(fsname, '.');
+ if (ptr == NULL) {
+ fprintf(stderr, ". is missing in %s\n", fsname);
+ rc = -EINVAL;
+ goto err;
+ }
+
+ len = ptr - fsname;
+ if (len == 0) {
+ fprintf(stderr, "fsname is empty\n");
+ rc = -EINVAL;
+ goto err;
+ }
+
+ len = strlen(ptr + 1);
+ if (len == 0) {
+ fprintf(stderr, "poolname is empty\n");
+ rc = -EINVAL;
+ goto err;
+ }
+ if (len > LOV_MAXPOOLNAME) {
+ fprintf(stderr,
+ "poolname %s is too long (length is %d max is %d)\n",
+ ptr + 1, len, LOV_MAXPOOLNAME);
+ rc = -ENAMETOOLONG;
+ goto err;
+ }
+ strncpy(poolname, ptr + 1, LOV_MAXPOOLNAME);
+ poolname[LOV_MAXPOOLNAME] = '\0';
+ *ptr = '\0';
+ return 0;
+
+err:
+ fprintf(stderr, "argument %s must be <fsname>.<poolname>\n", arg);
+ return rc;
+}
+
+int jt_pool_cmd(int argc, char **argv)
+{
+ enum lcfg_command_type cmd;
+ char fsname[PATH_MAX + 1];
+ char poolname[LOV_MAXPOOLNAME + 1];
+ char *ostnames_buf = NULL;
+ int i, rc;
+ int *array = NULL, array_sz;
+ struct {
+ int rc;
+ char *ostname;
+ } *cmds = NULL;
+
+ switch (argc) {
+ case 0:
+ case 1: return CMD_HELP;
+ case 2: {
+ if (strcmp("pool_new", argv[0]) == 0)
+ cmd = LCFG_POOL_NEW;
+ else if (strcmp("pool_destroy", argv[0]) == 0)
+ cmd = LCFG_POOL_DEL;
+ else if (strcmp("pool_list", argv[0]) == 0)
+ return llapi_poollist(argv[1]);
+ else return CMD_HELP;
+
+ rc = extract_fsname_poolname(argv[1], fsname, poolname);
+ if (rc)
+ break;
+
+ rc = pool_cmd(cmd, argv[0], argv[1], fsname, poolname, NULL);
+ if (rc)
+ break;
+
+ check_pool_cmd_result(cmd, fsname, poolname, NULL);
+ break;
+ }
+ default: {
+ char format[2*MAX_OBD_NAME];
+
+ if (strcmp("pool_remove", argv[0]) == 0) {
+ cmd = LCFG_POOL_REM;
+ } else if (strcmp("pool_add", argv[0]) == 0) {
+ cmd = LCFG_POOL_ADD;
+ } else {
+ return CMD_HELP;
+ }
+
+ rc = extract_fsname_poolname(argv[1], fsname, poolname);
+ if (rc)
+ break;
+
+ for (i = 2; i < argc; i++) {
+ int j;
+
+ array_sz = get_array_idx(argv[i], format, &array);
+ if (array_sz == 0)
+ return CMD_HELP;
+
+ cmds = malloc(array_sz * sizeof(cmds[0]));
+ if (cmds != NULL) {
+ ostnames_buf = malloc(array_sz *
+ (MAX_OBD_NAME + 1));
+ } else {
+ free(array);
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ for (j = 0; j < array_sz; j++) {
+ char ostname[MAX_OBD_NAME + 1];
+
+ snprintf(ostname, MAX_OBD_NAME, format,
+ array[j]);
+ ostname[MAX_OBD_NAME] = '\0';
+
+ rc = check_and_complete_ostname(fsname,ostname);
+ if (rc) {
+ free(array);
+ free(cmds);
+ if (ostnames_buf)
+ free(ostnames_buf);
+ goto out;
+ }
+ if (ostnames_buf != NULL) {
+ cmds[j].ostname =
+ &ostnames_buf[(MAX_OBD_NAME + 1) * j];
+ strcpy(cmds[j].ostname, ostname);
+ } else {
+ cmds[j].ostname = NULL;
+ }
+ cmds[j].rc = pool_cmd(cmd, argv[0], argv[1],
+ fsname, poolname,
+ ostname);
+ /* Return an err if any of the add/dels fail */
+ if (!rc)
+ rc = cmds[j].rc;
+ }
+ for (j = 0; j < array_sz; j++) {
+ if (!cmds[j].rc) {
+ char ostname[MAX_OBD_NAME + 1];
+
+ if (!cmds[j].ostname) {
+ snprintf(ostname, MAX_OBD_NAME,
+ format, array[j]);
+ ostname[MAX_OBD_NAME] = '\0';
+ check_and_complete_ostname(
+ fsname, ostname);
+ } else {
+ strcpy(ostname,
+ cmds[j].ostname);
+ }
+ check_pool_cmd_result(cmd, fsname,
+ poolname,ostname);
+ }
+ }
+ if (array_sz > 0)
+ free(array);
+ if (cmds)
+ free(cmds);
+ if (ostnames_buf);
+ free(ostnames_buf);
+ }
+ /* fall through */
+ }
+ } /* switch */
+
+out:
+ if (rc != 0) {
+ errno = -rc;
+ perror(argv[0]);
+ }
+
+ return rc;
+}
+
+int jt_get_obj_version(int argc, char **argv)
+{
+ struct lu_fid fid;
+ struct obd_ioctl_data data;
+ __u64 version;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf, *fidstr;
+ int rc;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ fidstr = argv[1];
+ while (*fidstr == '[')
+ fidstr++;
+ sscanf(fidstr, SFID, RFID(&fid));
+ if (!fid_is_sane(&fid)) {
+ fprintf(stderr, "bad FID format [%s], should be "DFID"\n",
+ fidstr, (__u64)1, 2, 0);
+ return -EINVAL;
+ }
+
+ memset(&data, 0, sizeof data);
+ data.ioc_dev = cur_device;
+ data.ioc_inlbuf1 = (char *) &fid;
+ data.ioc_inllen1 = sizeof fid;
+ data.ioc_inlbuf2 = (char *) &version;
+ data.ioc_inllen2 = sizeof version;
+
+ memset(buf, 0, sizeof *buf);
+ rc = obd_ioctl_pack(&data, &buf, sizeof rawbuf);
+ if (rc) {
+ fprintf(stderr, "error: %s: packing ioctl arguments: %s\n",
+ jt_cmdname(argv[0]), strerror(-rc));
+ return rc;
+ }
+
+ rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GET_OBJ_VERSION, buf);
+ if (rc == -1) {
+ fprintf(stderr, "error: %s: ioctl: %s\n",
+ jt_cmdname(argv[0]), strerror(errno));
+ return -errno;
+ }
+
+ obd_ioctl_unpack(&data, buf, sizeof rawbuf);
+ printf(LPX64"\n", version);
+ return 0;
+}
+
+void llapi_ping_target(char *obd_type, char *obd_name,
+ char *obd_uuid, void *args)
+{
+ int rc;
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+
+ memset(&data, 0, sizeof(data));
+ data.ioc_inlbuf4 = obd_name;
+ data.ioc_inllen4 = strlen(obd_name) + 1;
+ data.ioc_dev = OBD_DEV_BY_DEVNAME;
+ memset(buf, 0, sizeof(rawbuf));
+ if (obd_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
+ fprintf(stderr, "error: invalid ioctl\n");
+ return;
+ }
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_PING_TARGET, buf);
+ if (rc)
+ rc = errno;
+ if (rc == ENOTCONN || rc == ESHUTDOWN) {
+ printf("%s inactive.\n", obd_name);
+ } else if (rc) {
+ fprintf(stderr, "error: check '%s' %s\n",
+ obd_name, strerror(errno));
+ } else {
+ printf("%s active.\n", obd_name);
+ }
+}
+
+int jt_changelog_register(int argc, char **argv)
+{
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct obd_ioctl_data data;
+ char devname[30];
+ int rc;
+
+ if (argc > 2)
+ return CMD_HELP;
+ else if (argc == 2 && strcmp(argv[1], "-n") != 0)
+ return CMD_HELP;
+ if (cur_device < 0)
+ return CMD_HELP;
+
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
+
+ rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_REG, buf);
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
+ strerror(rc = errno));
+ return rc;
+ }
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+
+ if (data.ioc_u32_1 == 0) {
+ fprintf(stderr, "received invalid userid!\n");
+ return EPROTO;
+ }
+
+ if (lcfg_get_devname() != NULL)
+ strcpy(devname, lcfg_get_devname());
+ else
+ sprintf(devname, "dev %d", cur_device);
+
+ if (argc == 2)
+ /* -n means bare name */
+ printf(CHANGELOG_USER_PREFIX"%u\n", data.ioc_u32_1);
+ else
+ printf("%s: Registered changelog userid '"CHANGELOG_USER_PREFIX
+ "%u'\n", devname, data.ioc_u32_1);
+ return 0;
+}
+
+int jt_changelog_deregister(int argc, char **argv)
+{
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct obd_ioctl_data data;
+ char devname[30];
+ int id, rc;
+
+ if (argc != 2 || cur_device < 0)
+ return CMD_HELP;
+
+ id = strtol(argv[1] + strlen(CHANGELOG_USER_PREFIX), NULL, 10);
+ if ((id == 0) || (strncmp(argv[1], CHANGELOG_USER_PREFIX,
+ strlen(CHANGELOG_USER_PREFIX)) != 0)) {
+ fprintf(stderr, "expecting id of the form '"
+ CHANGELOG_USER_PREFIX"<num>'; got '%s'\n", argv[1]);
+ return CMD_HELP;
+ }
+
+ memset(&data, 0x00, sizeof(data));
+ data.ioc_dev = cur_device;
+ data.ioc_u32_1 = id;
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "error: %s: invalid ioctl\n",
+ jt_cmdname(argv[0]));
+ return rc;
+ }
+
+ rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_DEREG, buf);
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
+ strerror(rc = errno));
+ return rc;
+ }
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+
+ if (data.ioc_u32_1 != id) {
+ fprintf(stderr, "No changelog user '%s'. Blocking user"
+ " is '"CHANGELOG_USER_PREFIX"%d'.\n", argv[1],
+ data.ioc_u32_1);
+ return ENOENT;
+ }
+
+ if (lcfg_get_devname() != NULL)
+ strcpy(devname, lcfg_get_devname());
+ else
+ sprintf(devname, "dev %d", cur_device);
+
+ printf("%s: Deregistered changelog user '"CHANGELOG_USER_PREFIX"%d'\n",
+ devname, data.ioc_u32_1);
+ return 0;
+}
+
+