1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
38 * Author: Peter J. Braam <braam@clusterfs.com>
39 * Author: Phil Schwan <phil@clusterfs.com>
40 * Author: Andreas Dilger <adilger@clusterfs.com>
41 * Author: Robert Read <rread@clusterfs.com>
45 #include <sys/ioctl.h>
47 #include <sys/socket.h>
48 #include <sys/types.h>
58 #include <obd.h> /* for struct lov_stripe_md */
59 #include <lustre/lustre_build_version.h>
68 #include <obd_class.h>
69 #include <lnet/lnetctl.h>
70 #include <libcfs/libcfsutil.h>
73 #define MAX_STRING_SIZE 128
74 #define DEVICES_LIST "/proc/fs/lustre/devices"
81 #define MAX_THREADS 1024
84 __u64 counters[MAX_THREADS];
85 __u64 offsets[MAX_THREADS];
93 static struct shared_data *shared_data;
94 static __u64 counter_snapshot[2][MAX_THREADS];
95 static int prev_valid;
96 static struct timeval prev_time;
100 const int thread = 0;
101 const int nthreads = 1;
104 static char rawbuf[8192];
105 static char *buf = rawbuf;
106 static int max = sizeof(rawbuf);
108 static int cur_device = -1;
110 #define MAX_STRIPES 170
111 struct lov_oinfo lov_oinfos[MAX_STRIPES];
114 struct lov_stripe_md lsm;
115 struct lov_oinfo *ptrs[MAX_STRIPES];
118 static int l2_ioctl(int dev_id, int opc, void *buf)
120 return l_ioctl(dev_id, opc, buf);
123 #define IOC_INIT(data) \
125 memset(&data, 0, sizeof(data)); \
126 data.ioc_dev = cur_device; \
129 #define IOC_PACK(func, data) \
131 memset(buf, 0, sizeof(rawbuf)); \
132 if (obd_ioctl_pack(&data, &buf, max)) { \
133 fprintf(stderr, "error: %s: invalid ioctl\n", \
139 #define IOC_UNPACK(func, data) \
141 if (obd_ioctl_unpack(&data, buf, max)) { \
142 fprintf(stderr, "error: %s: invalid reply\n", \
148 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
150 struct obd_ioctl_data data;
154 data.ioc_type = LUSTRE_CFG_TYPE;
155 data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
157 data.ioc_pbuf1 = (void *)lcfg;
158 IOC_PACK(func, data);
160 rc = l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
165 static int do_device(char *func, char *devname);
167 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
169 struct obd_ioctl_data data;
170 static int mgs_device = -1;
174 /* Always operates on MGS dev */
175 if (mgs_device == -1) {
176 do_disconnect(NULL, 1);
177 rc = do_device("mgsioc", mgs);
182 mgs_device = cur_device;
186 data.ioc_dev = mgs_device;
187 data.ioc_type = LUSTRE_CFG_TYPE;
188 data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
190 data.ioc_pbuf1 = (void *)lcfg;
191 IOC_PACK(func, data);
193 rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
196 fprintf(stderr, "Is the MGS running on this node?\n");
198 fprintf(stderr, "Make sure cfg_device is set first.\n");
200 fprintf(stderr, "cfg_device should be of the form "
201 "'lustre-MDT0000'\n");
206 char *obdo_print(struct obdo *obd)
210 sprintf(buf, "id: "LPX64"\ngrp: "LPX64"\natime: "LPU64"\nmtime: "LPU64
211 "\nctime: "LPU64"\nsize: "LPU64"\nblocks: "LPU64
212 "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
213 "misc: %x\nnlink: %d,\nvalid "LPX64"\n",
214 obd->o_id, obd->o_gr, obd->o_atime, obd->o_mtime, obd->o_ctime,
215 obd->o_size, obd->o_blocks, obd->o_blksize, obd->o_mode,
216 obd->o_uid, obd->o_gid, obd->o_flags, obd->o_misc,
217 obd->o_nlink, obd->o_valid);
222 #define BAD_VERBOSE (-999999999)
224 #define N2D_OFF 0x100 /* So we can tell between error codes and devices */
226 static int do_name2dev(char *func, char *name)
228 struct obd_ioctl_data data;
233 data.ioc_inllen1 = strlen(name) + 1;
234 data.ioc_inlbuf1 = name;
236 IOC_PACK(func, data);
237 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
240 IOC_UNPACK(func, data);
242 return data.ioc_dev + N2D_OFF;
246 * resolve a device name to a device number.
247 * supports a number, $name or %uuid.
249 int parse_devname(char *func, char *name)
256 if (isdigit(name[0])) {
257 ret = strtoul(name, NULL, 0);
259 if (name[0] == '$' || name[0] == '%')
261 rc = do_name2dev(func, name);
264 // printf("Name %s is device %d\n", name, ret);
266 fprintf(stderr, "No device found for name %s: %s\n",
274 reset_lsmb (struct lsm_buffer *lsmb)
276 memset (&lsmb->lsm, 0, sizeof (lsmb->lsm));
277 memset(lov_oinfos, 0, sizeof(lov_oinfos));
278 lsmb->lsm.lsm_magic = LOV_MAGIC;
282 parse_lsm (struct lsm_buffer *lsmb, char *string)
284 struct lov_stripe_md *lsm = &lsmb->lsm;
289 * object_id[=size#count[@offset:id]*]
294 lsm->lsm_object_id = strtoull (string, &end, 0);
306 lsm->lsm_stripe_size = strtoul (string, &end, 0);
315 lsm->lsm_stripe_count = strtoul (string, &end, 0);
320 if (*string == 0) /* don't have to specify obj ids */
323 for (i = 0; i < lsm->lsm_stripe_count; i++) {
327 lsm->lsm_oinfo[i]->loi_ost_idx = strtoul(string, &end, 0);
331 lsm->lsm_oinfo[i]->loi_id = strtoull(string, &end, 0);
341 char *jt_cmdname(char *func)
343 static char buf[512];
346 sprintf(buf, "%s-%d", func, thread);
353 #define difftime(a, b) \
354 ((a)->tv_sec - (b)->tv_sec + \
355 ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
357 static int be_verbose(int verbose, struct timeval *next_time,
358 __u64 num, __u64 *next_num, int num_total)
365 if (next_time != NULL)
366 gettimeofday(&now, NULL);
368 /* A positive verbosity means to print every X iterations */
369 if (verbose > 0 && (num >= *next_num || num >= num_total)) {
370 *next_num += verbose;
372 next_time->tv_sec = now.tv_sec - verbose;
373 next_time->tv_usec = now.tv_usec;
378 /* A negative verbosity means to print at most each X seconds */
379 if (verbose < 0 && next_time != NULL &&
380 difftime(&now, next_time) >= 0.0){
381 next_time->tv_sec = now.tv_sec - verbose;
382 next_time->tv_usec = now.tv_usec;
390 static int get_verbose(char *func, const char *arg)
395 if (!arg || arg[0] == 'v')
397 else if (arg[0] == 's' || arg[0] == 'q')
400 verbose = (int)strtoul(arg, &end, 0);
402 fprintf(stderr, "error: %s: bad verbose option '%s'\n",
403 jt_cmdname(func), arg);
409 printf("Print status every %d seconds\n", -verbose);
410 else if (verbose == 1)
411 printf("Print status every operation\n");
412 else if (verbose > 1)
413 printf("Print status every %d operations\n", verbose);
418 int do_disconnect(char *func, int verbose)
420 lcfg_set_devname(NULL);
426 static void shmem_setup(void)
428 /* Create new segment */
429 int shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
432 fprintf(stderr, "Can't create shared data: %s\n",
437 /* Attatch to new segment */
438 shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
440 if (shared_data == (struct shared_data *)(-1)) {
441 fprintf(stderr, "Can't attach shared data: %s\n",
447 /* Mark segment as destroyed, so it will disappear when we exit.
448 * Forks will inherit attached segments, so we should be OK.
450 if (shmctl(shmid, IPC_RMID, NULL) == -1) {
451 fprintf(stderr, "Can't destroy shared data: %s\n",
456 static inline void shmem_lock(void)
458 l_mutex_lock(&shared_data->mutex);
461 static inline void shmem_unlock(void)
463 l_mutex_unlock(&shared_data->mutex);
466 static inline void shmem_reset(int total_threads)
468 if (shared_data == NULL)
471 memset(shared_data, 0, sizeof(*shared_data));
472 l_mutex_init(&shared_data->mutex);
473 l_cond_init(&shared_data->cond);
474 memset(counter_snapshot, 0, sizeof(counter_snapshot));
476 shared_data->barrier = total_threads;
479 static inline void shmem_bump(void)
481 static int bumped_running;
483 if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
487 shared_data->counters[thread - 1]++;
489 shared_data->running++;
494 static void shmem_snap(int total_threads, int live_threads)
496 struct timeval this_time;
503 if (shared_data == NULL || total_threads > MAX_THREADS)
507 memcpy(counter_snapshot[0], shared_data->counters,
508 total_threads * sizeof(counter_snapshot[0][0]));
509 running = shared_data->running;
512 gettimeofday(&this_time, NULL);
514 for (i = 0; i < total_threads; i++) {
515 long long this_count =
516 counter_snapshot[0][i] - counter_snapshot[1][i];
518 if (this_count != 0) {
524 secs = (this_time.tv_sec + this_time.tv_usec / 1000000.0) -
525 (prev_time.tv_sec + prev_time.tv_usec / 1000000.0);
528 live_threads == total_threads &&
529 secs > 0.0) /* someone screwed with the time? */
530 printf("%d/%d Total: %f/second\n", non_zero, total_threads, total / secs);
532 memcpy(counter_snapshot[1], counter_snapshot[0],
533 total_threads * sizeof(counter_snapshot[0][0]));
534 prev_time = this_time;
536 running == total_threads)
540 static void shmem_stop(void)
542 if (shared_data == NULL)
545 shared_data->stop = 1;
548 static int shmem_running(void)
550 return (shared_data == NULL ||
554 static void shmem_setup(void)
558 static inline void shmem_reset(int total_threads)
562 static inline void shmem_bump(void)
566 static void shmem_lock()
570 static void shmem_unlock()
574 static void shmem_stop(void)
578 static int shmem_running(void)
584 extern command_t cmdlist[];
586 static int do_device(char *func, char *devname)
590 dev = parse_devname(func, devname);
594 lcfg_set_devname(devname);
599 int jt_obd_get_device()
604 int jt_obd_device(int argc, char **argv)
612 printf("current device is %d - %s\n",
613 cur_device, lcfg_get_devname() ? : "not set");
616 rc = do_device("device", argv[1]);
620 int jt_opt_device(int argc, char **argv)
628 rc = do_device("device", argv[1]);
631 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
633 ret = do_disconnect(argv[0], 0);
641 static void parent_sighandler (int sig)
646 int jt_opt_threads(int argc, char **argv)
648 static char cmdstr[128];
651 struct sigaction sigact;
652 struct sigaction saveact1;
653 struct sigaction saveact2;
654 unsigned long threads;
658 int report_count = -1;
665 threads = strtoul(argv[1], &end, 0);
668 report_count = strtoul(end + 1, &end, 0);
670 if (*end || threads > MAX_THREADS) {
671 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
672 jt_cmdname(argv[0]), argv[1]);
676 verbose = get_verbose(argv[0], argv[2]);
677 if (verbose == BAD_VERBOSE)
681 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
682 for (i = 5; i < argc; i++)
683 snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
686 printf("%s: starting %ld threads on device %s running %s\n",
687 argv[0], threads, argv[3], cmdstr);
690 shmem_reset(threads);
692 sigemptyset(&sigset);
693 sigaddset(&sigset, SIGALRM);
694 sigaddset(&sigset, SIGCHLD);
695 sigprocmask(SIG_BLOCK, &sigset, &saveset);
699 for (i = 1, next_thread = verbose; i <= threads; i++) {
702 fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
703 strerror(rc = errno));
705 } else if (rc == 0) {
706 sigprocmask(SIG_SETMASK, &saveset, NULL);
709 argv[2] = "--device";
710 return jt_opt_device(argc - 2, argv + 2);
711 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
712 printf("%s: thread #%d (PID %d) started\n",
717 if (!thread) { /* parent process */
718 int live_threads = threads;
720 sigemptyset(&sigset);
721 sigemptyset(&sigact.sa_mask);
722 sigact.sa_handler = parent_sighandler;
725 sigaction(SIGALRM, &sigact, &saveact1);
726 sigaction(SIGCHLD, &sigact, &saveact2);
728 while (live_threads > 0) {
732 if (verbose < 0) /* periodic stats */
738 while (live_threads > 0) {
739 ret = waitpid(0, &status, WNOHANG);
744 fprintf(stderr, "error: %s: wait - %s\n",
745 argv[0], strerror(errno));
751 * This is a hack. We _should_ be able
752 * to use WIFEXITED(status) to see if
753 * there was an error, but it appears
754 * to be broken and it always returns 1
757 int err = WEXITSTATUS(status);
758 if (err || WIFSIGNALED(status))
760 "%s: PID %d had rc=%d\n",
769 /* Show stats while all threads running */
771 shmem_snap(threads, live_threads);
772 if (report_count > 0 && --report_count == 0)
776 sigaction(SIGCHLD, &saveact2, NULL);
777 sigaction(SIGALRM, &saveact1, NULL);
780 sigprocmask(SIG_SETMASK, &saveset, NULL);
785 int jt_opt_threads(int argc, char **argv)
787 fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
788 jt_cmdname(argv[0]));
793 int jt_opt_net(int argc, char **argv)
804 rc = jt_ptl_network (2, arg2);
807 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
812 int jt_obd_no_transno(int argc, char **argv)
814 struct obd_ioctl_data data;
822 IOC_PACK(argv[0], data);
823 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
825 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
826 strerror(rc = errno));
831 int jt_obd_set_readonly(int argc, char **argv)
833 struct obd_ioctl_data data;
841 IOC_PACK(argv[0], data);
842 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
844 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
845 strerror(rc = errno));
850 int jt_obd_abort_recovery(int argc, char **argv)
852 struct obd_ioctl_data data;
860 IOC_PACK(argv[0], data);
861 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
863 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
864 strerror(rc = errno));
869 int jt_get_version(int argc, char **argv)
873 struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
878 memset(buf, 0, sizeof(buf));
879 data->ioc_version = OBD_IOCTL_VERSION;
880 data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
881 data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
882 data->ioc_len = obd_ioctl_packlen(data);
884 rc = l2_ioctl(OBD_DEV_ID, OBD_GET_VERSION, buf);
886 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
887 strerror(rc = errno));
889 printf("Lustre version: %s\n", data->ioc_bulk);
892 printf("lctl version: %s\n", BUILD_VERSION);
897 * Print an obd device line with the ost_conn_uuid inserted, if the obd
900 static void print_obd_line(char *s)
902 char buf[MAX_STRING_SIZE];
903 char obd_name[MAX_OBD_NAME];
907 if (sscanf(s, " %*d %*s osc %s %*s %*d ", obd_name) == 0)
909 snprintf(buf, sizeof(buf),
910 "/proc/fs/lustre/osc/%s/ost_conn_uuid", obd_name);
911 if ((fp = fopen(buf, "r")) == NULL)
916 if (sscanf(s, " %*d %*s mdc %s %*s %*d ", obd_name) == 0)
918 snprintf(buf, sizeof(buf),
919 "/proc/fs/lustre/mdc/%s/mds_conn_uuid", obd_name);
920 if ((fp = fopen(buf, "r")) == NULL)
924 fgets(buf, sizeof(buf), fp);
927 /* trim trailing newlines */
928 ptr = strrchr(buf, '\n');
929 if (ptr) *ptr = '\0';
930 ptr = strrchr(s, '\n');
931 if (ptr) *ptr = '\0';
933 printf("%s %s\n", s, buf);
941 /* get device list by ioctl */
942 int jt_obd_list_ioctl(int argc, char **argv)
946 struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
950 /* Just ignore a -t option. Only supported with /proc. */
951 else if (argc == 2 && strcmp(argv[1], "-t") != 0)
954 for (index = 0;; index++) {
955 memset(buf, 0, sizeof(buf));
956 data->ioc_version = OBD_IOCTL_VERSION;
957 data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
958 data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
959 data->ioc_len = obd_ioctl_packlen(data);
960 data->ioc_count = index;
962 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETDEVICE, buf);
965 printf("%s\n", (char *)data->ioc_bulk);
969 /* no device or the last device */
972 fprintf(stderr, "Error getting device list: %s: "
979 int jt_obd_list(int argc, char **argv)
982 char buf[MAX_STRING_SIZE];
988 else if (argc == 2) {
989 if (strcmp(argv[1], "-t") == 0)
995 fp = fopen(DEVICES_LIST, "r");
997 fprintf(stderr, "error: %s: %s opening "DEVICES_LIST"\n",
998 jt_cmdname(argv[0]), strerror(rc = errno));
999 return jt_obd_list_ioctl(argc, argv);
1002 while (fgets(buf, sizeof(buf), fp) != NULL)
1004 print_obd_line(buf);
1015 /* Create one or more objects, arg[4] may describe stripe meta-data. If
1016 * not, defaults assumed. This echo-client instance stashes the stripe
1017 * object ids. Use get_stripe on this node to print full lsm and
1018 * set_stripe on another node to cut/paste between nodes.
1020 /* create <count> [<file_create_mode>] [q|v|# verbosity] [striping] */
1021 int jt_obd_create(int argc, char **argv)
1023 struct obd_ioctl_data data;
1024 struct timeval next_time;
1025 __u64 count = 1, next_count, base_id = 0;
1026 int verbose = 1, mode = 0100644, rc = 0, i, valid_lsm = 0;
1030 if (argc < 2 || argc > 5)
1033 count = strtoull(argv[1], &end, 0);
1035 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1036 jt_cmdname(argv[0]), argv[1]);
1041 mode = strtoul(argv[2], &end, 0);
1043 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1044 jt_cmdname(argv[0]), argv[2]);
1047 if (!(mode & S_IFMT))
1052 verbose = get_verbose(argv[0], argv[3]);
1053 if (verbose == BAD_VERBOSE)
1058 reset_lsmb (&lsm_buffer); /* will set default */
1060 rc = parse_lsm (&lsm_buffer, argv[4]);
1062 fprintf(stderr, "error: %s: invalid lsm '%s'\n",
1063 jt_cmdname(argv[0]), argv[4]);
1066 base_id = lsm_buffer.lsm.lsm_object_id;
1070 printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1071 gettimeofday(&next_time, NULL);
1072 next_time.tv_sec -= verbose;
1074 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1075 data.ioc_obdo1.o_mode = mode;
1076 data.ioc_obdo1.o_id = base_id;
1077 data.ioc_obdo1.o_uid = 0;
1078 data.ioc_obdo1.o_gid = 0;
1079 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1080 OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID;
1083 data.ioc_plen1 = sizeof lsm_buffer;
1084 data.ioc_pbuf1 = (char *)&lsm_buffer;
1087 IOC_PACK(argv[0], data);
1088 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1089 IOC_UNPACK(argv[0], data);
1092 fprintf(stderr, "error: %s: #%d - %s\n",
1093 jt_cmdname(argv[0]), i, strerror(rc = errno));
1096 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1097 fprintf(stderr,"error: %s: oid not valid #%d:"LPX64"\n",
1098 jt_cmdname(argv[0]), i, data.ioc_obdo1.o_valid);
1103 if (be_verbose(verbose, &next_time, i, &next_count, count))
1104 printf("%s: #%d is object id "LPX64"\n",
1105 jt_cmdname(argv[0]), i, data.ioc_obdo1.o_id);
1110 int jt_obd_setattr(int argc, char **argv)
1112 struct obd_ioctl_data data;
1120 data.ioc_obdo1.o_id = strtoull(argv[1], &end, 0);
1122 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1123 jt_cmdname(argv[0]), argv[1]);
1126 data.ioc_obdo1.o_mode = S_IFREG | strtoul(argv[2], &end, 0);
1128 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1129 jt_cmdname(argv[0]), argv[2]);
1132 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1134 IOC_PACK(argv[0], data);
1135 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1137 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1138 strerror(rc = errno));
1143 int jt_obd_test_setattr(int argc, char **argv)
1145 struct obd_ioctl_data data;
1146 struct timeval start, next_time;
1147 __u64 i, count, next_count;
1153 if (argc < 2 || argc > 4)
1157 count = strtoull(argv[1], &end, 0);
1159 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1160 jt_cmdname(argv[0]), argv[1]);
1165 verbose = get_verbose(argv[0], argv[2]);
1166 if (verbose == BAD_VERBOSE)
1171 if (argv[3][0] == 't') {
1172 objid = strtoull(argv[3] + 1, &end, 0);
1174 objid += thread - 1;
1176 objid = strtoull(argv[3], &end, 0);
1178 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1179 jt_cmdname(argv[0]), argv[3]);
1184 gettimeofday(&start, NULL);
1185 next_time.tv_sec = start.tv_sec - verbose;
1186 next_time.tv_usec = start.tv_usec;
1188 printf("%s: setting "LPD64" attrs (objid "LPX64"): %s",
1189 jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1191 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1192 data.ioc_obdo1.o_id = objid;
1193 data.ioc_obdo1.o_mode = S_IFREG;
1194 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1195 IOC_PACK(argv[0], data);
1196 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1199 fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1200 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1204 (verbose, &next_time, i, &next_count, count))
1205 printf("%s: set attr #"LPD64"\n",
1206 jt_cmdname(argv[0]), i);
1214 gettimeofday(&end, NULL);
1216 diff = difftime(&end, &start);
1220 printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1221 jt_cmdname(argv[0]), i, diff, i / diff,
1222 ctime(&end.tv_sec));
1227 int jt_obd_destroy(int argc, char **argv)
1229 struct obd_ioctl_data data;
1230 struct timeval next_time;
1231 __u64 count = 1, next_count;
1238 if (argc < 2 || argc > 4)
1241 id = strtoull(argv[1], &end, 0);
1242 if (*end || id == 0 || errno != 0) {
1243 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1244 jt_cmdname(argv[0]), argv[1]);
1248 count = strtoull(argv[2], &end, 0);
1251 "error: %s: invalid iteration count '%s'\n",
1252 jt_cmdname(argv[0]), argv[2]);
1258 verbose = get_verbose(argv[0], argv[3]);
1259 if (verbose == BAD_VERBOSE)
1263 printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1264 gettimeofday(&next_time, NULL);
1265 next_time.tv_sec -= verbose;
1267 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1268 data.ioc_obdo1.o_id = id;
1269 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1270 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1272 IOC_PACK(argv[0], data);
1273 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1274 IOC_UNPACK(argv[0], data);
1277 fprintf(stderr, "error: %s: objid "LPX64": %s\n",
1278 jt_cmdname(argv[0]), id, strerror(rc = errno));
1282 if (be_verbose(verbose, &next_time, i, &next_count, count))
1283 printf("%s: #%d is object id "LPX64"\n",
1284 jt_cmdname(argv[0]), i, id);
1290 int jt_obd_getattr(int argc, char **argv)
1292 struct obd_ioctl_data data;
1300 data.ioc_obdo1.o_id = strtoull(argv[1], &end, 0);
1302 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1303 jt_cmdname(argv[0]), argv[1]);
1306 /* to help obd filter */
1307 data.ioc_obdo1.o_mode = 0100644;
1308 data.ioc_obdo1.o_valid = 0xffffffff;
1309 printf("%s: object id "LPX64"\n", jt_cmdname(argv[0]),data.ioc_obdo1.o_id);
1311 IOC_PACK(argv[0], data);
1312 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1313 IOC_UNPACK(argv[0], data);
1315 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1316 strerror(rc = errno));
1318 printf("%s: object id "LPX64", mode %o\n", jt_cmdname(argv[0]),
1319 data.ioc_obdo1.o_id, data.ioc_obdo1.o_mode);
1324 int jt_obd_test_getattr(int argc, char **argv)
1326 struct obd_ioctl_data data;
1327 struct timeval start, next_time;
1328 __u64 i, count, next_count;
1334 if (argc < 2 || argc > 4)
1338 count = strtoull(argv[1], &end, 0);
1340 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1341 jt_cmdname(argv[0]), argv[1]);
1346 verbose = get_verbose(argv[0], argv[2]);
1347 if (verbose == BAD_VERBOSE)
1352 if (argv[3][0] == 't') {
1353 objid = strtoull(argv[3] + 1, &end, 0);
1355 objid += thread - 1;
1357 objid = strtoull(argv[3], &end, 0);
1359 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1360 jt_cmdname(argv[0]), argv[3]);
1365 gettimeofday(&start, NULL);
1366 next_time.tv_sec = start.tv_sec - verbose;
1367 next_time.tv_usec = start.tv_usec;
1369 printf("%s: getting "LPD64" attrs (objid "LPX64"): %s",
1370 jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1372 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1373 data.ioc_obdo1.o_id = objid;
1374 data.ioc_obdo1.o_mode = S_IFREG;
1375 data.ioc_obdo1.o_valid = 0xffffffff;
1376 IOC_PACK(argv[0], data);
1377 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1380 fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1381 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1385 (verbose, &next_time, i, &next_count, count))
1386 printf("%s: got attr #"LPD64"\n",
1387 jt_cmdname(argv[0]), i);
1395 gettimeofday(&end, NULL);
1397 diff = difftime(&end, &start);
1401 printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1402 jt_cmdname(argv[0]), i, diff, i / diff,
1403 ctime(&end.tv_sec));
1408 /* test_brw <cnt> count
1409 <r|w[r(repeat)x(noverify)]> mode
1410 <q|v|#(print interval)> verbosity
1411 <npages[+offset]> blocksize
1412 <[[<interleave_threads>]t(inc obj by thread#)]obj> object
1413 [p|g<args>] batch */
1414 int jt_obd_test_brw(int argc, char **argv)
1416 struct obd_ioctl_data data;
1417 struct timeval start, next_time;
1418 __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1419 int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1420 int offset_pages = 0;
1422 int repeat_offset = 0;
1423 unsigned long long ull;
1424 int nthr_per_obj = 0;
1429 if (argc < 2 || argc > 7) {
1430 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1431 jt_cmdname(argv[0]), argc);
1435 count = strtoull(argv[1], &end, 0);
1437 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1438 jt_cmdname(argv[0]), argv[1]);
1443 if (argv[2][0] == 'w' || argv[2][0] == '1')
1445 /* else it's a read */
1447 if (argv[2][0] != 0)
1448 for (i = 1; argv[2][i] != 0; i++)
1449 switch (argv[2][i]) {
1459 fprintf (stderr, "Can't parse cmd '%s'\n",
1466 verbose = get_verbose(argv[0], argv[3]);
1467 if (verbose == BAD_VERBOSE)
1472 pages = strtoul(argv[4], &end, 0);
1475 offset_pages = strtoul(end + 1, &end, 0);
1478 offset_pages < 0 || offset_pages >= pages) {
1479 fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
1480 jt_cmdname(argv[0]), argv[4]);
1487 (n = strtol(argv[5], &end, 0)) > 0 &&
1489 (ull = strtoull(end + 1, &end, 0)) > 0 &&
1493 } else if (thread &&
1494 argv[5][0] == 't') {
1496 objid = strtoull(argv[5] + 1, &end, 0);
1499 objid = strtoull(argv[5], &end, 0);
1502 fprintf(stderr, "error: %s: bad objid '%s'\n",
1503 jt_cmdname(argv[0]), argv[5]);
1510 /* communicate the 'type' of brw test and batching to echo_client.
1511 * don't start. we'd love to refactor this lctl->echo_client
1513 data.ioc_pbuf1 = (void *)1;
1517 switch(argv[6][0]) {
1518 case 'g': /* plug and unplug */
1519 data.ioc_pbuf1 = (void *)2;
1520 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1523 case 'p': /* prep and commit */
1524 data.ioc_pbuf1 = (void *)3;
1525 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1529 fprintf(stderr, "error: %s: batching '%s' "
1530 "needs to specify 'p' or 'g'\n",
1531 jt_cmdname(argv[0]), argv[6]);
1536 fprintf(stderr, "error: %s: bad batching '%s'\n",
1537 jt_cmdname(argv[0]), argv[6]);
1540 data.ioc_plen1 *= getpagesize();
1543 len = pages * getpagesize();
1544 thr_offset = offset_pages * getpagesize();
1550 if (nthr_per_obj != 0) {
1551 /* threads interleave */
1552 obj_idx = (thread - 1)/nthr_per_obj;
1554 stride *= nthr_per_obj;
1556 shared_data->offsets[obj_idx] = stride + thr_offset;
1557 thr_offset += ((thread - 1) % nthr_per_obj) * len;
1559 /* threads disjoint */
1560 thr_offset += (thread - 1) * len;
1563 shared_data->barrier--;
1564 if (shared_data->barrier == 0)
1565 l_cond_broadcast(&shared_data->cond);
1567 l_cond_wait(&shared_data->cond,
1568 &shared_data->mutex);
1574 data.ioc_obdo1.o_id = objid;
1575 data.ioc_obdo1.o_mode = S_IFREG;
1576 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE | OBD_MD_FLFLAGS;
1577 data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
1578 data.ioc_count = len;
1579 data.ioc_offset = (repeat_offset ? 0 : thr_offset);
1581 gettimeofday(&start, NULL);
1582 next_time.tv_sec = start.tv_sec - verbose;
1583 next_time.tv_usec = start.tv_usec;
1586 printf("%s: %s "LPU64"x%d pages (obj "LPX64", off "LPU64"): %s",
1587 jt_cmdname(argv[0]), write ? "writing" : "reading", count,
1588 pages, objid, data.ioc_offset, ctime(&start.tv_sec));
1590 cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
1591 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1592 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
1593 IOC_PACK(argv[0], data);
1594 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
1597 fprintf(stderr, "error: %s: #%d - %s on %s\n",
1598 jt_cmdname(argv[0]), i, strerror(rc = errno),
1599 write ? "write" : "read");
1601 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
1603 printf("%s: %s number %d @ "LPD64":"LPU64" for %d\n",
1604 jt_cmdname(argv[0]), write ? "write" : "read", i,
1605 data.ioc_obdo1.o_id, data.ioc_offset,
1606 (int)(pages * getpagesize()));
1610 if (!repeat_offset) {
1612 if (stride == len) {
1613 data.ioc_offset += stride;
1614 } else if (i < count) {
1616 data.ioc_offset = shared_data->offsets[obj_idx];
1617 shared_data->offsets[obj_idx] += len;
1621 data.ioc_offset += len;
1622 obj_idx = 0; /* avoids an unused var warning */
1631 gettimeofday(&end, NULL);
1633 diff = difftime(&end, &start);
1637 printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
1638 jt_cmdname(argv[0]), write ? "wrote" : "read",
1640 ((double)i * pages * getpagesize()) /
1642 ctime(&end.tv_sec));
1648 int jt_obd_lov_getconfig(int argc, char **argv)
1650 struct obd_ioctl_data data;
1651 struct lov_desc desc;
1652 struct obd_uuid *uuidarray;
1663 fd = open(path, O_RDONLY);
1665 fprintf(stderr, "open \"%s\" failed: %s\n", path,
1670 memset(&desc, 0, sizeof(desc));
1671 obd_str2uuid(&desc.ld_uuid, argv[1]);
1672 desc.ld_tgt_count = ((OBD_MAX_IOCTL_BUFFER-sizeof(data)-sizeof(desc)) /
1673 (sizeof(*uuidarray) + sizeof(*obdgens)));
1677 uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
1679 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
1680 jt_cmdname(argv[0]), desc.ld_tgt_count);
1684 obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
1686 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
1687 jt_cmdname(argv[0]), desc.ld_tgt_count);
1692 data.ioc_inllen1 = sizeof(desc);
1693 data.ioc_inlbuf1 = (char *)&desc;
1694 data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
1695 data.ioc_inlbuf2 = (char *)uuidarray;
1696 data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
1697 data.ioc_inlbuf3 = (char *)obdgens;
1699 if (obd_ioctl_pack(&data, &buf, max)) {
1700 fprintf(stderr, "error: %s: invalid ioctl\n",
1701 jt_cmdname(argv[0]));
1705 rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
1706 if (rc == -ENOSPC) {
1711 fprintf(stderr, "error: %s: ioctl error: %s\n",
1712 jt_cmdname(argv[0]), strerror(rc = errno));
1714 struct obd_uuid *uuidp;
1718 if (obd_ioctl_unpack(&data, buf, max)) {
1719 fprintf(stderr, "error: %s: invalid reply\n",
1720 jt_cmdname(argv[0]));
1724 if (desc.ld_default_stripe_count == (__u32)-1)
1725 printf("default_stripe_count: %d\n", -1);
1727 printf("default_stripe_count: %u\n",
1728 desc.ld_default_stripe_count);
1729 printf("default_stripe_size: "LPU64"\n",
1730 desc.ld_default_stripe_size);
1731 printf("default_stripe_offset: "LPU64"\n",
1732 desc.ld_default_stripe_offset);
1733 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
1734 printf("obd_count: %u\n", desc.ld_tgt_count);
1735 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
1738 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
1739 printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
1750 int jt_obd_ldlm_regress_start(int argc, char **argv)
1753 struct obd_ioctl_data data;
1754 char argstring[200];
1755 int i, count = sizeof(argstring) - 1;
1761 argstring[0] = '\0';
1762 for (i = 1; i < argc; i++) {
1763 strncat(argstring, " ", count);
1765 strncat(argstring, argv[i], count);
1766 count -= strlen(argv[i]);
1769 if (strlen(argstring)) {
1770 data.ioc_inlbuf1 = argstring;
1771 data.ioc_inllen1 = strlen(argstring) + 1;
1774 IOC_PACK(argv[0], data);
1775 rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_START, buf);
1777 fprintf(stderr, "error: %s: test failed: %s\n",
1778 jt_cmdname(argv[0]), strerror(rc = errno));
1783 int jt_obd_ldlm_regress_stop(int argc, char **argv)
1786 struct obd_ioctl_data data;
1792 IOC_PACK(argv[0], data);
1793 rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_STOP, buf);
1796 fprintf(stderr, "error: %s: test failed: %s\n",
1797 jt_cmdname(argv[0]), strerror(rc = errno));
1801 static int do_activate(int argc, char **argv, int flag)
1803 struct obd_ioctl_data data;
1810 /* reuse offset for 'active' */
1811 data.ioc_offset = flag;
1813 IOC_PACK(argv[0], data);
1814 rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
1816 fprintf(stderr, "error: %s: failed: %s\n",
1817 jt_cmdname(argv[0]), strerror(rc = errno));
1822 int jt_obd_deactivate(int argc, char **argv)
1824 return do_activate(argc, argv, 0);
1827 int jt_obd_activate(int argc, char **argv)
1829 return do_activate(argc, argv, 1);
1832 int jt_obd_recover(int argc, char **argv)
1835 struct obd_ioctl_data data;
1842 data.ioc_inllen1 = strlen(argv[1]) + 1;
1843 data.ioc_inlbuf1 = argv[1];
1846 IOC_PACK(argv[0], data);
1847 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
1849 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1850 strerror(rc = errno));
1856 int jt_obd_mdc_lookup(int argc, char **argv)
1858 struct obd_ioctl_data data;
1859 char *parent, *child;
1860 int rc, fd, verbose = 1;
1862 if (argc < 3 || argc > 4)
1868 verbose = get_verbose(argv[0], argv[3]);
1872 data.ioc_inllen1 = strlen(child) + 1;
1873 data.ioc_inlbuf1 = child;
1875 IOC_PACK(argv[0], data);
1877 fd = open(parent, O_RDONLY);
1879 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
1884 rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
1886 fprintf(stderr, "error: %s: ioctl error: %s\n",
1887 jt_cmdname(argv[0]), strerror(rc = errno));
1892 IOC_UNPACK(argv[0], data);
1893 printf("%s: mode %o uid %d gid %d\n", child,
1894 data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
1895 data.ioc_obdo1.o_gid);
1901 int jt_cfg_dump_log(int argc, char **argv)
1903 struct obd_ioctl_data data;
1911 data.ioc_inllen1 = strlen(argv[1]) + 1;
1912 data.ioc_inlbuf1 = argv[1];
1914 IOC_PACK(argv[0], data);
1915 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_DUMP_LOG, buf);
1917 fprintf(stderr, "OBD_IOC_DUMP_LOG failed: %s\n",
1923 int jt_llog_catlist(int argc, char **argv)
1925 struct obd_ioctl_data data;
1932 data.ioc_inllen1 = max - size_round(sizeof(data));
1933 IOC_PACK(argv[0], data);
1935 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
1937 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1939 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
1945 int jt_llog_info(int argc, char **argv)
1947 struct obd_ioctl_data data;
1954 data.ioc_inllen1 = strlen(argv[1]) + 1;
1955 data.ioc_inlbuf1 = argv[1];
1956 data.ioc_inllen2 = max - size_round(sizeof(data)) -
1957 size_round(data.ioc_inllen1);
1958 IOC_PACK(argv[0], data);
1960 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
1962 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1964 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
1970 int jt_llog_print(int argc, char **argv)
1972 struct obd_ioctl_data data;
1975 if (argc != 2 && argc != 4)
1979 data.ioc_inllen1 = strlen(argv[1]) + 1;
1980 data.ioc_inlbuf1 = argv[1];
1982 data.ioc_inllen2 = strlen(argv[2]) + 1;
1983 data.ioc_inlbuf2 = argv[2];
1984 data.ioc_inllen3 = strlen(argv[3]) + 1;
1985 data.ioc_inlbuf3 = argv[3];
1987 char from[2] = "1", to[3] = "-1";
1988 data.ioc_inllen2 = strlen(from) + 1;
1989 data.ioc_inlbuf2 = from;
1990 data.ioc_inllen3 = strlen(to) + 1;
1991 data.ioc_inlbuf3 = to;
1993 data.ioc_inllen4 = max - size_round(sizeof(data)) -
1994 size_round(data.ioc_inllen1) -
1995 size_round(data.ioc_inllen2) -
1996 size_round(data.ioc_inllen3);
1997 IOC_PACK(argv[0], data);
1999 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
2001 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2003 fprintf(stderr, "OBD_IOC_LLOG_PRINT failed: %s\n",
2009 int jt_llog_cancel(int argc, char **argv)
2011 struct obd_ioctl_data data;
2018 data.ioc_inllen1 = strlen(argv[1]) + 1;
2019 data.ioc_inlbuf1 = argv[1];
2020 data.ioc_inllen2 = strlen(argv[2]) + 1;
2021 data.ioc_inlbuf2 = argv[2];
2022 data.ioc_inllen3 = strlen(argv[3]) + 1;
2023 data.ioc_inlbuf3 = argv[3];
2024 IOC_PACK(argv[0], data);
2026 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
2028 fprintf(stdout, "index %s be canceled.\n", argv[3]);
2030 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
2036 int jt_llog_check(int argc, char **argv)
2038 struct obd_ioctl_data data;
2041 if (argc != 2 && argc != 4)
2045 data.ioc_inllen1 = strlen(argv[1]) + 1;
2046 data.ioc_inlbuf1 = argv[1];
2048 data.ioc_inllen2 = strlen(argv[2]) + 1;
2049 data.ioc_inlbuf2 = argv[2];
2050 data.ioc_inllen3 = strlen(argv[3]) + 1;
2051 data.ioc_inlbuf3 = argv[3];
2053 char from[2] = "1", to[3] = "-1";
2054 data.ioc_inllen2 = strlen(from) + 1;
2055 data.ioc_inlbuf2 = from;
2056 data.ioc_inllen3 = strlen(to) + 1;
2057 data.ioc_inlbuf3 = to;
2059 data.ioc_inllen4 = max - size_round(sizeof(data)) -
2060 size_round(data.ioc_inllen1) -
2061 size_round(data.ioc_inllen2) -
2062 size_round(data.ioc_inllen3);
2063 IOC_PACK(argv[0], data);
2065 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
2067 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2069 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
2074 int jt_llog_remove(int argc, char **argv)
2076 struct obd_ioctl_data data;
2079 if (argc != 3 && argc != 2)
2083 data.ioc_inllen1 = strlen(argv[1]) + 1;
2084 data.ioc_inlbuf1 = argv[1];
2086 data.ioc_inllen2 = strlen(argv[2]) + 1;
2087 data.ioc_inlbuf2 = argv[2];
2089 IOC_PACK(argv[0], data);
2091 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
2094 fprintf(stdout, "log %s are removed.\n", argv[2]);
2096 fprintf(stdout, "the log in catalog %s are removed. \n", argv[1]);
2098 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
2104 /* attach a regular file to virtual block device.
2107 * 1: error, it always means the command run failed
2110 static int jt_blockdev_run_process(const char *file, char *argv[])
2116 if (pid == 0) { /* child process */
2117 /* don't print error messages */
2119 (void)execvp(file, argv);
2121 } else if (pid > 0) {
2124 rc = waitpid(pid, &status, 0);
2125 if (rc < 0 || !WIFEXITED(status))
2128 return WEXITSTATUS(status);
2134 static int jt_blockdev_find_module(const char *module)
2140 fp = fopen("/proc/modules", "r");
2144 while (fscanf(fp, "%s %*s %*s %*s %*s %*s", modname) == 1) {
2145 if (strcmp(module, modname) == 0) {
2155 static int jt_blockdev_probe_module(const char *module)
2161 if (jt_blockdev_find_module(module) == 1)
2164 /* run modprobe first */
2166 argv[c++] = "/sbin/modprobe";
2168 argv[c++] = (char *)module;
2170 rc = jt_blockdev_run_process("modprobe", argv);
2174 /* cannot find the module in default directory ... */
2175 sprintf(buf, "../llite/%s.ko", module);
2177 argv[c++] = "/sbin/insmod";
2180 rc = jt_blockdev_run_process("insmod", argv);
2184 int jt_blockdev_attach(int argc, char **argv)
2188 char *filename, *devname;
2194 if (jt_blockdev_probe_module("llite_lloop") < 0) {
2195 fprintf(stderr, "error: cannot find module llite_lloop.(k)o\n");
2202 fd = open(filename, O_RDWR);
2204 fprintf(stderr, "file %s can't be opened(%s)\n\n",
2205 filename, strerror(errno));
2209 rc = ioctl(fd, LL_IOC_LLOOP_ATTACH, &dev);
2212 fprintf(stderr, "attach error(%s)\n", strerror(rc));
2216 rc = stat(devname, &st);
2217 if (rc == 0 && (!S_ISBLK(st.st_mode) || st.st_rdev != dev)) {
2219 } else if (rc < 0) {
2220 if (errno == ENOENT &&
2221 !mknod(devname, S_IFBLK|S_IRUSR|S_IWUSR, dev))
2228 fprintf(stderr, "error: the file %s could be attached to block "
2229 "device %X but creating %s failed: %s\n"
2230 "now detaching the block device..",
2231 filename, (int)dev, devname, strerror(rc));
2233 (void)ioctl(fd, LL_IOC_LLOOP_DETACH_BYDEV, dev);
2234 fprintf(stderr, "%s\n", strerror(errno));
2241 int jt_blockdev_detach(int argc, char **argv)
2250 fd = open(filename, O_RDONLY);
2252 fprintf(stderr, "cannot open file %s error %s\n",
2253 filename, strerror(errno));
2257 rc = ioctl(fd, LL_IOC_LLOOP_DETACH, 0);
2260 fprintf(stderr, "detach error(%s)\n", strerror(rc));
2262 (void)unlink(filename);
2269 int jt_blockdev_info(int argc, char **argv)
2279 fd = open(filename, O_RDONLY);
2281 fprintf(stderr, "cannot open file %s error: %s\n",
2282 filename, strerror(errno));
2286 rc = ioctl(fd, LL_IOC_LLOOP_INFO, &ino);
2289 fprintf(stderr, "error: %s\n", strerror(errno));
2292 fprintf(stdout, "lloop device info: ");
2294 fprintf(stdout, "Not attached\n");
2296 fprintf(stdout, "attached to inode "LPU64"\n", ino);
2302 static void signal_server(int sig)
2304 if (sig == SIGINT) {
2305 do_disconnect("sigint", 1);
2308 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
2311 int obd_initialize(int argc, char **argv)
2315 for (i = 0; i < MAX_STRIPES; i++)
2316 lsm_buffer.lsm.lsm_oinfo[i] = lov_oinfos + i;
2319 register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH,
2320 OBD_DEV_MAJOR, OBD_DEV_MINOR);
2325 void obd_finalize(int argc, char **argv)
2327 struct sigaction sigact;
2329 sigact.sa_handler = signal_server;
2330 sigfillset(&sigact.sa_mask);
2331 sigact.sa_flags = SA_RESTART;
2332 sigaction(SIGINT, &sigact, NULL);
2335 do_disconnect(argv[0], 1);