1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2002 Cluster File Systems, Inc.
5 * Author: Peter J. Braam <braam@clusterfs.com>
6 * Author: Phil Schwan <phil@clusterfs.com>
7 * Author: Andreas Dilger <adilger@clusterfs.com>
8 * Author: Robert Read <rread@clusterfs.com>
10 * This file is part of Lustre, http://www.lustre.org.
12 * Lustre is free software; you can redistribute it and/or
13 * modify it under the terms of version 2 of the GNU General Public
14 * License as published by the Free Software Foundation.
16 * Lustre is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with Lustre; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <sys/ioctl.h>
30 #include <sys/socket.h>
31 #include <sys/types.h>
41 #include <obd.h> /* for struct lov_stripe_md */
42 #include <lustre/lustre_build_version.h>
51 #ifdef HAVE_ASM_PAGE_H
52 #include <asm/page.h> /* needed for PAGE_SIZE - rread */
55 #include <obd_class.h>
56 #include <lnet/lnetctl.h>
61 #define MAX_STRING_SIZE 128
62 #define DEVICES_LIST "/proc/fs/lustre/devices"
69 #define MAX_THREADS 1024
72 __u64 counters[MAX_THREADS];
73 __u64 offsets[MAX_THREADS];
81 static struct shared_data *shared_data;
82 static __u64 counter_snapshot[2][MAX_THREADS];
83 static int prev_valid;
84 static struct timeval prev_time;
89 const int nthreads = 1;
92 static char rawbuf[8192];
93 static char *buf = rawbuf;
94 static int max = sizeof(rawbuf);
96 static int cur_device = -1;
98 #define MAX_STRIPES 170
99 struct lov_oinfo lov_oinfos[MAX_STRIPES];
102 struct lov_stripe_md lsm;
103 struct lov_oinfo *ptrs[MAX_STRIPES];
106 static int l2_ioctl(int dev_id, int opc, void *buf)
108 return l_ioctl(dev_id, opc, buf);
111 #define IOC_INIT(data) \
113 memset(&data, 0, sizeof(data)); \
114 data.ioc_dev = cur_device; \
117 #define IOC_PACK(func, data) \
119 memset(buf, 0, sizeof(rawbuf)); \
120 if (obd_ioctl_pack(&data, &buf, max)) { \
121 fprintf(stderr, "error: %s: invalid ioctl\n", \
127 #define IOC_UNPACK(func, data) \
129 if (obd_ioctl_unpack(&data, buf, max)) { \
130 fprintf(stderr, "error: %s: invalid reply\n", \
136 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
138 struct obd_ioctl_data data;
142 data.ioc_type = LUSTRE_CFG_TYPE;
143 data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
145 data.ioc_pbuf1 = (void *)lcfg;
146 IOC_PACK(func, data);
148 rc = l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
153 static int do_device(char *func, char *devname);
155 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
157 struct obd_ioctl_data data;
158 static int mgs_device = -1;
162 /* Always operates on MGS dev */
163 if (mgs_device == -1) {
164 do_disconnect(NULL, 1);
165 rc = do_device("mgsioc", mgs);
170 mgs_device = cur_device;
174 data.ioc_dev = mgs_device;
175 data.ioc_type = LUSTRE_CFG_TYPE;
176 data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
178 data.ioc_pbuf1 = (void *)lcfg;
179 IOC_PACK(func, data);
181 rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
184 fprintf(stderr, "Is the MGS running on this node?\n");
186 fprintf(stderr, "Make sure cfg_device is set first.\n");
188 fprintf(stderr, "cfg_device should be of the form "
189 "'lustre-MDT0000'\n");
194 char *obdo_print(struct obdo *obd)
198 sprintf(buf, "id: "LPX64"\ngrp: "LPX64"\natime: "LPU64"\nmtime: "LPU64
199 "\nctime: "LPU64"\nsize: "LPU64"\nblocks: "LPU64
200 "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
201 "misc: %x\nnlink: %d,\nvalid "LPX64"\n",
202 obd->o_id, obd->o_gr, obd->o_atime, obd->o_mtime, obd->o_ctime,
203 obd->o_size, obd->o_blocks, obd->o_blksize, obd->o_mode,
204 obd->o_uid, obd->o_gid, obd->o_flags, obd->o_misc,
205 obd->o_nlink, obd->o_valid);
210 #define BAD_VERBOSE (-999999999)
212 #define N2D_OFF 0x100 /* So we can tell between error codes and devices */
214 static int do_name2dev(char *func, char *name)
216 struct obd_ioctl_data data;
221 data.ioc_inllen1 = strlen(name) + 1;
222 data.ioc_inlbuf1 = name;
224 IOC_PACK(func, data);
225 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
228 IOC_UNPACK(func, data);
230 return data.ioc_dev + N2D_OFF;
234 * resolve a device name to a device number.
235 * supports a number, $name or %uuid.
237 int parse_devname(char *func, char *name)
244 if (isdigit(name[0])) {
245 ret = strtoul(name, NULL, 0);
247 if (name[0] == '$' || name[0] == '%')
249 rc = do_name2dev(func, name);
252 // printf("Name %s is device %d\n", name, ret);
254 fprintf(stderr, "No device found for name %s: %s\n",
262 reset_lsmb (struct lsm_buffer *lsmb)
264 memset (&lsmb->lsm, 0, sizeof (lsmb->lsm));
265 memset(lov_oinfos, 0, sizeof(lov_oinfos));
266 lsmb->lsm.lsm_magic = LOV_MAGIC;
270 parse_lsm (struct lsm_buffer *lsmb, char *string)
272 struct lov_stripe_md *lsm = &lsmb->lsm;
277 * object_id[=size#count[@offset:id]*]
282 lsm->lsm_object_id = strtoull (string, &end, 0);
294 lsm->lsm_stripe_size = strtoul (string, &end, 0);
303 lsm->lsm_stripe_count = strtoul (string, &end, 0);
308 if (*string == 0) /* don't have to specify obj ids */
311 for (i = 0; i < lsm->lsm_stripe_count; i++) {
315 lsm->lsm_oinfo[i]->loi_ost_idx = strtoul(string, &end, 0);
319 lsm->lsm_oinfo[i]->loi_id = strtoull(string, &end, 0);
329 char *jt_cmdname(char *func)
331 static char buf[512];
334 sprintf(buf, "%s-%d", func, thread);
341 #define difftime(a, b) \
342 ((a)->tv_sec - (b)->tv_sec + \
343 ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
345 static int be_verbose(int verbose, struct timeval *next_time,
346 __u64 num, __u64 *next_num, int num_total)
353 if (next_time != NULL)
354 gettimeofday(&now, NULL);
356 /* A positive verbosity means to print every X iterations */
357 if (verbose > 0 && (num >= *next_num || num >= num_total)) {
358 *next_num += verbose;
360 next_time->tv_sec = now.tv_sec - verbose;
361 next_time->tv_usec = now.tv_usec;
366 /* A negative verbosity means to print at most each X seconds */
367 if (verbose < 0 && next_time != NULL &&
368 difftime(&now, next_time) >= 0.0){
369 next_time->tv_sec = now.tv_sec - verbose;
370 next_time->tv_usec = now.tv_usec;
378 static int get_verbose(char *func, const char *arg)
383 if (!arg || arg[0] == 'v')
385 else if (arg[0] == 's' || arg[0] == 'q')
388 verbose = (int)strtoul(arg, &end, 0);
390 fprintf(stderr, "error: %s: bad verbose option '%s'\n",
391 jt_cmdname(func), arg);
397 printf("Print status every %d seconds\n", -verbose);
398 else if (verbose == 1)
399 printf("Print status every operation\n");
400 else if (verbose > 1)
401 printf("Print status every %d operations\n", verbose);
406 int do_disconnect(char *func, int verbose)
408 lcfg_set_devname(NULL);
414 static void shmem_setup(void)
416 /* Create new segment */
417 int shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
420 fprintf(stderr, "Can't create shared data: %s\n",
425 /* Attatch to new segment */
426 shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
428 if (shared_data == (struct shared_data *)(-1)) {
429 fprintf(stderr, "Can't attach shared data: %s\n",
435 /* Mark segment as destroyed, so it will disappear when we exit.
436 * Forks will inherit attached segments, so we should be OK.
438 if (shmctl(shmid, IPC_RMID, NULL) == -1) {
439 fprintf(stderr, "Can't destroy shared data: %s\n",
444 static inline void shmem_lock(void)
446 l_mutex_lock(&shared_data->mutex);
449 static inline void shmem_unlock(void)
451 l_mutex_unlock(&shared_data->mutex);
454 static inline void shmem_reset(int total_threads)
456 if (shared_data == NULL)
459 memset(shared_data, 0, sizeof(*shared_data));
460 l_mutex_init(&shared_data->mutex);
461 l_cond_init(&shared_data->cond);
462 memset(counter_snapshot, 0, sizeof(counter_snapshot));
464 shared_data->barrier = total_threads;
467 static inline void shmem_bump(void)
469 static int bumped_running;
471 if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
475 shared_data->counters[thread - 1]++;
477 shared_data->running++;
482 static void shmem_snap(int total_threads, int live_threads)
484 struct timeval this_time;
491 if (shared_data == NULL || total_threads > MAX_THREADS)
495 memcpy(counter_snapshot[0], shared_data->counters,
496 total_threads * sizeof(counter_snapshot[0][0]));
497 running = shared_data->running;
500 gettimeofday(&this_time, NULL);
502 for (i = 0; i < total_threads; i++) {
503 long long this_count =
504 counter_snapshot[0][i] - counter_snapshot[1][i];
506 if (this_count != 0) {
512 secs = (this_time.tv_sec + this_time.tv_usec / 1000000.0) -
513 (prev_time.tv_sec + prev_time.tv_usec / 1000000.0);
516 live_threads == total_threads &&
517 secs > 0.0) /* someone screwed with the time? */
518 printf("%d/%d Total: %f/second\n", non_zero, total_threads, total / secs);
520 memcpy(counter_snapshot[1], counter_snapshot[0],
521 total_threads * sizeof(counter_snapshot[0][0]));
522 prev_time = this_time;
524 running == total_threads)
528 static void shmem_stop(void)
530 if (shared_data == NULL)
533 shared_data->stop = 1;
536 static int shmem_running(void)
538 return (shared_data == NULL ||
542 static void shmem_setup(void)
546 static inline void shmem_reset(int total_threads)
550 static inline void shmem_bump(void)
554 static void shmem_lock()
558 static void shmem_unlock()
562 static void shmem_stop(void)
566 static int shmem_running(void)
572 extern command_t cmdlist[];
574 static int do_device(char *func, char *devname)
578 dev = parse_devname(func, devname);
582 lcfg_set_devname(devname);
587 int jt_obd_get_device()
592 int jt_obd_device(int argc, char **argv)
600 printf("current device is %d - %s\n",
601 cur_device, lcfg_get_devname() ? : "not set");
604 rc = do_device("device", argv[1]);
608 int jt_opt_device(int argc, char **argv)
616 rc = do_device("device", argv[1]);
619 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
621 ret = do_disconnect(argv[0], 0);
629 static void parent_sighandler (int sig)
634 int jt_opt_threads(int argc, char **argv)
636 static char cmdstr[128];
639 struct sigaction sigact;
640 struct sigaction saveact1;
641 struct sigaction saveact2;
642 unsigned long threads;
646 int report_count = -1;
653 threads = strtoul(argv[1], &end, 0);
656 report_count = strtoul(end + 1, &end, 0);
658 if (*end || threads > MAX_THREADS) {
659 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
660 jt_cmdname(argv[0]), argv[1]);
664 verbose = get_verbose(argv[0], argv[2]);
665 if (verbose == BAD_VERBOSE)
669 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
670 for (i = 5; i < argc; i++)
671 snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
674 printf("%s: starting %ld threads on device %s running %s\n",
675 argv[0], threads, argv[3], cmdstr);
678 shmem_reset(threads);
680 sigemptyset(&sigset);
681 sigaddset(&sigset, SIGALRM);
682 sigaddset(&sigset, SIGCHLD);
683 sigprocmask(SIG_BLOCK, &sigset, &saveset);
687 for (i = 1, next_thread = verbose; i <= threads; i++) {
690 fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
691 strerror(rc = errno));
693 } else if (rc == 0) {
694 sigprocmask(SIG_SETMASK, &saveset, NULL);
697 argv[2] = "--device";
698 return jt_opt_device(argc - 2, argv + 2);
699 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
700 printf("%s: thread #%d (PID %d) started\n",
705 if (!thread) { /* parent process */
706 int live_threads = threads;
708 sigemptyset(&sigset);
709 sigemptyset(&sigact.sa_mask);
710 sigact.sa_handler = parent_sighandler;
713 sigaction(SIGALRM, &sigact, &saveact1);
714 sigaction(SIGCHLD, &sigact, &saveact2);
716 while (live_threads > 0) {
720 if (verbose < 0) /* periodic stats */
726 while (live_threads > 0) {
727 ret = waitpid(0, &status, WNOHANG);
732 fprintf(stderr, "error: %s: wait - %s\n",
733 argv[0], strerror(errno));
739 * This is a hack. We _should_ be able
740 * to use WIFEXITED(status) to see if
741 * there was an error, but it appears
742 * to be broken and it always returns 1
745 int err = WEXITSTATUS(status);
746 if (err || WIFSIGNALED(status))
748 "%s: PID %d had rc=%d\n",
757 /* Show stats while all threads running */
759 shmem_snap(threads, live_threads);
760 if (report_count > 0 && --report_count == 0)
764 sigaction(SIGCHLD, &saveact2, NULL);
765 sigaction(SIGALRM, &saveact1, NULL);
768 sigprocmask(SIG_SETMASK, &saveset, NULL);
773 int jt_opt_threads(int argc, char **argv)
775 fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
776 jt_cmdname(argv[0]));
781 int jt_opt_net(int argc, char **argv)
792 rc = jt_ptl_network (2, arg2);
795 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
800 int jt_obd_no_transno(int argc, char **argv)
802 struct obd_ioctl_data data;
810 IOC_PACK(argv[0], data);
811 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
813 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
814 strerror(rc = errno));
819 int jt_obd_set_readonly(int argc, char **argv)
821 struct obd_ioctl_data data;
829 IOC_PACK(argv[0], data);
830 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
832 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
833 strerror(rc = errno));
838 int jt_obd_abort_recovery(int argc, char **argv)
840 struct obd_ioctl_data data;
848 IOC_PACK(argv[0], data);
849 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
851 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
852 strerror(rc = errno));
857 int jt_get_version(int argc, char **argv)
861 struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
866 memset(buf, 0, sizeof(buf));
867 data->ioc_version = OBD_IOCTL_VERSION;
868 data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
869 data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
870 data->ioc_len = obd_ioctl_packlen(data);
872 rc = l2_ioctl(OBD_DEV_ID, OBD_GET_VERSION, buf);
874 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
875 strerror(rc = errno));
877 printf("Lustre version: %s\n", data->ioc_bulk);
880 printf("lctl version: %s\n", BUILD_VERSION);
884 /* get device list by ioctl */
885 int jt_obd_list_ioctl(int argc, char **argv)
889 struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
894 for (index = 0;; index++) {
895 memset(buf, 0, sizeof(buf));
896 data->ioc_version = OBD_IOCTL_VERSION;
897 data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
898 data->ioc_inlbuf1 = buf + size_round(sizeof(*data));
899 data->ioc_len = obd_ioctl_packlen(data);
900 data->ioc_count = index;
902 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETDEVICE, buf);
905 printf("%s\n", (char *)data->ioc_bulk);
909 /* no device or the last device */
912 fprintf(stderr, "Error getting device list: %s: "
919 int jt_obd_list(int argc, char **argv)
922 char buf[MAX_STRING_SIZE];
928 fp = fopen(DEVICES_LIST, "r");
930 fprintf(stderr, "error: %s: %s opening "DEVICES_LIST"\n",
931 jt_cmdname(argv[0]), strerror(rc = errno));
932 return jt_obd_list_ioctl(argc, argv);
935 while (fgets(buf, sizeof(buf), fp) != NULL)
945 /* Create one or more objects, arg[4] may describe stripe meta-data. If
946 * not, defaults assumed. This echo-client instance stashes the stripe
947 * object ids. Use get_stripe on this node to print full lsm and
948 * set_stripe on another node to cut/paste between nodes.
950 /* create <count> [<file_create_mode>] [q|v|# verbosity] [striping] */
951 int jt_obd_create(int argc, char **argv)
953 struct obd_ioctl_data data;
954 struct timeval next_time;
955 __u64 count = 1, next_count, base_id = 0;
956 int verbose = 1, mode = 0100644, rc = 0, i, valid_lsm = 0;
960 if (argc < 2 || argc > 5)
963 count = strtoull(argv[1], &end, 0);
965 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
966 jt_cmdname(argv[0]), argv[1]);
971 mode = strtoul(argv[2], &end, 0);
973 fprintf(stderr, "error: %s: invalid mode '%s'\n",
974 jt_cmdname(argv[0]), argv[2]);
977 if (!(mode & S_IFMT))
982 verbose = get_verbose(argv[0], argv[3]);
983 if (verbose == BAD_VERBOSE)
988 reset_lsmb (&lsm_buffer); /* will set default */
990 rc = parse_lsm (&lsm_buffer, argv[4]);
992 fprintf(stderr, "error: %s: invalid lsm '%s'\n",
993 jt_cmdname(argv[0]), argv[4]);
996 base_id = lsm_buffer.lsm.lsm_object_id;
1000 printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1001 gettimeofday(&next_time, NULL);
1002 next_time.tv_sec -= verbose;
1004 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1005 data.ioc_obdo1.o_mode = mode;
1006 data.ioc_obdo1.o_id = base_id;
1007 data.ioc_obdo1.o_uid = 0;
1008 data.ioc_obdo1.o_gid = 0;
1009 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1010 OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID;
1013 data.ioc_plen1 = sizeof lsm_buffer;
1014 data.ioc_pbuf1 = (char *)&lsm_buffer;
1017 IOC_PACK(argv[0], data);
1018 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1019 IOC_UNPACK(argv[0], data);
1022 fprintf(stderr, "error: %s: #%d - %s\n",
1023 jt_cmdname(argv[0]), i, strerror(rc = errno));
1026 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1027 fprintf(stderr,"error: %s: oid not valid #%d:"LPX64"\n",
1028 jt_cmdname(argv[0]), i, data.ioc_obdo1.o_valid);
1033 if (be_verbose(verbose, &next_time, i, &next_count, count))
1034 printf("%s: #%d is object id "LPX64"\n",
1035 jt_cmdname(argv[0]), i, data.ioc_obdo1.o_id);
1040 int jt_obd_setattr(int argc, char **argv)
1042 struct obd_ioctl_data data;
1050 data.ioc_obdo1.o_id = strtoull(argv[1], &end, 0);
1052 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1053 jt_cmdname(argv[0]), argv[1]);
1056 data.ioc_obdo1.o_mode = S_IFREG | strtoul(argv[2], &end, 0);
1058 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1059 jt_cmdname(argv[0]), argv[2]);
1062 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1064 IOC_PACK(argv[0], data);
1065 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1067 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1068 strerror(rc = errno));
1073 int jt_obd_test_setattr(int argc, char **argv)
1075 struct obd_ioctl_data data;
1076 struct timeval start, next_time;
1077 __u64 i, count, next_count;
1083 if (argc < 2 || argc > 4)
1087 count = strtoull(argv[1], &end, 0);
1089 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1090 jt_cmdname(argv[0]), argv[1]);
1095 verbose = get_verbose(argv[0], argv[2]);
1096 if (verbose == BAD_VERBOSE)
1101 if (argv[3][0] == 't') {
1102 objid = strtoull(argv[3] + 1, &end, 0);
1104 objid += thread - 1;
1106 objid = strtoull(argv[3], &end, 0);
1108 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1109 jt_cmdname(argv[0]), argv[3]);
1114 gettimeofday(&start, NULL);
1115 next_time.tv_sec = start.tv_sec - verbose;
1116 next_time.tv_usec = start.tv_usec;
1118 printf("%s: setting "LPD64" attrs (objid "LPX64"): %s",
1119 jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1121 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1122 data.ioc_obdo1.o_id = objid;
1123 data.ioc_obdo1.o_mode = S_IFREG;
1124 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1125 IOC_PACK(argv[0], data);
1126 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1129 fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1130 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1134 (verbose, &next_time, i, &next_count, count))
1135 printf("%s: set attr #"LPD64"\n",
1136 jt_cmdname(argv[0]), i);
1144 gettimeofday(&end, NULL);
1146 diff = difftime(&end, &start);
1150 printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1151 jt_cmdname(argv[0]), i, diff, i / diff,
1152 ctime(&end.tv_sec));
1157 int jt_obd_destroy(int argc, char **argv)
1159 struct obd_ioctl_data data;
1160 struct timeval next_time;
1161 __u64 count = 1, next_count;
1168 if (argc < 2 || argc > 4)
1171 id = strtoull(argv[1], &end, 0);
1172 if (*end || id == 0 || errno != 0) {
1173 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1174 jt_cmdname(argv[0]), argv[1]);
1178 count = strtoull(argv[2], &end, 0);
1181 "error: %s: invalid iteration count '%s'\n",
1182 jt_cmdname(argv[0]), argv[2]);
1188 verbose = get_verbose(argv[0], argv[3]);
1189 if (verbose == BAD_VERBOSE)
1193 printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1194 gettimeofday(&next_time, NULL);
1195 next_time.tv_sec -= verbose;
1197 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1198 data.ioc_obdo1.o_id = id;
1199 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1200 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1202 IOC_PACK(argv[0], data);
1203 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1204 IOC_UNPACK(argv[0], data);
1207 fprintf(stderr, "error: %s: objid "LPX64": %s\n",
1208 jt_cmdname(argv[0]), id, strerror(rc = errno));
1212 if (be_verbose(verbose, &next_time, i, &next_count, count))
1213 printf("%s: #%d is object id "LPX64"\n",
1214 jt_cmdname(argv[0]), i, id);
1220 int jt_obd_getattr(int argc, char **argv)
1222 struct obd_ioctl_data data;
1230 data.ioc_obdo1.o_id = strtoull(argv[1], &end, 0);
1232 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1233 jt_cmdname(argv[0]), argv[1]);
1236 /* to help obd filter */
1237 data.ioc_obdo1.o_mode = 0100644;
1238 data.ioc_obdo1.o_valid = 0xffffffff;
1239 printf("%s: object id "LPX64"\n", jt_cmdname(argv[0]),data.ioc_obdo1.o_id);
1241 IOC_PACK(argv[0], data);
1242 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1243 IOC_UNPACK(argv[0], data);
1245 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1246 strerror(rc = errno));
1248 printf("%s: object id "LPX64", mode %o\n", jt_cmdname(argv[0]),
1249 data.ioc_obdo1.o_id, data.ioc_obdo1.o_mode);
1254 int jt_obd_test_getattr(int argc, char **argv)
1256 struct obd_ioctl_data data;
1257 struct timeval start, next_time;
1258 __u64 i, count, next_count;
1264 if (argc < 2 || argc > 4)
1268 count = strtoull(argv[1], &end, 0);
1270 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1271 jt_cmdname(argv[0]), argv[1]);
1276 verbose = get_verbose(argv[0], argv[2]);
1277 if (verbose == BAD_VERBOSE)
1282 if (argv[3][0] == 't') {
1283 objid = strtoull(argv[3] + 1, &end, 0);
1285 objid += thread - 1;
1287 objid = strtoull(argv[3], &end, 0);
1289 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1290 jt_cmdname(argv[0]), argv[3]);
1295 gettimeofday(&start, NULL);
1296 next_time.tv_sec = start.tv_sec - verbose;
1297 next_time.tv_usec = start.tv_usec;
1299 printf("%s: getting "LPD64" attrs (objid "LPX64"): %s",
1300 jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1302 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1303 data.ioc_obdo1.o_id = objid;
1304 data.ioc_obdo1.o_mode = S_IFREG;
1305 data.ioc_obdo1.o_valid = 0xffffffff;
1306 IOC_PACK(argv[0], data);
1307 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1310 fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1311 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1315 (verbose, &next_time, i, &next_count, count))
1316 printf("%s: got attr #"LPD64"\n",
1317 jt_cmdname(argv[0]), i);
1325 gettimeofday(&end, NULL);
1327 diff = difftime(&end, &start);
1331 printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1332 jt_cmdname(argv[0]), i, diff, i / diff,
1333 ctime(&end.tv_sec));
1338 /* test_brw <cnt> count
1339 <r|w[r(repeat)x(noverify)]> mode
1340 <q|v|#(print interval)> verbosity
1341 <npages[+offset]> blocksize
1342 <[[<interleave_threads>]t(inc obj by thread#)]obj> object
1343 [p|g<args>] batch */
1344 int jt_obd_test_brw(int argc, char **argv)
1346 struct obd_ioctl_data data;
1347 struct timeval start, next_time;
1348 __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1349 int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1350 int offset_pages = 0;
1352 int repeat_offset = 0;
1353 unsigned long long ull;
1354 int nthr_per_obj = 0;
1359 if (argc < 2 || argc > 7) {
1360 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1361 jt_cmdname(argv[0]), argc);
1365 count = strtoull(argv[1], &end, 0);
1367 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1368 jt_cmdname(argv[0]), argv[1]);
1373 if (argv[2][0] == 'w' || argv[2][0] == '1')
1375 /* else it's a read */
1377 if (argv[2][0] != 0)
1378 for (i = 1; argv[2][i] != 0; i++)
1379 switch (argv[2][i]) {
1389 fprintf (stderr, "Can't parse cmd '%s'\n",
1396 verbose = get_verbose(argv[0], argv[3]);
1397 if (verbose == BAD_VERBOSE)
1402 pages = strtoul(argv[4], &end, 0);
1405 offset_pages = strtoul(end + 1, &end, 0);
1408 offset_pages < 0 || offset_pages >= pages) {
1409 fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
1410 jt_cmdname(argv[0]), argv[4]);
1417 (n = strtol(argv[5], &end, 0)) > 0 &&
1419 (ull = strtoull(end + 1, &end, 0)) > 0 &&
1423 } else if (thread &&
1424 argv[5][0] == 't') {
1426 objid = strtoull(argv[5] + 1, &end, 0);
1429 objid = strtoull(argv[5], &end, 0);
1432 fprintf(stderr, "error: %s: bad objid '%s'\n",
1433 jt_cmdname(argv[0]), argv[5]);
1440 /* communicate the 'type' of brw test and batching to echo_client.
1441 * don't start. we'd love to refactor this lctl->echo_client
1443 data.ioc_pbuf1 = (void *)1;
1447 switch(argv[6][0]) {
1448 case 'g': /* plug and unplug */
1449 data.ioc_pbuf1 = (void *)2;
1450 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1453 case 'p': /* prep and commit */
1454 data.ioc_pbuf1 = (void *)3;
1455 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1459 fprintf(stderr, "error: %s: batching '%s' "
1460 "needs to specify 'p' or 'g'\n",
1461 jt_cmdname(argv[0]), argv[6]);
1466 fprintf(stderr, "error: %s: bad batching '%s'\n",
1467 jt_cmdname(argv[0]), argv[6]);
1470 data.ioc_plen1 *= getpagesize();
1473 len = pages * getpagesize();
1474 thr_offset = offset_pages * getpagesize();
1480 if (nthr_per_obj != 0) {
1481 /* threads interleave */
1482 obj_idx = (thread - 1)/nthr_per_obj;
1484 stride *= nthr_per_obj;
1486 shared_data->offsets[obj_idx] = stride + thr_offset;
1487 thr_offset += ((thread - 1) % nthr_per_obj) * len;
1489 /* threads disjoint */
1490 thr_offset += (thread - 1) * len;
1493 shared_data->barrier--;
1494 if (shared_data->barrier == 0)
1495 l_cond_broadcast(&shared_data->cond);
1497 l_cond_wait(&shared_data->cond,
1498 &shared_data->mutex);
1504 data.ioc_obdo1.o_id = objid;
1505 data.ioc_obdo1.o_mode = S_IFREG;
1506 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE | OBD_MD_FLFLAGS;
1507 data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
1508 data.ioc_count = len;
1509 data.ioc_offset = (repeat_offset ? 0 : thr_offset);
1511 gettimeofday(&start, NULL);
1512 next_time.tv_sec = start.tv_sec - verbose;
1513 next_time.tv_usec = start.tv_usec;
1516 printf("%s: %s "LPU64"x%d pages (obj "LPX64", off "LPU64"): %s",
1517 jt_cmdname(argv[0]), write ? "writing" : "reading", count,
1518 pages, objid, data.ioc_offset, ctime(&start.tv_sec));
1520 cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
1521 for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1522 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
1523 IOC_PACK(argv[0], data);
1524 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
1527 fprintf(stderr, "error: %s: #%d - %s on %s\n",
1528 jt_cmdname(argv[0]), i, strerror(rc = errno),
1529 write ? "write" : "read");
1531 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
1533 printf("%s: %s number %d @ "LPD64":"LPU64" for %d\n",
1534 jt_cmdname(argv[0]), write ? "write" : "read", i,
1535 data.ioc_obdo1.o_id, data.ioc_offset,
1536 (int)(pages * getpagesize()));
1540 if (!repeat_offset) {
1542 if (stride == len) {
1543 data.ioc_offset += stride;
1544 } else if (i < count) {
1546 data.ioc_offset = shared_data->offsets[obj_idx];
1547 shared_data->offsets[obj_idx] += len;
1551 data.ioc_offset += len;
1552 obj_idx = 0; /* avoids an unused var warning */
1561 gettimeofday(&end, NULL);
1563 diff = difftime(&end, &start);
1567 printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
1568 jt_cmdname(argv[0]), write ? "wrote" : "read",
1570 ((double)i * pages * getpagesize()) /
1572 ctime(&end.tv_sec));
1578 int jt_obd_lov_getconfig(int argc, char **argv)
1580 struct obd_ioctl_data data;
1581 struct lov_desc desc;
1582 struct obd_uuid *uuidarray;
1593 fd = open(path, O_RDONLY);
1595 fprintf(stderr, "open \"%s\" failed: %s\n", path,
1600 memset(&desc, 0, sizeof(desc));
1601 obd_str2uuid(&desc.ld_uuid, argv[1]);
1602 desc.ld_tgt_count = ((OBD_MAX_IOCTL_BUFFER-sizeof(data)-sizeof(desc)) /
1603 (sizeof(*uuidarray) + sizeof(*obdgens)));
1607 uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
1609 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
1610 jt_cmdname(argv[0]), desc.ld_tgt_count);
1614 obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
1616 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
1617 jt_cmdname(argv[0]), desc.ld_tgt_count);
1622 data.ioc_inllen1 = sizeof(desc);
1623 data.ioc_inlbuf1 = (char *)&desc;
1624 data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
1625 data.ioc_inlbuf2 = (char *)uuidarray;
1626 data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
1627 data.ioc_inlbuf3 = (char *)obdgens;
1629 if (obd_ioctl_pack(&data, &buf, max)) {
1630 fprintf(stderr, "error: %s: invalid ioctl\n",
1631 jt_cmdname(argv[0]));
1635 rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
1636 if (rc == -ENOSPC) {
1641 fprintf(stderr, "error: %s: ioctl error: %s\n",
1642 jt_cmdname(argv[0]), strerror(rc = errno));
1644 struct obd_uuid *uuidp;
1648 if (obd_ioctl_unpack(&data, buf, max)) {
1649 fprintf(stderr, "error: %s: invalid reply\n",
1650 jt_cmdname(argv[0]));
1654 if (desc.ld_default_stripe_count == (__u32)-1)
1655 printf("default_stripe_count: %d\n", -1);
1657 printf("default_stripe_count: %u\n",
1658 desc.ld_default_stripe_count);
1659 printf("default_stripe_size: "LPU64"\n",
1660 desc.ld_default_stripe_size);
1661 printf("default_stripe_offset: "LPU64"\n",
1662 desc.ld_default_stripe_offset);
1663 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
1664 printf("obd_count: %u\n", desc.ld_tgt_count);
1665 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
1668 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
1669 printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
1680 int jt_obd_ldlm_regress_start(int argc, char **argv)
1683 struct obd_ioctl_data data;
1684 char argstring[200];
1685 int i, count = sizeof(argstring) - 1;
1691 argstring[0] = '\0';
1692 for (i = 1; i < argc; i++) {
1693 strncat(argstring, " ", count);
1695 strncat(argstring, argv[i], count);
1696 count -= strlen(argv[i]);
1699 if (strlen(argstring)) {
1700 data.ioc_inlbuf1 = argstring;
1701 data.ioc_inllen1 = strlen(argstring) + 1;
1704 IOC_PACK(argv[0], data);
1705 rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_START, buf);
1707 fprintf(stderr, "error: %s: test failed: %s\n",
1708 jt_cmdname(argv[0]), strerror(rc = errno));
1713 int jt_obd_ldlm_regress_stop(int argc, char **argv)
1716 struct obd_ioctl_data data;
1722 IOC_PACK(argv[0], data);
1723 rc = l2_ioctl(OBD_DEV_ID, IOC_LDLM_REGRESS_STOP, buf);
1726 fprintf(stderr, "error: %s: test failed: %s\n",
1727 jt_cmdname(argv[0]), strerror(rc = errno));
1731 static int do_activate(int argc, char **argv, int flag)
1733 struct obd_ioctl_data data;
1740 /* reuse offset for 'active' */
1741 data.ioc_offset = flag;
1743 IOC_PACK(argv[0], data);
1744 rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
1746 fprintf(stderr, "error: %s: failed: %s\n",
1747 jt_cmdname(argv[0]), strerror(rc = errno));
1752 int jt_obd_deactivate(int argc, char **argv)
1754 return do_activate(argc, argv, 0);
1757 int jt_obd_activate(int argc, char **argv)
1759 return do_activate(argc, argv, 1);
1762 int jt_obd_recover(int argc, char **argv)
1765 struct obd_ioctl_data data;
1772 data.ioc_inllen1 = strlen(argv[1]) + 1;
1773 data.ioc_inlbuf1 = argv[1];
1776 IOC_PACK(argv[0], data);
1777 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
1779 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1780 strerror(rc = errno));
1786 int jt_obd_mdc_lookup(int argc, char **argv)
1788 struct obd_ioctl_data data;
1789 char *parent, *child;
1790 int rc, fd, verbose = 1;
1792 if (argc < 3 || argc > 4)
1798 verbose = get_verbose(argv[0], argv[3]);
1802 data.ioc_inllen1 = strlen(child) + 1;
1803 data.ioc_inlbuf1 = child;
1805 IOC_PACK(argv[0], data);
1807 fd = open(parent, O_RDONLY);
1809 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
1814 rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
1816 fprintf(stderr, "error: %s: ioctl error: %s\n",
1817 jt_cmdname(argv[0]), strerror(rc = errno));
1822 IOC_UNPACK(argv[0], data);
1823 printf("%s: mode %o uid %d gid %d\n", child,
1824 data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
1825 data.ioc_obdo1.o_gid);
1831 int jt_cfg_dump_log(int argc, char **argv)
1833 struct obd_ioctl_data data;
1841 data.ioc_inllen1 = strlen(argv[1]) + 1;
1842 data.ioc_inlbuf1 = argv[1];
1844 IOC_PACK(argv[0], data);
1845 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_DUMP_LOG, buf);
1847 fprintf(stderr, "OBD_IOC_DUMP_LOG failed: %s\n",
1853 int jt_llog_catlist(int argc, char **argv)
1855 struct obd_ioctl_data data;
1862 data.ioc_inllen1 = max - size_round(sizeof(data));
1863 IOC_PACK(argv[0], data);
1865 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
1867 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1869 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
1875 int jt_llog_info(int argc, char **argv)
1877 struct obd_ioctl_data data;
1884 data.ioc_inllen1 = strlen(argv[1]) + 1;
1885 data.ioc_inlbuf1 = argv[1];
1886 data.ioc_inllen2 = max - size_round(sizeof(data)) -
1887 size_round(data.ioc_inllen1);
1888 IOC_PACK(argv[0], data);
1890 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
1892 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1894 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
1900 int jt_llog_print(int argc, char **argv)
1902 struct obd_ioctl_data data;
1905 if (argc != 2 && argc != 4)
1909 data.ioc_inllen1 = strlen(argv[1]) + 1;
1910 data.ioc_inlbuf1 = argv[1];
1912 data.ioc_inllen2 = strlen(argv[2]) + 1;
1913 data.ioc_inlbuf2 = argv[2];
1914 data.ioc_inllen3 = strlen(argv[3]) + 1;
1915 data.ioc_inlbuf3 = argv[3];
1917 char from[2] = "1", to[3] = "-1";
1918 data.ioc_inllen2 = strlen(from) + 1;
1919 data.ioc_inlbuf2 = from;
1920 data.ioc_inllen3 = strlen(to) + 1;
1921 data.ioc_inlbuf3 = to;
1923 data.ioc_inllen4 = max - size_round(sizeof(data)) -
1924 size_round(data.ioc_inllen1) -
1925 size_round(data.ioc_inllen2) -
1926 size_round(data.ioc_inllen3);
1927 IOC_PACK(argv[0], data);
1929 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
1931 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1933 fprintf(stderr, "OBD_IOC_LLOG_PRINT failed: %s\n",
1939 int jt_llog_cancel(int argc, char **argv)
1941 struct obd_ioctl_data data;
1948 data.ioc_inllen1 = strlen(argv[1]) + 1;
1949 data.ioc_inlbuf1 = argv[1];
1950 data.ioc_inllen2 = strlen(argv[2]) + 1;
1951 data.ioc_inlbuf2 = argv[2];
1952 data.ioc_inllen3 = strlen(argv[3]) + 1;
1953 data.ioc_inlbuf3 = argv[3];
1954 IOC_PACK(argv[0], data);
1956 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
1958 fprintf(stdout, "index %s be canceled.\n", argv[3]);
1960 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
1966 int jt_llog_check(int argc, char **argv)
1968 struct obd_ioctl_data data;
1971 if (argc != 2 && argc != 4)
1975 data.ioc_inllen1 = strlen(argv[1]) + 1;
1976 data.ioc_inlbuf1 = argv[1];
1978 data.ioc_inllen2 = strlen(argv[2]) + 1;
1979 data.ioc_inlbuf2 = argv[2];
1980 data.ioc_inllen3 = strlen(argv[3]) + 1;
1981 data.ioc_inlbuf3 = argv[3];
1983 char from[2] = "1", to[3] = "-1";
1984 data.ioc_inllen2 = strlen(from) + 1;
1985 data.ioc_inlbuf2 = from;
1986 data.ioc_inllen3 = strlen(to) + 1;
1987 data.ioc_inlbuf3 = to;
1989 data.ioc_inllen4 = max - size_round(sizeof(data)) -
1990 size_round(data.ioc_inllen1) -
1991 size_round(data.ioc_inllen2) -
1992 size_round(data.ioc_inllen3);
1993 IOC_PACK(argv[0], data);
1995 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
1997 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
1999 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
2004 int jt_llog_remove(int argc, char **argv)
2006 struct obd_ioctl_data data;
2009 if (argc != 3 && argc != 2)
2013 data.ioc_inllen1 = strlen(argv[1]) + 1;
2014 data.ioc_inlbuf1 = argv[1];
2016 data.ioc_inllen2 = strlen(argv[2]) + 1;
2017 data.ioc_inlbuf2 = argv[2];
2019 IOC_PACK(argv[0], data);
2021 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
2024 fprintf(stdout, "log %s are removed.\n", argv[2]);
2026 fprintf(stdout, "the log in catalog %s are removed. \n", argv[1]);
2028 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
2034 /* attach a regular file to virtual block device.
2037 * 1: error, it always means the command run failed
2040 static int jt_blockdev_run_process(const char *file, char *argv[])
2046 if (pid == 0) { /* child process */
2047 /* don't print error messages */
2049 (void)execvp(file, argv);
2051 } else if (pid > 0) {
2054 rc = waitpid(pid, &status, 0);
2055 if (rc < 0 || !WIFEXITED(status))
2058 return WEXITSTATUS(status);
2064 static int jt_blockdev_find_module(const char *module)
2070 fp = fopen("/proc/modules", "r");
2074 while (fscanf(fp, "%s %*s %*s %*s %*s %*s", modname) == 1) {
2075 if (strcmp(module, modname) == 0) {
2085 static int jt_blockdev_probe_module(const char *module)
2091 if (jt_blockdev_find_module(module) == 1)
2094 /* run modprobe first */
2096 argv[c++] = "/sbin/modprobe";
2098 argv[c++] = (char *)module;
2100 rc = jt_blockdev_run_process("modprobe", argv);
2104 /* cannot find the module in default directory ... */
2105 sprintf(buf, "../llite/%s.ko", module);
2107 argv[c++] = "/sbin/insmod";
2110 rc = jt_blockdev_run_process("insmod", argv);
2114 int jt_blockdev_attach(int argc, char **argv)
2118 char *filename, *devname;
2124 if (jt_blockdev_probe_module("llite_lloop") < 0) {
2125 fprintf(stderr, "error: cannot find module llite_lloop.(k)o\n");
2132 fd = open(filename, O_RDWR);
2134 fprintf(stderr, "file %s can't be opened(%s)\n\n",
2135 filename, strerror(errno));
2139 rc = ioctl(fd, LL_IOC_LLOOP_ATTACH, &dev);
2142 fprintf(stderr, "attach error(%s)\n", strerror(rc));
2146 rc = stat(devname, &st);
2147 if (rc == 0 && (!S_ISBLK(st.st_mode) || st.st_rdev != dev)) {
2149 } else if (rc < 0) {
2150 if (errno == ENOENT &&
2151 !mknod(devname, S_IFBLK|S_IRUSR|S_IWUSR, dev))
2158 fprintf(stderr, "error: the file %s could be attached to block "
2159 "device %X but creating %s failed: %s\n"
2160 "now detaching the block device..",
2161 filename, (int)dev, devname, strerror(rc));
2163 (void)ioctl(fd, LL_IOC_LLOOP_DETACH_BYDEV, dev);
2164 fprintf(stderr, "%s\n", strerror(errno));
2171 int jt_blockdev_detach(int argc, char **argv)
2180 fd = open(filename, O_RDONLY);
2182 fprintf(stderr, "cannot open file %s error %s\n",
2183 filename, strerror(errno));
2187 rc = ioctl(fd, LL_IOC_LLOOP_DETACH, 0);
2190 fprintf(stderr, "detach error(%s)\n", strerror(rc));
2192 (void)unlink(filename);
2199 int jt_blockdev_info(int argc, char **argv)
2209 fd = open(filename, O_RDONLY);
2211 fprintf(stderr, "cannot open file %s error: %s\n",
2212 filename, strerror(errno));
2216 rc = ioctl(fd, LL_IOC_LLOOP_INFO, &ino);
2219 fprintf(stderr, "error: %s\n", strerror(errno));
2222 fprintf(stdout, "lloop device info: ");
2224 fprintf(stdout, "Not attached\n");
2226 fprintf(stdout, "attached to inode %llu\n", ino);
2232 static void signal_server(int sig)
2234 if (sig == SIGINT) {
2235 do_disconnect("sigint", 1);
2238 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
2241 int obd_initialize(int argc, char **argv)
2245 for (i = 0; i < MAX_STRIPES; i++)
2246 lsm_buffer.lsm.lsm_oinfo[i] = lov_oinfos + i;
2249 register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH,
2250 OBD_DEV_MAJOR, OBD_DEV_MINOR);
2255 void obd_finalize(int argc, char **argv)
2257 struct sigaction sigact;
2259 sigact.sa_handler = signal_server;
2260 sigfillset(&sigact.sa_mask);
2261 sigact.sa_flags = SA_RESTART;
2262 sigaction(SIGINT, &sigact, NULL);
2265 do_disconnect(argv[0], 1);