*
*/
-
#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdarg.h>
+#include <ctype.h>
+#include <glob.h>
#ifndef __KERNEL__
#include <liblustre.h>
#endif
-#include <linux/lustre_lib.h>
-#include <linux/lustre_cfg.h>
-#include <linux/lustre_idl.h>
-#include <linux/lustre_dlm.h>
-#include <linux/obd.h> /* for struct lov_stripe_md */
-#include <linux/lustre_build_version.h>
+#include <lustre_lib.h>
+#include <lustre_cfg.h>
+#include <lustre/lustre_idl.h>
+#include <lustre_dlm.h>
+#include <obd.h> /* for struct lov_stripe_md */
+#include <obd_lov.h>
+#include <lustre/lustre_build_version.h>
#include <unistd.h>
#include <sys/un.h>
#include "obdctl.h"
-#include <portals/ptlctl.h>
+#include <lnet/lnetctl.h>
#include "parser.h"
#include <stdio.h>
-static char *lcfg_devname;
+static char * lcfg_devname;
-void lcfg_set_devname(char *name)
+int lcfg_set_devname(char *name)
{
- if (lcfg_devname)
- free(lcfg_devname);
- lcfg_devname = strdup(name);
+ if (name) {
+ if (lcfg_devname)
+ free(lcfg_devname);
+ /* quietly strip the unnecessary '$' */
+ if (*name == '$' || *name == '%')
+ name++;
+ if (isdigit(*name)) {
+ /* We can't translate from dev # to name */
+ lcfg_devname = NULL;
+ } else {
+ lcfg_devname = strdup(name);
+ }
+ } else {
+ lcfg_devname = NULL;
+ }
+ return 0;
}
-
-int jt_lcfg_device(int argc, char **argv)
+char * lcfg_get_devname(void)
{
- char *name;
-
- if (argc == 1) {
- printf("current device is %s\n", lcfg_devname? : "not set");
- return 0;
- } else if (argc != 2) {
- return CMD_HELP;
- }
-
- name = argv[1];
-
- /* quietly strip the unnecessary '$' */
- if (*name == '$')
- name++;
-
- lcfg_set_devname(name);
-
- return 0;
+ return lcfg_devname;
}
-/* NOOP */
-int jt_lcfg_newdev(int argc, char **argv)
+int jt_lcfg_device(int argc, char **argv)
{
- return 0;
+ return jt_obd_device(argc, argv);
}
int jt_lcfg_attach(int argc, char **argv)
struct lustre_cfg *lcfg;
int rc;
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
-
- if (argc != 2 && argc != 3 && argc != 4)
+ if (argc != 4)
return CMD_HELP;
+ lustre_cfg_bufs_reset(&bufs, NULL);
+
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
- if (argc >= 3) {
- lustre_cfg_bufs_set_string(&bufs, 0, argv[2]);
- } else {
- fprintf(stderr, "error: %s: LCFG_ATTACH requires a name\n",
- jt_cmdname(argv[0]));
- return -EINVAL;
- }
+ lustre_cfg_bufs_set_string(&bufs, 0, argv[2]);
+ lustre_cfg_bufs_set_string(&bufs, 2, argv[3]);
- if (argc == 4) {
- lustre_cfg_bufs_set_string(&bufs, 2, argv[3]);
- }
lcfg = lustre_cfg_new(LCFG_ATTACH, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
} else if (argc == 3) {
char name[1024];
- lcfg_set_devname(argv[2]);
+ lcfg_set_devname(argv[2]);
if (strlen(argv[2]) > 128) {
printf("Name too long to set environment\n");
return -EINVAL;
printf("error setting env variable %s\n", name);
}
} else {
- lcfg_set_devname(argv[2]);
- }
+ lcfg_set_devname(argv[2]);
+ }
return rc;
}
{
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
- int rc, i;
+ int i;
+ int rc;
if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
- return -EINVAL;
+ fprintf(stderr, "%s: please use 'device name' to set the "
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
+ return -EINVAL;
}
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
-
- if (argc > 7)
+
+ if (argc > 6)
return CMD_HELP;
for (i = 1; i < argc; i++) {
int rc;
if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
- return -EINVAL;
+ fprintf(stderr, "%s: please use 'device name' to set the "
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
+ return -EINVAL;
}
+
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
if (argc != 1)
lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
-
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
+
return rc;
}
struct lustre_cfg *lcfg;
char force = 'F';
char failover = 'A';
- char flags[3];
+ char flags[3] = { 0 };
int flag_cnt = 0, n;
int rc;
-
-
if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ fprintf(stderr, "%s: please use 'device name' to set the "
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
return rc;
}
-static
-int do_add_uuid(char * func, char *uuid, ptl_nid_t nid, int nal)
+static
+int do_add_uuid(char * func, char *uuid, lnet_nid_t nid)
{
- char tmp[64];
int rc;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
lcfg->lcfg_nid = nid;
- lcfg->lcfg_nal = nal;
+ /* Poison NAL -- pre 1.4.6 will LASSERT on 0 NAL, this way it
+ doesn't work without crashing (bz 10130) */
+ lcfg->lcfg_nal = 0x5a;
+#if 0
+ fprintf(stderr, "adding\tnid: %d\tuuid: %s\n",
+ lcfg->lcfg_nid, uuid);
+#endif
rc = lcfg_ioctl(func, OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
if (rc) {
return -1;
}
- printf ("Added uuid %s: %s\n", uuid, ptl_nid2str (tmp, nid));
+ printf ("Added uuid %s: %s\n", uuid, libcfs_nid2str(nid));
return 0;
-
}
int jt_lcfg_add_uuid(int argc, char **argv)
{
- ptl_nid_t nid = 0;
- int nal;
-
- if (argc != 4) {
+ lnet_nid_t nid;
+
+ if (argc != 3) {
return CMD_HELP;
}
- if (ptl_parse_nid (&nid, argv[2]) != 0) {
+ nid = libcfs_str2nid(argv[2]);
+ if (nid == LNET_NID_ANY) {
fprintf (stderr, "Can't parse NID %s\n", argv[2]);
- return (-1);
+ return (-1);
}
- nal = ptl_name2nal(argv[3]);
-
- if (nal <= 0) {
- fprintf (stderr, "Can't parse NAL %s\n", argv[3]);
- return -1;
- }
-
- return do_add_uuid(argv[0], argv[1], nid, nal);
+ return do_add_uuid(argv[0], argv[1], nid);
}
-int obd_add_uuid(char *uuid, ptl_nid_t nid, int nal)
+int obd_add_uuid(char *uuid, lnet_nid_t nid)
{
- return do_add_uuid("obd_add_uuid", uuid, nid, nal);
+ return do_add_uuid("obd_add_uuid", uuid, nid);
}
int jt_lcfg_del_uuid(int argc, char **argv)
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
if (strcmp (argv[1], "_all_"))
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
-
+
lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
return 0;
}
-int jt_lcfg_lov_setup(int argc, char **argv)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- struct lov_desc desc;
- int rc;
- char *end;
-
- /* argv: lov_setup <LOV uuid> <stripe count> <stripe size>
- * <stripe offset> <pattern> [ <max tgt index> ]
- */
- if (argc <= 6)
- return CMD_HELP;
-
- if (strlen(argv[1]) > sizeof(desc.ld_uuid) - 1) {
- fprintf(stderr,
- "error: %s: LOV uuid '%s' longer than "LPSZ" chars\n",
- jt_cmdname(argv[0]), argv[1], sizeof(desc.ld_uuid) - 1);
- return -EINVAL;
- }
-
- memset(&desc, 0, sizeof(desc));
- obd_str2uuid(&desc.ld_uuid, argv[1]);
- desc.ld_default_stripe_count = strtoul(argv[2], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad default stripe count '%s'\n",
- jt_cmdname(argv[0]), argv[2]);
- return CMD_HELP;
- }
-
- desc.ld_default_stripe_size = strtoull(argv[3], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad default stripe size '%s'\n",
- jt_cmdname(argv[0]), argv[3]);
- return CMD_HELP;
- }
- if (desc.ld_default_stripe_size < 4096) {
- fprintf(stderr,
- "error: %s: default stripe size "LPU64" too small\n",
- jt_cmdname(argv[0]), desc.ld_default_stripe_size);
- return -EINVAL;
- } else if ((long)desc.ld_default_stripe_size <
- desc.ld_default_stripe_size) {
- fprintf(stderr,
- "error: %s: default stripe size "LPU64" too large\n",
- jt_cmdname(argv[0]), desc.ld_default_stripe_size);
- return -EINVAL;
- }
- desc.ld_default_stripe_offset = strtoull(argv[4], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad default stripe offset '%s'\n",
- jt_cmdname(argv[0]), argv[4]);
- return CMD_HELP;
- }
- desc.ld_pattern = strtoul(argv[5], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad stripe pattern '%s'\n",
- jt_cmdname(argv[0]), argv[5]);
- return CMD_HELP;
- }
-
- if (argc > 7) {
- desc.ld_tgt_count = argc - 6;
- if (desc.ld_default_stripe_count > desc.ld_tgt_count) {
- fprintf(stderr,
- "error: %s: default stripe count %u > "
- "OST count %u\n", jt_cmdname(argv[0]),
- desc.ld_default_stripe_count,
- desc.ld_tgt_count);
- return -EINVAL;
- }
- }
-
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
- lustre_cfg_bufs_set(&bufs, 1, &desc, sizeof(desc));
-
- lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
- lustre_cfg_free(lcfg);
- if (rc)
- fprintf(stderr, "error: %s: ioctl error: %s\n",
- jt_cmdname(argv[0]), strerror(rc = errno));
- return rc;
-}
-
-int jt_lcfg_lmv_setup(int argc, char **argv)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- struct lmv_desc desc;
- struct obd_uuid *uuidarray, *ptr;
- int rc, i;
-
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
- if (argc <= 2)
- return CMD_HELP;
-
- if (strlen(argv[1]) > sizeof(desc.ld_uuid) - 1) {
- fprintf(stderr,
- "error: %s: LMV uuid '%s' longer than "LPSZ" chars\n",
- jt_cmdname(argv[0]), argv[1], sizeof(desc.ld_uuid) - 1);
- return -EINVAL;
- }
-
- memset(&desc, 0, sizeof(desc));
- obd_str2uuid(&desc.ld_uuid, argv[1]);
- desc.ld_tgt_count = argc - 2;
- printf("LMV: %d uuids:\n", desc.ld_tgt_count);
-
- /* NOTE: it is possible to overwrite the default striping parameters,
- * but EXTREME care must be taken when saving the OST UUID list.
- * It must be EXACTLY the same, or have only additions at the
- * end of the list, or only overwrite individual OST entries
- * that are restored from backups of the previous OST.
- */
- uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
- if (!uuidarray) {
- fprintf(stderr, "error: %s: no memory for %d UUIDs\n",
- jt_cmdname(argv[0]), desc.ld_tgt_count);
- rc = -ENOMEM;
- goto out;
- }
- for (i = 2, ptr = uuidarray; i < argc; i++, ptr++) {
- if (strlen(argv[i]) >= sizeof(*ptr)) {
- fprintf(stderr, "error: %s: arg %d (%s) too long\n",
- jt_cmdname(argv[0]), i, argv[i]);
- rc = -EINVAL;
- goto out;
- }
- printf(" %s\n", argv[i]);
- strcpy((char *)ptr, argv[i]);
- }
-
- lustre_cfg_bufs_set(&bufs, 1, &desc, sizeof(desc));
- lustre_cfg_bufs_set(&bufs, 2, (char*)uuidarray,
- desc.ld_tgt_count * sizeof(*uuidarray));
- lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
- lustre_cfg_free(lcfg);
-
- if (rc)
- fprintf(stderr, "error: %s: ioctl error: %s\n",
- jt_cmdname(argv[0]), strerror(rc = errno));
-out:
- free(uuidarray);
- return rc;
-}
-int jt_lcfg_lov_modify_tgts(int argc, char **argv)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- char *end;
- int cmd = 0;
- int index;
- int gen;
- int rc;
-
- /* argv: lov_modify_tgts <op> <LOV name> <OBD uuid> <index> <gen> */
- if (argc != 6)
- return CMD_HELP;
-
- if (!strncmp(argv[1], "add", 4)) {
- cmd = LCFG_LOV_ADD_OBD;
- } else if (!strncmp(argv[1], "del", 4)) {
- cmd = LCFG_LOV_DEL_OBD;
- } else {
- fprintf(stderr, "error: %s: bad operation '%s'\n",
- jt_cmdname(argv[0]), argv[1]);
- return CMD_HELP;
- }
-
- lustre_cfg_bufs_reset(&bufs, argv[2]);
-
-
- if (((index = strlen(argv[3]) + 1)) > sizeof(struct obd_uuid)) {
- fprintf(stderr,
- "error: %s: OBD uuid '%s' longer than "LPSZ" chars\n",
- jt_cmdname(argv[0]), argv[3],
- sizeof(struct obd_uuid) - 1);
- return -EINVAL;
- }
- lustre_cfg_bufs_set(&bufs, 1, argv[3], index);
-
- index = strtoul(argv[4], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad OBD index '%s'\n",
- jt_cmdname(argv[0]), argv[4]);
- return CMD_HELP;
- }
- lustre_cfg_bufs_set(&bufs, 2, argv[4], strlen(argv[4]));
-
- gen = strtoul(argv[5], &end, 0);
- if (*end) {
- fprintf(stderr, "error: %s: bad OBD generation '%s'\n",
- jt_cmdname(argv[0]), argv[5]);
- return CMD_HELP;
- }
- lustre_cfg_bufs_set(&bufs, 3, argv[5], strlen(argv[5]));
-
- lcfg = lustre_cfg_new(cmd, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
- lustre_cfg_free(lcfg);
- if (rc)
- fprintf(stderr, "error: %s: ioctl error: %s\n",
- jt_cmdname(argv[0]), strerror(rc = errno));
- return rc;
-}
-
-int jt_lcfg_mount_option(int argc, char **argv)
-{
- int rc;
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- int i;
-
- if (argc < 3 || argc > 4)
- return CMD_HELP;
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
- for (i = 1; i < argc; i++)
- lustre_cfg_bufs_set_string(&bufs, i, argv[i]);
-
- lcfg = lustre_cfg_new(LCFG_MOUNTOPT, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
- lustre_cfg_free(lcfg);
- if (rc < 0) {
- fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
- strerror(rc = errno));
- }
- return rc;
-}
int jt_lcfg_del_mount_option(int argc, char **argv)
{
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
+ fprintf(stderr, "%s has been deprecated. Use conf_param instead.\n"
+ "e.g. conf_param lustre-MDT0000 obd_timeout=50\n",
+ jt_cmdname(argv[0]));
+ return CMD_HELP;
+
+
if (argc != 2)
return CMD_HELP;
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
lcfg = lustre_cfg_new(LCFG_SET_TIMEOUT, &bufs);
lcfg->lcfg_num = atoi(argv[1]);
-
+
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
+ //rc = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
+
lustre_cfg_free(lcfg);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
}
-int jt_lcfg_set_lustre_upcall(int argc, char **argv)
-{
- int rc;
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
-
- if (argc != 2)
- return CMD_HELP;
-
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
-
- /* profile name */
- lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
-
- lcfg = lustre_cfg_new(LCFG_SET_UPCALL, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
- lustre_cfg_free(lcfg);
- if (rc < 0) {
- fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
- strerror(rc = errno));
- }
- return rc;
-}
int jt_lcfg_add_conn(int argc, char **argv)
{
return CMD_HELP;
if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ fprintf(stderr, "%s: please use 'device name' to set the "
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
+
return rc;
}
return CMD_HELP;
if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ fprintf(stderr, "%s: please use 'device name' to set the "
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
/* connection uuid */
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
- lcfg = lustre_cfg_new(LCFG_DEL_CONN, &bufs);
+ lcfg = lustre_cfg_new(LCFG_DEL_MOUNTOPT, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
return rc;
}
-int jt_lcfg_set_security(int argc, char **argv)
+/* Param set locally, directly on target */
+int jt_lcfg_param(int argc, char **argv)
{
+ int i, rc;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
- int rc;
- if (argc != 3)
+ if (argc >= LUSTRE_CFG_MAX_BUFCOUNT)
return CMD_HELP;
- if (lcfg_devname == NULL) {
- fprintf(stderr, "%s: please use 'cfg_device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
- return -EINVAL;
- }
+ lustre_cfg_bufs_reset(&bufs, NULL);
- lustre_cfg_bufs_reset(&bufs, lcfg_devname);
+ for (i = 1; i < argc; i++) {
+ lustre_cfg_bufs_set_string(&bufs, i, argv[i]);
+ }
- /* currently only used to set on mds */
- if (strcmp(argv[1], "mds_mds_sec") && strcmp(argv[1], "mds_ost_sec")) {
- fprintf(stderr, "%s: invalid security key %s\n",
- jt_cmdname(argv[0]), argv[1]);
- return -EINVAL;
+ lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
+
+ rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
+ strerror(rc = errno));
}
- if (strcmp(argv[2], "null") && strcmp(argv[2], "krb5")) {
- fprintf(stderr, "%s: invalid security value %s\n",
- jt_cmdname(argv[0]), argv[2]);
- return -EINVAL;
+ return rc;
+}
+
+/* Param set in config log on MGS */
+/* conf_param key1=value1 [key2=value2...] */
+int jt_lcfg_mgsparam(int argc, char **argv)
+{
+ int i, rc;
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+
+ if ((argc >= LUSTRE_CFG_MAX_BUFCOUNT) || (argc <= 1))
+ return CMD_HELP;
+
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ for (i = 1; i < argc; i++) {
+ lustre_cfg_bufs_set_string(&bufs, i, argv[i]);
}
- /* connection uuid */
- lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
- lustre_cfg_bufs_set_string(&bufs, 2, argv[2]);
- lcfg = lustre_cfg_new(LCFG_SET_SECURITY, &bufs);
+ /* We could put other opcodes here. */
+ lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
- rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
+ rc = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
+
+ return rc;
+}
+
+/* Display the path in the same format as sysctl
+ * For eg. obdfilter.lustre-OST0000.stats */
+static char *display_name(char *filename)
+{
+ char *tmp;
+
+ filename += strlen("/proc/");
+ if (strncmp(filename, "fs/", strlen("fs/")) == 0)
+ filename += strlen("fs/");
+ else
+ filename += strlen("sys/");
+
+ if (strncmp(filename, "lustre/", strlen("lustre/")) == 0)
+ filename += strlen("lustre/");
+
+ /* replace '/' with '.' to match conf_param and sysctl */
+ tmp = filename;
+ while ((tmp = strchr(tmp, '/')) != NULL)
+ *tmp = '.';
+
+ return filename;
+}
+
+/* Find a character in a length limited string */
+static char *strnchr(const char *p, char c, size_t n)
+{
+ if (!p)
+ return (0);
+
+ while (n-- > 0) {
+ if (*p == c)
+ return ((char *)p);
+ p++;
+ }
+ return (0);
+}
+
+int jt_lcfg_getparam(int argc, char **argv)
+{
+ int fp;
+ int rc = 0, i, show_path = 0, only_path = 0;
+ char pattern[PATH_MAX];
+ char *path, *tmp, *buf;
+ glob_t glob_info;
+
+ if (argc == 3 && (strcmp(argv[1], "-n") == 0 || strcmp(argv[1], "-N") == 0)) {
+ path = argv[2];
+ if (strcmp(argv[1], "-N") == 0) {
+ only_path = 1;
+ show_path = 1;
+ }
+ } else if (argc == 2) {
+ show_path = 1;
+ path = argv[1];
+ } else {
+ return CMD_HELP;
+ }
+
+ /* If the input is in form Eg. obdfilter.*.stats */
+ if (strchr(path, '.')) {
+ tmp = path;
+ while (*tmp != '\0') {
+ if (*tmp == '.')
+ *tmp = '/';
+ tmp ++;
+ }
+ }
+
+ /* If the entire path is specified as input */
+ fp = open(path, O_RDONLY);
+ if (fp < 0)
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ path);
+ else {
+ strcpy(pattern, path);
+ close(fp);
+ }
+
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc) {
+ fprintf(stderr, "error : glob %s: %s \n", pattern,strerror(rc));
+ return rc;
+ }
+
+ buf = malloc(CFS_PAGE_SIZE);
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ char *valuename = NULL;
+
+ memset(buf, 0, CFS_PAGE_SIZE);
+ if (show_path) {
+ char *filename;
+ filename = strdup(glob_info.gl_pathv[i]);
+ valuename = display_name(filename);
+ if (valuename && only_path) {
+ printf("%s\n", valuename);
+ continue;
+ }
+ }
+
+ /* Write the contents of file to stdout */
+ fp = open(glob_info.gl_pathv[i], O_RDONLY);
+ if (fp < 0) {
+ fprintf(stderr, "error: %s: opening('%s') failed: %s\n",
+ jt_cmdname(argv[0]), glob_info.gl_pathv[i],
+ strerror(errno));
+ continue;
+ }
+
+ do {
+ rc = read(fp, buf, CFS_PAGE_SIZE);
+ if (rc == 0)
+ break;
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: read('%s') "
+ "failed: %s\n", jt_cmdname(argv[0]),
+ glob_info.gl_pathv[i], strerror(errno));
+ break;
+ }
+ /* Print the output in the format path=value if the
+ * value contains no new line character or cab be
+ * occupied in a line, else print value on new line */
+ if (valuename && show_path) {
+ int longbuf = strnchr(buf, rc - 1, '\n') != NULL
+ || rc > 60;
+ printf("%s=%s", valuename, longbuf ? "\n" : buf);
+ valuename = NULL;
+ if (!longbuf)
+ continue;
+ fflush(stdout);
+ }
+ rc = write(fileno(stdout), buf, rc);
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: write to stdout "
+ "failed: %s\n", jt_cmdname(argv[0]),
+ strerror(errno));
+ break;
+ }
+ } while (1);
+ close(fp);
+ }
+
+ globfree(&glob_info);
+ free(buf);
+ return rc;
+}
+
+
+int jt_lcfg_setparam(int argc, char **argv)
+{
+ int rc = 0, i;
+ int fp, show_path = 0;
+ char pattern[PATH_MAX];
+ char *path, *value, *tmp;
+ glob_t glob_info;
+
+ path = argv[1];
+ if (argc == 4 && (strcmp(argv[1], "-n") == 0)) {
+ /* Format: lctl set_param -n param value */
+ path = argv[2];
+ value = argv[3];
+ } else if (argc == 3) {
+ if (strcmp(argv[1], "-n") != 0) {
+ /* Format: lctl set_param param value */
+ show_path = 1;
+ value = argv[2];
+ } else if ((value = strchr(argv[2], '=')) != NULL) {
+ /* Format: lctl set_param -n param=value */
+ path = argv[2];
+ *value = '\0';
+ value ++;
+ } else {
+ fprintf(stderr, "error: %s Incorrect arguments."
+ "See Usage\n",
+ jt_cmdname(argv[0]));
+ return CMD_HELP;
+ }
+ } else if (argc == 2 && ((value = strchr(argv[1], '=')) != NULL)) {
+ /* Format: lctl set_param param=value */
+ show_path = 1;
+ *value = '\0';
+ value++;
+ } else {
+ fprintf(stderr, "error: %s Incorrect arguments. See Usage\n",
+ jt_cmdname(argv[0]));
+ return CMD_HELP;
+ }
+
+ /* If the input is in form Eg. obdfilter.*.stats */
+ if (strchr(path, '.')) {
+ tmp = path;
+ while (*tmp != '\0') {
+ if (*tmp == '.')
+ *tmp = '/';
+ tmp ++;
+ }
+ }
+
+ fp = open(path, O_RDONLY);
+ if (fp < 0)
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ path);
+ else {
+ strcpy(pattern, path);
+ close(fp);
+ }
+
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc) {
+ fprintf(stderr, "error : glob %s: %s \n", pattern,strerror(rc));
+ return rc;
+ }
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ if (show_path) {
+ char *valuename, *filename;
+ filename = strdup(glob_info.gl_pathv[i]);
+ valuename = display_name(filename);
+ printf("%s=%s\n", valuename, value);
+ }
+ /* Write the new value to the file */
+ fp = open(glob_info.gl_pathv[i], O_WRONLY);
+ if (fp > 0) {
+ rc = write(fp, value, strlen(value));
+ if (rc < 0)
+ fprintf(stderr,
+ "error writing to file %s\n",
+ glob_info.gl_pathv[i]);
+ else
+ rc = 0;
+ close(fp);
+ } else {
+ fprintf(stderr, "error: %s: %s opening %s\n",
+ jt_cmdname(argv[0]), strerror(rc = errno),
+ glob_info.gl_pathv[i]);
+ }
+ }
+ globfree(&glob_info);
return rc;
}