-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
int lcfg_set_devname(char *name)
{
+ char *ptr;
+ int digit = 1;
+
if (name) {
if (lcfg_devname)
free(lcfg_devname);
/* quietly strip the unnecessary '$' */
if (*name == '$' || *name == '%')
name++;
- if (isdigit(*name)) {
+
+ ptr = name;
+ while (*ptr != '\0') {
+ if (!isdigit(*ptr)) {
+ digit = 0;
+ break;
+ }
+ ptr++;
+ }
+
+ if (digit) {
/* We can't translate from dev # to name */
lcfg_devname = NULL;
} else {
if (rc < 0) {
fprintf(stderr, "error: %s: LCFG_ATTACH %s\n",
jt_cmdname(argv[0]), strerror(rc = errno));
- } else if (argc == 3) {
- char name[1024];
-
- lcfg_set_devname(argv[2]);
- if (strlen(argv[2]) > 128) {
- printf("Name too long to set environment\n");
- return -EINVAL;
- }
- snprintf(name, 512, "LUSTRE_DEV_%s", argv[2]);
- rc = setenv(name, argv[1], 1);
- if (rc) {
- printf("error setting env variable %s\n", name);
- }
} else {
lcfg_set_devname(argv[2]);
}
return rc;
}
+struct param_opts {
+ unsigned int po_only_path:1;
+ unsigned int po_show_path:1;
+ unsigned int po_show_type:1;
+ unsigned int po_recursive:1;
+ unsigned int po_params2:1;
+ unsigned int po_delete:1;
+};
+
+/* Param set to single log file, used by all clients and servers.
+ * This should be loaded after the individual config logs.
+ * Called from set param with -P option.
+ */
+static int jt_lcfg_mgsparam2(int argc, char **argv, struct param_opts *popt)
+{
+ int rc, i;
+ int first_param;
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+ char *buf = NULL;
+ int len;
+
+ first_param = optind;
+ if (first_param < 0 || first_param >= argc)
+ return CMD_HELP;
+
+ for (i = first_param, rc = 0; i < argc; i++) {
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ /* This same command would be executed on all nodes, many
+ * of which should fail (silently) because they don't have
+ * that proc file existing locally. There would be no
+ * preprocessing on the MGS to try to figure out which
+ * parameter files to add this to, there would be nodes
+ * processing on the cluster nodes to try to figure out
+ * if they are the intended targets. They will blindly
+ * try to set the parameter, and ENOTFOUND means it wasn't
+ * for them.
+ * Target name "general" means call on all targets. It is
+ * left here in case some filtering will be added in
+ * future.
+ */
+ lustre_cfg_bufs_set_string(&bufs, 0, "general");
+
+ len = strlen(argv[i]);
+
+ /* put an '=' on the end in case it doesn't have one */
+ if (popt->po_delete && argv[i][len - 1] != '=') {
+ buf = malloc(len + 1);
+ sprintf(buf, "%s=", argv[i]);
+ } else {
+ buf = argv[i];
+ }
+ lustre_cfg_bufs_set_string(&bufs, 1, buf);
+
+ lcfg = lustre_cfg_new(LCFG_SET_PARAM, &bufs);
+ if (IS_ERR(lcfg)) {
+ fprintf(stderr, "error: allocating lcfg for %s: %s\n",
+ jt_cmdname(argv[0]), strerror(PTR_ERR(lcfg)));
+ if (rc == 0)
+ rc = PTR_ERR(lcfg);
+ } else {
+ int rc2 = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
+ if (rc2 != 0) {
+ fprintf(stderr, "error: executing %s: %s\n",
+ jt_cmdname(argv[0]), strerror(rc2));
+ if (rc == 0)
+ rc = rc2;
+ }
+ lustre_cfg_free(lcfg);
+ }
+ if (buf != argv[i])
+ free(buf);
+ }
+
+ return rc;
+}
+
/* Param set in config log on MGS */
-/* conf_param key1=value1 [key2=value2...] */
+/* conf_param key=value */
+/* Note we can actually send mgc conf_params from clients, but currently
+ * that's only done for default file striping (see ll_send_mgc_param),
+ * and not here. */
+/* After removal of a parameter (-d) Lustre will use the default
+ * AT NEXT REBOOT, not immediately. */
int jt_lcfg_mgsparam(int argc, char **argv)
{
- int i, rc;
+ int rc;
+ int del = 0;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
+ char *buf = NULL;
+
+#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,7,53,0)
+ fprintf(stderr, "warning: 'lctl conf_param' is deprecated, "
+ "use 'lctl set_param -P' instead\n");
+#endif
- if ((argc >= LUSTRE_CFG_MAX_BUFCOUNT) || (argc <= 1))
+ /* mgs_setparam processes only lctl buf #1 */
+ if ((argc > 3) || (argc <= 1))
return CMD_HELP;
+ while ((rc = getopt(argc, argv, "d")) != -1) {
+ switch (rc) {
+ case 'd':
+ del = 1;
+ break;
+ default:
+ return CMD_HELP;
+ }
+ }
+
lustre_cfg_bufs_reset(&bufs, NULL);
- for (i = 1; i < argc; i++) {
- lustre_cfg_bufs_set_string(&bufs, i, argv[i]);
+ if (del) {
+ char *ptr;
+
+ /* for delete, make it "<param>=\0" */
+ buf = malloc(strlen(argv[optind]) + 2);
+ /* put an '=' on the end in case it doesn't have one */
+ sprintf(buf, "%s=", argv[optind]);
+ /* then truncate after the first '=' */
+ ptr = strchr(buf, '=');
+ *(++ptr) = '\0';
+ lustre_cfg_bufs_set_string(&bufs, 1, buf);
+ } else {
+ lustre_cfg_bufs_set_string(&bufs, 1, argv[optind]);
}
/* We could put other opcodes here. */
rc = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
+ if (buf)
+ free(buf);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
/* Display the path in the same format as sysctl
* For eg. obdfilter.lustre-OST0000.stats */
-static char *display_name(char *filename, int show_type)
+static char *display_name(char *filename, unsigned int po_show_type)
{
char *tmp;
struct stat st;
- if (show_type) {
+ if (po_show_type) {
if (lstat(filename, &st) < 0)
return NULL;
}
if (strncmp(filename, "lustre/", strlen("lustre/")) == 0)
filename += strlen("lustre/");
+ else if (strncmp(filename, "lnet/", strlen("lnet/")) == 0)
+ filename += strlen("lnet/");
/* replace '/' with '.' to match conf_param and sysctl */
tmp = filename;
*tmp = '.';
/* append the indicator to entries */
- if (show_type) {
+ if (po_show_type) {
if (S_ISDIR(st.st_mode))
strcat(filename, "/");
else if (S_ISLNK(st.st_mode))
}
}
-struct param_opts {
- int only_path;
- int show_path;
- int show_type;
- int recursive;
-};
+/* Supporting file paths creates perilous behavoir: LU-888.
+ * Path support is deprecated.
+ * If a path is supplied it must begin with /proc. */
+static void lprocfs_param_pattern(const char *cmd, const char *path, char *buf,
+ size_t buf_size)
+{
+ /* test path to see if it begins with '/proc/' */
+ if (strncmp(path, "/proc/", strlen("/proc/")) == 0) {
+ static int warned;
+ if (!warned) {
+ fprintf(stderr, "%s: specifying parameters via "
+ "full paths is deprecated.\n", cmd);
+#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 50, 0)
+#warning "remove deprecated full path tunable access"
+#endif
+ warned = 1;
+ }
+ snprintf(buf, buf_size, "%s", path);
+ } else {
+ snprintf(buf, buf_size, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ path);
+ }
+}
static int listparam_cmdline(int argc, char **argv, struct param_opts *popt)
{
int ch;
- popt->show_path = 1;
- popt->only_path = 1;
- popt->show_type = 0;
- popt->recursive = 0;
+ popt->po_show_path = 1;
+ popt->po_only_path = 1;
+ popt->po_show_type = 0;
+ popt->po_recursive = 0;
while ((ch = getopt(argc, argv, "FR")) != -1) {
switch (ch) {
case 'F':
- popt->show_type = 1;
+ popt->po_show_type = 1;
break;
case 'R':
- popt->recursive = 1;
+ popt->po_recursive = 1;
break;
default:
return -1;
glob_t glob_info;
char filename[PATH_MAX + 1]; /* extra 1 byte for file type */
- rc = glob(pattern, GLOB_BRACE | (popt->recursive ? GLOB_MARK : 0),
+ rc = glob(pattern, GLOB_BRACE | (popt->po_recursive ? GLOB_MARK : 0),
NULL, &glob_info);
if (rc) {
fprintf(stderr, "error: list_param: %s: %s\n",
else
last = 0;
strcpy(filename, glob_info.gl_pathv[i]);
- valuename = display_name(filename, popt->show_type);
+ valuename = display_name(filename, popt->po_show_type);
if (valuename)
printf("%s\n", valuename);
if (last) {
int jt_lcfg_listparam(int argc, char **argv)
{
- int fp;
int rc = 0, i;
struct param_opts popt;
char pattern[PATH_MAX];
char *path;
rc = listparam_cmdline(argc, argv, &popt);
- if (rc == argc && popt.recursive) {
+ if (rc == argc && popt.po_recursive) {
rc--; /* we know at least "-R" is a parameter */
argv[rc] = "*";
} else if (rc < 0 || rc >= argc) {
clean_path(path);
- /* 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);
- }
+ lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
rc = listparam_display(&popt, pattern);
if (rc < 0)
{
int ch;
- popt->show_path = 1;
- popt->only_path = 0;
- popt->show_type = 0;
+ popt->po_show_path = 1;
+ popt->po_only_path = 0;
+ popt->po_show_type = 0;
+ popt->po_recursive = 0;
while ((ch = getopt(argc, argv, "nNF")) != -1) {
switch (ch) {
case 'N':
- popt->only_path = 1;
+ popt->po_only_path = 1;
break;
case 'n':
- popt->show_path = 0;
+ popt->po_show_path = 0;
case 'F':
- popt->show_type = 1;
+ popt->po_show_type = 1;
break;
default:
return -1;
return -ESRCH;
}
- buf = malloc(CFS_PAGE_SIZE);
- for (i = 0; i < glob_info.gl_pathc; i++) {
- char *valuename = NULL;
+ buf = malloc(PAGE_CACHE_SIZE);
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ char *valuename = NULL;
- memset(buf, 0, CFS_PAGE_SIZE);
+ memset(buf, 0, PAGE_CACHE_SIZE);
/* As listparam_display is used to show param name (with type),
* here "if (only_path)" is ignored.*/
- if (popt->show_path) {
+ if (popt->po_show_path) {
strcpy(filename, glob_info.gl_pathv[i]);
valuename = display_name(filename, 0);
}
continue;
}
- do {
- rc = read(fd, buf, CFS_PAGE_SIZE);
- if (rc == 0)
- break;
+ do {
+ rc = read(fd, buf, PAGE_CACHE_SIZE);
+ if (rc == 0)
+ break;
if (rc < 0) {
fprintf(stderr, "error: get_param: "
"read('%s') failed: %s\n",
/* 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 && popt->show_path) {
+ if (valuename && popt->po_show_path) {
int longbuf = strnchr(buf, rc - 1, '\n') != NULL
|| rc > 60;
printf("%s=%s", valuename, longbuf ? "\n" : buf);
int jt_lcfg_getparam(int argc, char **argv)
{
- int fp;
int rc = 0, i;
struct param_opts popt;
char pattern[PATH_MAX];
if (rc < 0 || rc >= argc)
return CMD_HELP;
- for (i = rc; i < argc; i++) {
- path = argv[i];
+ for (i = rc, rc = 0; i < argc; i++) {
+ int rc2;
- clean_path(path);
+ path = argv[i];
- /* 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);
- }
+ clean_path(path);
- if (popt.only_path)
- rc = listparam_display(&popt, pattern);
- else
- rc = getparam_display(&popt, pattern);
- if (rc < 0)
- return rc;
- }
+ lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
- return 0;
+ if (popt.po_only_path)
+ rc2 = listparam_display(&popt, pattern);
+ else
+ rc2 = getparam_display(&popt, pattern);
+ if (rc2 < 0 && rc == 0)
+ rc = rc2;
+ }
+
+ return rc;
}
static int setparam_cmdline(int argc, char **argv, struct param_opts *popt)
{
int ch;
- popt->show_path = 1;
- popt->only_path = 0;
- popt->show_type = 0;
+ popt->po_show_path = 1;
+ popt->po_only_path = 0;
+ popt->po_show_type = 0;
+ popt->po_recursive = 0;
+ popt->po_params2 = 0;
+ popt->po_delete = 0;
- while ((ch = getopt(argc, argv, "n")) != -1) {
+ while ((ch = getopt(argc, argv, "nPd")) != -1) {
switch (ch) {
case 'n':
- popt->show_path = 0;
+ popt->po_show_path = 0;
break;
+ case 'P':
+ popt->po_params2 = 1;
+ break;
+ case 'd':
+ popt->po_delete = 1;
+ break;
default:
return -1;
}
pattern, globerrstr(rc));
return -ESRCH;
}
- for (i = 0; i < glob_info.gl_pathc; i++) {
- char *valuename = NULL;
-
- if (popt->show_path) {
- strcpy(filename, glob_info.gl_pathv[i]);
- valuename = display_name(filename, 0);
- if (valuename)
- printf("%s=%s\n", valuename, value);
- }
- /* Write the new value to the file */
- fd = open(glob_info.gl_pathv[i], O_WRONLY);
- if (fd > 0) {
- rc = write(fd, value, strlen(value));
- if (rc < 0)
- fprintf(stderr, "error: set_param: "
- "writing to file %s: %s\n",
- glob_info.gl_pathv[i], strerror(errno));
- else
- rc = 0;
- close(fd);
- } else {
- fprintf(stderr, "error: set_param: %s opening %s\n",
- strerror(rc = errno), glob_info.gl_pathv[i]);
- }
- }
-
- globfree(&glob_info);
- return rc;
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ char *valuename = NULL;
+
+ if (popt->po_show_path) {
+ strcpy(filename, glob_info.gl_pathv[i]);
+ valuename = display_name(filename, 0);
+ if (valuename)
+ printf("%s=%s\n", valuename, value);
+ }
+ /* Write the new value to the file */
+ fd = open(glob_info.gl_pathv[i], O_WRONLY);
+ if (fd >= 0) {
+ rc = write(fd, value, strlen(value));
+ if (rc < 0)
+ fprintf(stderr, "error: set_param: setting "
+ "%s=%s: %s\n", glob_info.gl_pathv[i],
+ value, strerror(errno));
+ else
+ rc = 0;
+ close(fd);
+ } else {
+ fprintf(stderr, "error: set_param: %s opening %s\n",
+ strerror(rc = errno), glob_info.gl_pathv[i]);
+ }
+ }
+
+ globfree(&glob_info);
+ return rc;
}
int jt_lcfg_setparam(int argc, char **argv)
{
- int fp;
int rc = 0, i;
struct param_opts popt;
char pattern[PATH_MAX];
if (rc < 0 || rc >= argc)
return CMD_HELP;
- for (i = rc; i < argc; i++) {
+ if (popt.po_params2)
+ /* We can't delete parameters that were
+ * set with old conf_param interface */
+ return jt_lcfg_mgsparam2(argc, argv, &popt);
+
+ for (i = rc, rc = 0; i < argc; i++) {
+ int rc2;
+
if ((value = strchr(argv[i], '=')) != NULL) {
/* format: set_param a=b */
*value = '\0';
clean_path(path);
- /* 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);
- }
+ lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
- rc = setparam_display(&popt, pattern, value);
+ rc2 = setparam_display(&popt, pattern, value);
path = NULL;
value = NULL;
- if (rc < 0)
- return rc;
- }
+ if (rc2 < 0 && rc == 0)
+ rc = rc2;
+ }
- return 0;
+ return rc;
}
+
git://git.whamcloud.com / fs / lustre-release.git / blobdiff