X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Futils%2Flustre_cfg.c;h=1c9ed42c09d9b38816369b501d1b80b119454603;hp=4390b3e54dae9efd3d546489607bde6359f35c18;hb=b50f73018c25d039bf9952728c35985be9a4c1d4;hpb=65701b4a30efdb695776bcf690a2b3cabc928da1 diff --git a/lustre/utils/lustre_cfg.c b/lustre/utils/lustre_cfg.c index 4390b3e..1c9ed42 100644 --- a/lustre/utils/lustre_cfg.c +++ b/lustre/utils/lustre_cfg.c @@ -1,6 +1,4 @@ -/* -*- 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. @@ -29,7 +27,7 @@ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2012, Whamcloud, Inc. + * Copyright (c) 2011, 2012, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -141,19 +139,6 @@ int jt_lcfg_attach(int argc, char **argv) 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]); } @@ -505,6 +490,83 @@ int jt_lcfg_param(int argc, char **argv) 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 key=value */ /* Note we can actually send mgc conf_params from clients, but currently @@ -520,6 +582,11 @@ int jt_lcfg_mgsparam(int argc, char **argv) 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 + /* mgs_setparam processes only lctl buf #1 */ if ((argc > 3) || (argc <= 1)) return CMD_HELP; @@ -567,12 +634,12 @@ int jt_lcfg_mgsparam(int argc, char **argv) /* 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; } @@ -594,7 +661,7 @@ static char *display_name(char *filename, int show_type) *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)) @@ -673,7 +740,7 @@ static void lprocfs_param_pattern(const char *cmd, const char *path, char *buf, 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) +#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 50, 0) #warning "remove deprecated full path tunable access" #endif warned = 1; @@ -685,29 +752,22 @@ static void lprocfs_param_pattern(const char *cmd, const char *path, char *buf, } } -struct param_opts { - int only_path:1; - int show_path:1; - int show_type:1; - int recursive:1; -}; - 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; @@ -724,7 +784,7 @@ static int listparam_display(struct param_opts *popt, char *pattern) 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", @@ -745,7 +805,7 @@ static int listparam_display(struct param_opts *popt, char *pattern) 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) { @@ -767,7 +827,7 @@ int jt_lcfg_listparam(int argc, char **argv) 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) { @@ -793,20 +853,20 @@ static int getparam_cmdline(int argc, char **argv, struct param_opts *popt) { int ch; - popt->show_path = 1; - popt->only_path = 0; - popt->show_type = 0; - popt->recursive = 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; @@ -832,14 +892,14 @@ static int getparam_display(struct param_opts *popt, char *pattern) 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); } @@ -853,10 +913,10 @@ static int getparam_display(struct param_opts *popt, char *pattern) 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", @@ -866,7 +926,7 @@ static int getparam_display(struct param_opts *popt, char *pattern) /* 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); @@ -902,38 +962,48 @@ int jt_lcfg_getparam(int argc, char **argv) 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]; - lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern)); + 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->recursive = 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; } @@ -955,34 +1025,34 @@ static int setparam_display(struct param_opts *popt, char *pattern, char *value) 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) @@ -996,7 +1066,14 @@ int jt_lcfg_setparam(int argc, char **argv) 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'; @@ -1016,13 +1093,13 @@ int jt_lcfg_setparam(int argc, char **argv) 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; }