X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Futils%2Flustre_lfsck.c;h=4cf35d1ae4e9de9182ae30b45ac94ff45f49d0e4;hb=0d88b3296cf28c8222359f9a19e42e423e2e3b28;hp=89ec9b5d46749ca0b3377e6060668631574c2cbd;hpb=1e8ff9e1309b0dd777db872195bad033b73d638b;p=fs%2Flustre-release.git diff --git a/lustre/utils/lustre_lfsck.c b/lustre/utils/lustre_lfsck.c index 89ec9b5..4cf35d1 100644 --- a/lustre/utils/lustre_lfsck.c +++ b/lustre/utils/lustre_lfsck.c @@ -20,7 +20,7 @@ * GPL HEADER END */ /* - * Copyright (c) 2012 Whamcloud, Inc. + * Copyright (c) 2012, 2014, Intel Corporation. */ /* * lustre/utils/lustre_lfsck.c @@ -40,80 +40,116 @@ #include "obdctl.h" -#include #include -#include #include +#include +/* Needs to be last to avoid clashes */ +#include static struct option long_opt_start[] = { - {"device", required_argument, 0, 'M'}, - {"error", required_argument, 0, 'e'}, - {"help", no_argument, 0, 'h'}, - {"dryrun", required_argument, 0, 'n'}, - {"reset", no_argument, 0, 'r'}, - {"speed", required_argument, 0, 's'}, - {"type", required_argument, 0, 't'}, - {0, 0, 0, 0} + {"device", required_argument, 0, 'M'}, + {"all", no_argument, 0, 'A'}, + {"create_ostobj", optional_argument, 0, 'c'}, + {"create_mdtobj", optional_argument, 0, 'C'}, + {"error", required_argument, 0, 'e'}, + {"help", no_argument, 0, 'h'}, + {"dryrun", optional_argument, 0, 'n'}, + {"orphan", no_argument, 0, 'o'}, + {"reset", no_argument, 0, 'r'}, + {"speed", required_argument, 0, 's'}, + {"type", required_argument, 0, 't'}, + {"window_size", required_argument, 0, 'w'}, + {0, 0, 0, 0 } }; static struct option long_opt_stop[] = { {"device", required_argument, 0, 'M'}, + {"all", no_argument, 0, 'A'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; -struct lfsck_types_names { - char *name; - __u16 type; +struct lfsck_type_name { + char *ltn_name; + enum lfsck_type ltn_type; }; -static struct lfsck_types_names lfsck_types_names[3] = { - { "layout", LT_LAYOUT }, - { "DNE", LT_DNE }, - { 0, 0 } +static struct lfsck_type_name lfsck_types_names[] = { + { "scrub", LFSCK_TYPE_SCRUB }, + { "layout", LFSCK_TYPE_LAYOUT }, + { "namespace", LFSCK_TYPE_NAMESPACE }, + { "default", LFSCK_TYPES_DEF }, + { "all", LFSCK_TYPES_SUPPORTED }, + { NULL, 0 } }; +static enum lfsck_type lfsck_name2type(const char *name) +{ + int i; + + for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) { + if (strcmp(lfsck_types_names[i].ltn_name, name) == 0) + return lfsck_types_names[i].ltn_type; + } + return -1; +} + static void usage_start(void) { - fprintf(stderr, "Start LFSCK.\n" - "SYNOPSIS:\n" - "lfsck_start <-M | --device MDT_device>\n" - " [-e | --error error_handle] [-h | --help]\n" - " [-n | --dryrun switch] [-r | --reset]\n" - " [-s | --speed speed_limit]\n" - " [-t | --type lfsck_type[,lfsck_type...]]\n" - "OPTIONS:\n" - "-M: The MDT device to start LFSCK on.\n" - "-e: Error handle, 'continue'(default) or 'abort'.\n" - "-h: Help information.\n" - "-n: Check without modification. 'off'(default) or 'on'.\n" - "-r: Reset scanning start position to the device beginning.\n" - "-s: How many items can be scanned at most per second. " - "'%d' means no limit (default).\n" - "-t: The LFSCK type(s) to be started.\n", + fprintf(stderr, "start LFSCK\n" + "usage:\n" + "lfsck_start <-M | --device {MDT,OST}_device>\n" + " [-A | --all] [-c | --create_ostobj [on | off]]\n" + " [-C | --create_mdtobj [on | off]]\n" + " [-e | --error {continue | abort}] [-h | --help]\n" + " [-n | --dryrun [on | off]] [-o | --orphan]\n" + " [-r | --reset] [-s | --speed ops_per_sec_limit]\n" + " [-t | --type check_type[,check_type...]]\n" + " [-w | --window_size size]\n" + "options:\n" + "-M: device to start LFSCK/scrub on\n" + "-A: start LFSCK on all MDT devices\n" + "-c: create the lost OST-object for dangling LOV EA " + "(default 'off', or 'on')\n" + "-C: create the lost MDT-object for dangling name entry " + "(default 'off', or 'on')\n" + "-e: error handle mode (default 'continue', or 'abort')\n" + "-h: this help message\n" + "-n: check with no modification (default 'off', or 'on')\n" + "-o: repair orphan OST-objects\n" + "-r: reset scanning to the start of the device\n" + "-s: maximum items to be scanned per second " + "(default '%d' = no limit)\n" + "-t: check type(s) to be performed (default all)\n" + "-w: window size for async requests pipeline\n", LFSCK_SPEED_NO_LIMIT); } static void usage_stop(void) { - fprintf(stderr, "Stop LFSCK.\n" - "SYNOPSIS:\n" - "lfsck_stop <-M | --device MDT_device> [-h | --help]\n" - "OPTIONS:\n" - "-M: The MDT device to stop LFSCK on.\n" - "-h: Help information.\n"); + fprintf(stderr, "stop LFSCK\n" + "usage:\n" + "lfsck_stop <-M | --device {MDT,OST}_device>\n" + " [-A | --all] [-h | --help]\n" + "options:\n" + "-M: device to stop LFSCK/scrub on\n" + "-A: stop LFSCK on all MDT devices\n" + "-h: this help message\n"); } -static int lfsck_pack_dev(struct obd_ioctl_data *data, char *arg) +static int lfsck_pack_dev(struct obd_ioctl_data *data, char *device, char *arg) { - data->ioc_inllen4 = strlen(arg) + 1; - if (data->ioc_inllen4 > MAX_OBD_NAME) { - fprintf(stderr, "MDT device name is too long. " + int len = strlen(arg) + 1; + + if (len > MAX_OBD_NAME) { + fprintf(stderr, "device name is too long. " "Valid length should be less than %d\n", MAX_OBD_NAME); return -EINVAL; } - data->ioc_inlbuf4 = arg; + memcpy(device, arg, len); + data->ioc_inlbuf4 = device; + data->ioc_inllen4 = len; data->ioc_dev = OBD_DEV_BY_DEVNAME; return 0; } @@ -124,28 +160,57 @@ int jt_lfsck_start(int argc, char **argv) char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf; char device[MAX_OBD_NAME]; struct lfsck_start start; - char *optstring = "M:e:hi:n:rs:t:"; + char *optstring = "Ac::C::e:hM:n::ors:t:w:"; int opt, index, rc, val, i; memset(&data, 0, sizeof(data)); memset(&start, 0, sizeof(start)); + memset(device, 0, MAX_OBD_NAME); start.ls_version = LFSCK_VERSION_V1; - start.ls_active = LFSCK_TYPES_DEF; + start.ls_active = LFSCK_TYPES_ALL; + + /* Reset the 'optind' for the case of getopt_long() called multiple + * times under the same lctl. */ + optind = 0; while ((opt = getopt_long(argc, argv, optstring, long_opt_start, &index)) != EOF) { switch (opt) { - case 'M': - rc = lfsck_pack_dev(&data, optarg); - if (rc != 0) - return rc; + case 'A': + start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST; + break; + case 'c': + if (optarg == NULL || strcmp(optarg, "on") == 0) { + start.ls_flags |= LPF_CREATE_OSTOBJ; + } else if (strcmp(optarg, "off") != 0) { + fprintf(stderr, "invalid switch: -c '%s'. " + "valid switches are:\n" + "empty ('on'), or 'off' without space. " + "For example:\n" + "'-c', '-con', '-coff'\n", optarg); + return -EINVAL; + } + start.ls_valid |= LSV_CREATE_OSTOBJ; + break; + case 'C': + if (optarg == NULL || strcmp(optarg, "on") == 0) { + start.ls_flags |= LPF_CREATE_MDTOBJ; + } else if (strcmp(optarg, "off") != 0) { + fprintf(stderr, "invalid switch: -C '%s'. " + "valid switches are:\n" + "empty ('on'), or 'off' without space. " + "For example:\n" + "'-C', '-Con', '-Coff'\n", optarg); + return -EINVAL; + } + start.ls_valid |= LSV_CREATE_MDTOBJ; break; case 'e': if (strcmp(optarg, "abort") == 0) { start.ls_flags |= LPF_FAILOUT; } else if (strcmp(optarg, "continue") != 0) { - fprintf(stderr, "Invalid error handler: %s. " - "The valid value should be: 'continue'" - "(default) or 'abort'.\n", optarg); + fprintf(stderr, "invalid error mode: -e '%s'." + "valid modes are: " + "'continue' or 'abort'.\n", optarg); return -EINVAL; } start.ls_valid |= LSV_ERROR_HANDLE; @@ -153,17 +218,28 @@ int jt_lfsck_start(int argc, char **argv) case 'h': usage_start(); return 0; + case 'M': + rc = lfsck_pack_dev(&data, device, optarg); + if (rc != 0) + return rc; + break; case 'n': - if (strcmp(optarg, "on") == 0) { + if (optarg == NULL || strcmp(optarg, "on") == 0) { start.ls_flags |= LPF_DRYRUN; } else if (strcmp(optarg, "off") != 0) { - fprintf(stderr, "Invalid dryrun switch: %s. " - "The valid value shou be: 'off'" - "(default) or 'on'\n", optarg); + fprintf(stderr, "invalid switch: -n '%s'. " + "valid switches are:\n" + "empty ('on'), or 'off' without space. " + "For example:\n" + "'-n', '-non', '-noff'\n", optarg); return -EINVAL; } start.ls_valid |= LSV_DRYRUN; break; + case 'o': + start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST | + LPF_OST_ORPHAN; + break; case 'r': start.ls_flags |= LPF_RESET; break; @@ -173,64 +249,63 @@ int jt_lfsck_start(int argc, char **argv) start.ls_valid |= LSV_SPEED_LIMIT; break; case 't': { - char *str = optarg, *p, c; - - start.ls_active = 0; - while (*str) { - while (*str == ' ' || *str == ',') - str++; - - if (*str == 0) - break; - - p = str; - while (*p != 0 && *p != ' ' && *p != ',') - p++; - - c = *p; - *p = 0; - for (i = 0; i < 3; i++) { - if (strcmp(str, - lfsck_types_names[i].name) - == 0) { - start.ls_active |= - lfsck_types_names[i].type; - break; - } - } - *p = c; - str = p; - - if (i >= 3 ) { - fprintf(stderr, "Invalid LFSCK type.\n" - "The valid value should be " - "'layout' or 'DNE'.\n"); - return -EINVAL; - } + char *typename; + + if (start.ls_active == LFSCK_TYPES_ALL) + start.ls_active = 0; + while ((typename = strsep(&optarg, ",")) != NULL) { + enum lfsck_type type; + + type = lfsck_name2type(typename); + if (type == -1) + goto bad_type; + start.ls_active |= type; } - if (start.ls_active == 0) { - fprintf(stderr, "Miss LFSCK type(s).\n" - "The valid value should be " - "'layout' or 'DNE'.\n"); + break; +bad_type: + fprintf(stderr, "invalid check type -t '%s'. " + "valid types are:\n", typename); + for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) + fprintf(stderr, "%s%s", i != 0 ? "," : "", + lfsck_types_names[i].ltn_name); + fprintf(stderr, "\n"); + return -EINVAL; + } + case 'w': + val = atoi(optarg); + if (val < 1 || val > LFSCK_ASYNC_WIN_MAX) { + fprintf(stderr, + "Invalid async window size that " + "may cause memory issues. The valid " + "range is [1 - %u].\n", + LFSCK_ASYNC_WIN_MAX); return -EINVAL; } + + start.ls_async_windows = val; + start.ls_valid |= LSV_ASYNC_WINDOWS; break; - } default: fprintf(stderr, "Invalid option, '-h' for help.\n"); return -EINVAL; } } + if (start.ls_active == LFSCK_TYPES_ALL) + start.ls_active = LFSCK_TYPES_DEF; + if (data.ioc_inlbuf4 == NULL) { - fprintf(stderr, - "Must sepcify MDT device to start LFSCK.\n"); - return -EINVAL; + if (lcfg_get_devname() != NULL) { + rc = lfsck_pack_dev(&data, device, lcfg_get_devname()); + if (rc != 0) + return rc; + } else { + fprintf(stderr, + "Must specify device to start LFSCK.\n"); + return -EINVAL; + } } - memset(device, 0, MAX_OBD_NAME); - memcpy(device, data.ioc_inlbuf4, data.ioc_inllen4); - data.ioc_inlbuf4 = device; data.ioc_inlbuf1 = (char *)&start; data.ioc_inllen1 = sizeof(start); memset(buf, 0, sizeof(rawbuf)); @@ -247,20 +322,17 @@ int jt_lfsck_start(int argc, char **argv) } obd_ioctl_unpack(&data, buf, sizeof(rawbuf)); - printf("Started LFSCK on the MDT device %s:", device); - if (start.ls_active == 0) { - printf(" noop"); - } else { - for (i = 0; i < 2; i++) { - if (start.ls_active & lfsck_types_names[i].type) { - printf(" %s", lfsck_types_names[i].name); - start.ls_active &= ~lfsck_types_names[i].type; - } + printf("Started LFSCK on the device %s: scrub", device); + for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) { + if (start.ls_active & lfsck_types_names[i].ltn_type) { + printf(" %s", lfsck_types_names[i].ltn_name); + start.ls_active &= ~lfsck_types_names[i].ltn_type; } - if (start.ls_active != 0) - printf(" unknown(0x%x)", start.ls_active); } + if (start.ls_active != 0) + printf(" unknown(0x%x)", start.ls_active); printf("\n"); + return 0; } @@ -269,21 +341,31 @@ int jt_lfsck_stop(int argc, char **argv) struct obd_ioctl_data data; char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf; char device[MAX_OBD_NAME]; - char *optstring = "M:h"; + struct lfsck_stop stop; + char *optstring = "AhM:"; int opt, index, rc; memset(&data, 0, sizeof(data)); + memset(&stop, 0, sizeof(stop)); + memset(device, 0, MAX_OBD_NAME); + + /* Reset the 'optind' for the case of getopt_long() called multiple + * times under the same lctl. */ + optind = 0; while ((opt = getopt_long(argc, argv, optstring, long_opt_stop, &index)) != EOF) { switch (opt) { - case 'M': - rc = lfsck_pack_dev(&data, optarg); - if (rc != 0) - return rc; + case 'A': + stop.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST; break; case 'h': usage_stop(); return 0; + case 'M': + rc = lfsck_pack_dev(&data, device, optarg); + if (rc != 0) + return rc; + break; default: fprintf(stderr, "Invalid option, '-h' for help.\n"); return -EINVAL; @@ -291,14 +373,19 @@ int jt_lfsck_stop(int argc, char **argv) } if (data.ioc_inlbuf4 == NULL) { - fprintf(stderr, - "Must sepcify MDT device to stop LFSCK.\n"); - return -EINVAL; + if (lcfg_get_devname() != NULL) { + rc = lfsck_pack_dev(&data, device, lcfg_get_devname()); + if (rc != 0) + return rc; + } else { + fprintf(stderr, + "Must specify device to stop LFSCK.\n"); + return -EINVAL; + } } - memset(device, 0, MAX_OBD_NAME); - memcpy(device, data.ioc_inlbuf4, data.ioc_inllen4); - data.ioc_inlbuf4 = device; + data.ioc_inlbuf1 = (char *)&stop; + data.ioc_inllen1 = sizeof(stop); memset(buf, 0, sizeof(rawbuf)); rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf)); if (rc) { @@ -312,6 +399,6 @@ int jt_lfsck_stop(int argc, char **argv) return rc; } - printf("Stopped LFSCK on the MDT device %s.\n", device); + printf("Stopped LFSCK on the device %s.\n", device); return 0; }