* GPL HEADER END
*/
/*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* lustre/utils/lustre_lfsck.c
{"reset", no_argument, 0, 'r'},
{"speed", required_argument, 0, 's'},
{"type", required_argument, 0, 't'},
+ {"windows", required_argument, 0, 'w'},
{0, 0, 0, 0}
};
{0, 0, 0, 0}
};
-struct lfsck_types_names {
- char *name;
- __u16 type;
+struct lfsck_type_name {
+ char *name;
+ int namelen;
+ enum lfsck_type 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[] = {
+ { "layout", 6, LT_LAYOUT },
+ { "namespace", 9, LT_NAMESPACE},
+ { 0, 0, 0 }
};
+static inline int lfsck_name2type(const char *name, int namelen)
+{
+ int i = 0;
+
+ while (lfsck_types_names[i].name != NULL) {
+ if (namelen == lfsck_types_names[i].namelen &&
+ strncmp(lfsck_types_names[i].name, name, namelen) == 0)
+ return lfsck_types_names[i].type;
+ i++;
+ }
+ return 0;
+}
+
static void usage_start(void)
{
fprintf(stderr, "Start LFSCK.\n"
"SYNOPSIS:\n"
- "lfsck_start <-M | --device MDT_device>\n"
+ "lfsck_start <-M | --device [MDT,OST]_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"
+ " [-w | --windows win_size]\n"
"OPTIONS:\n"
- "-M: The MDT device to start LFSCK on.\n"
+ "-M: The device to start LFSCK/scrub 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",
+ "-t: The LFSCK type(s) to be started.\n"
+ "-w: The windows size for async requests pipeline.\n",
LFSCK_SPEED_NO_LIMIT);
}
{
fprintf(stderr, "Stop LFSCK.\n"
"SYNOPSIS:\n"
- "lfsck_stop <-M | --device MDT_device> [-h | --help]\n"
+ "lfsck_stop <-M | --device [MDT,OST]_device> [-h | --help]\n"
"OPTIONS:\n"
- "-M: The MDT device to stop LFSCK on.\n"
+ "-M: The device to stop LFSCK/scrub on.\n"
"-h: Help information.\n");
}
int len = strlen(arg) + 1;
if (len > MAX_OBD_NAME) {
- fprintf(stderr, "MDT device name is too long. "
+ fprintf(stderr, "device name is too long. "
"Valid length should be less than %d\n", MAX_OBD_NAME);
return -EINVAL;
}
char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
char device[MAX_OBD_NAME];
struct lfsck_start start;
- char *optstring = "M:e:hn:rs:t:";
- int opt, index, rc, val, i;
+ char *optstring = "M:e:hn:rs:t:w:";
+ int opt, index, rc, val, i, type;
memset(&data, 0, sizeof(data));
memset(&start, 0, sizeof(start));
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;
- }
+ type = lfsck_name2type(str, strlen(str));
+ if (type == 0) {
+ fprintf(stderr, "Invalid type (%s).\n"
+ "The valid value should be "
+ "'layout' or 'namespace'.\n",
+ str);
+ *p = c;
+ return -EINVAL;
}
+
*p = c;
str = p;
- if (i >= 3 ) {
- fprintf(stderr, "Invalid LFSCK type.\n"
- "The valid value should be "
- "'layout' or 'DNE'.\n");
- return -EINVAL;
- }
+ 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");
+ "'layout' or 'namespace'.\n");
return -EINVAL;
}
break;
}
+ case 'w':
+ val = atoi(optarg);
+ if (val < 0 || val > LFSCK_ASYNC_WIN_MAX) {
+ fprintf(stderr,
+ "Too large async windows size, "
+ "which may cause memory issues. "
+ "The valid range is [0 - %u]. "
+ "If you do not want to restrict "
+ "the windows size for async reqeusts "
+ "pipeline, just set it as 0.\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 (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;
+ }
}
data.ioc_inlbuf1 = (char *)&start;
obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
if (start.ls_active == 0) {
- printf("Started LFSCK on the MDT device %s", device);
+ printf("Started LFSCK on the device %s", device);
} else {
- printf("Started LFSCK on the MDT device %s:", device);
- for (i = 0; i < 2; i++) {
+ printf("Started LFSCK on the device %s:", device);
+ i = 0;
+ while (lfsck_types_names[i].name != NULL) {
if (start.ls_active & lfsck_types_names[i].type) {
printf(" %s", lfsck_types_names[i].name);
start.ls_active &= ~lfsck_types_names[i].type;
}
+ i++;
}
if (start.ls_active != 0)
printf(" unknown(0x%x)", start.ls_active);
}
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(buf, 0, sizeof(rawbuf));
return rc;
}
- printf("Stopped LFSCK on the MDT device %s.\n", device);
+ printf("Stopped LFSCK on the device %s.\n", device);
return 0;
}