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LU-1267 lfsck: framework (3) for MDT-OST consistency
[fs/lustre-release.git]
/
lustre
/
utils
/
lustre_lfsck.c
diff --git
a/lustre/utils/lustre_lfsck.c
b/lustre/utils/lustre_lfsck.c
index
289c8fd
..
e04cc21
100644
(file)
--- a/
lustre/utils/lustre_lfsck.c
+++ b/
lustre/utils/lustre_lfsck.c
@@
-53,6
+53,7
@@
static struct option long_opt_start[] = {
{"reset", no_argument, 0, 'r'},
{"speed", required_argument, 0, 's'},
{"type", required_argument, 0, 't'},
+ {"windows", required_argument, 0, 'w'},
{0, 0, 0, 0}
};
@@
-96,6
+97,7
@@
static void usage_start(void)
" [-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 device to start LFSCK/scrub on.\n"
"-e: Error handle, 'continue'(default) or 'abort'.\n"
@@
-104,7
+106,8
@@
static void usage_start(void)
"-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);
}
@@
-141,7
+144,7
@@
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:hn:rs:t:";
+ char *optstring = "M:e:hn:rs:t:
w:
";
int opt, index, rc, val, i, type;
memset(&data, 0, sizeof(data));
@@
-234,6
+237,23
@@
int jt_lfsck_start(int argc, char **argv)
}
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;