fsck.f2fs: support -p without argument
This patch allows fsck run -p without argument. So we could use -p as
-p, -p 0, -p 1. '-p' and '-p 0' have the same meaning as '-a'. '-p 1'
check more meta data than '-a'.
Reported-by: KARBOWSKI Piotr <piotr.karbowski@gmail.com>
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fsck/main.c b/fsck/main.c
index 39ef8d3..0ac1711 100644
--- a/fsck/main.c
+++ b/fsck/main.c
@@ -17,6 +17,7 @@
*/
#include "fsck.h"
#include <libgen.h>
+#include <ctype.h>
struct f2fs_fsck gfsck;
@@ -77,13 +78,54 @@
exit(1);
}
+static void __handle_fsck_args(int optopt)
+{
+ switch (optopt) {
+ case 'p':
+ MSG(0, "Info: Use default preen mode\n");
+ c.preen_mode = PREEN_MODE_0;
+ c.auto_fix = 1;
+ break;
+ default:
+ MSG(0, "\tError: Need argument for -%c\n", optopt);
+ fsck_usage();
+ }
+}
+
+static int is_digits(char *optarg)
+{
+ int i;
+
+ for (i = 0; i < strlen(optarg); i++)
+ if (!isdigit(optarg[i]))
+ break;
+ return i == strlen(optarg);
+}
+
void f2fs_parse_options(int argc, char *argv[])
{
int option = 0;
char *prog = basename(argv[0]);
+ int err = 0;
+
+ if (argc < 2) {
+ MSG(0, "\tError: Device not specified\n");
+ if (c.func == FSCK)
+ fsck_usage();
+ else if (c.func == DUMP)
+ dump_usage();
+ else if (c.func == DEFRAG)
+ defrag_usage();
+ else if (c.func == RESIZE)
+ resize_usage();
+ else if (c.func == SLOAD)
+ sload_usage();
+ }
+ c.devices[0].path = strdup(argv[argc - 1]);
+ argv[argc-- - 1] = 0;
if (!strcmp("fsck.f2fs", prog)) {
- const char *option_string = "ad:fp:t";
+ const char *option_string = ":ad:fp:t";
c.func = FSCK;
while ((option = getopt(argc, argv, option_string)) != EOF) {
@@ -97,6 +139,16 @@
* 0: default level, the same as -a
* 1: check meta
*/
+ if (optarg[0] == '-') {
+ c.preen_mode = PREEN_MODE_0;
+ optind--;
+ break;
+ } else if (!is_digits(optarg)) {
+ MSG(0, "\tError: Wrong option -%c %s\n",
+ option, optarg);
+ err = 1;
+ break;
+ }
c.preen_mode = atoi(optarg);
if (c.preen_mode < 0)
c.preen_mode = PREEN_MODE_0;
@@ -108,9 +160,19 @@
"preen mode %d\n", c.preen_mode);
break;
case 'd':
+ if (optarg[0] == '-') {
+ MSG(0, "\tError: Need argument for -%c\n",
+ option);
+ err = 1;
+ break;
+ } else if (!is_digits(optarg)) {
+ MSG(0, "\tError: Wrong option -%c %s\n",
+ option, optarg);
+ err = 1;
+ break;
+ }
c.dbg_lv = atoi(optarg);
- MSG(0, "Info: Debug level = %d\n",
- c.dbg_lv);
+ MSG(0, "Info: Debug level = %d\n", c.dbg_lv);
break;
case 'f':
c.fix_on = 1;
@@ -119,11 +181,25 @@
case 't':
c.dbg_lv = -1;
break;
+ case ':':
+ __handle_fsck_args(optopt);
+ break;
+ case '?':
+ MSG(0, "\tError: Unknown option %c\n", optopt);
+ err = 1;
+ break;
default:
MSG(0, "\tError: Unknown option %c\n", option);
- fsck_usage();
+ err = 1;
break;
}
+ if (err)
+ fsck_usage();
+ }
+ if (argc > optind) {
+ c.dbg_lv = 0;
+ MSG(0, "\tError: Unknown argument %s\n", argv[optind]);
+ fsck_usage();
}
} else if (!strcmp("dump.f2fs", prog)) {
const char *option_string = "d:i:n:s:a:b:";
@@ -287,21 +363,6 @@
}
}
}
-
- if ((optind + 1) != argc) {
- MSG(0, "\tError: Device not specified\n");
- if (c.func == FSCK)
- fsck_usage();
- else if (c.func == DUMP)
- dump_usage();
- else if (c.func == DEFRAG)
- defrag_usage();
- else if (c.func == RESIZE)
- resize_usage();
- else if (c.func == SLOAD)
- sload_usage();
- }
- c.devices[0].path = strdup(argv[optind]);
}
static void do_fsck(struct f2fs_sb_info *sbi)