#include "cmds-fi-usage.h"
#include "commands.h"
+#include "help.h"
+#include "mkfs/common.h"
static const char * const device_cmd_group_usage[] = {
"btrfs device <command> [<args>]",
}
static const char * const cmd_device_stats_usage[] = {
- "btrfs device stats [-z] <path>|<device>",
- "Show current device IO stats.",
+ "btrfs device stats [options] <path>|<device>",
+ "Show device IO error statistics",
+ "Show device IO error statistics for all devices of the given filesystem",
+ "identified by PATH or DEVICE. The filesystem must be mounted.",
"",
- "-z show current stats and reset values to zero",
- "-s return non-zero if any stat counter is not zero",
+ "-c|--check return non-zero if any stat counter is not zero",
+ "-z|--reset show current stats and reset values to zero",
NULL
};
int ret;
int fdmnt;
int i;
- int c;
int err = 0;
- int status = 0;
+ int check = 0;
__u64 flags = 0;
DIR *dirstream = NULL;
- while ((c = getopt(argc, argv, "zs")) != -1) {
+ while (1) {
+ int c;
+ static const struct option long_options[] = {
+ {"reset", no_argument, NULL, 'z'},
+ {NULL, 0, NULL, 0}
+ };
+
+ c = getopt_long(argc, argv, "cz", long_options, NULL);
+ if (c < 0)
+ break;
+
switch (c) {
+ case 'c':
+ check = 1;
+ break;
case 'z':
flags = BTRFS_DEV_STATS_RESET;
break;
- case 's':
- status = 1;
- break;
case '?':
default:
usage(cmd_device_stats_usage);
dev_stats[j].name,
(unsigned long long)
args.values[dev_stats[j].num]);
- if ((status == 1)
+ if ((check == 1)
&& (args.values[dev_stats[j].num] > 0))
err |= 64;
}
for (i = 0; i < devcount; i++) {
printf("%s, ID: %llu\n", devinfo[i].path, devinfo[i].devid);
- print_device_sizes(fd, &devinfo[i], unit_mode);
+ print_device_sizes(&devinfo[i], unit_mode);
print_device_chunks(fd, &devinfo[i], chunkinfo, chunkcount,
unit_mode);
printf("\n");