#include "ctree.h"
#include "ioctl.h"
#include "utils.h"
+#include "cmds-fi-usage.h"
#include "commands.h"
DIR *dirstream = NULL;
int discard = 1;
int force = 0;
- char estr[100];
while (1) {
- int long_index;
- static struct option long_options[] = {
+ int c;
+ static const struct option long_options[] = {
{ "nodiscard", optional_argument, NULL, 'K'},
{ "force", no_argument, NULL, 'f'},
- { 0, 0, 0, 0 }
+ { NULL, 0, NULL, 0}
};
- int c = getopt_long(argc, argv, "Kf", long_options,
- &long_index);
+
+ c = getopt_long(argc, argv, "Kf", long_options, NULL);
if (c < 0)
break;
switch (c) {
int mixed = 0;
char *path;
- res = test_dev_for_mkfs(argv[i], force, estr);
+ res = test_dev_for_mkfs(argv[i], force);
if (res) {
- fprintf(stderr, "%s", estr);
ret++;
continue;
}
goto error_out;
}
+ memset(&ioctl_args, 0, sizeof(ioctl_args));
strncpy_null(ioctl_args.name, path);
res = ioctl(fdmnt, BTRFS_IOC_ADD_DEV, &ioctl_args);
e = errno;
return !!ret;
}
-static const char * const cmd_rm_dev_usage[] = {
- "btrfs device delete <device> [<device>...] <path>",
- "Remove a device from a filesystem",
- NULL
-};
-
-static int cmd_rm_dev(int argc, char **argv)
+static int _cmd_rm_dev(int argc, char **argv, const char * const *usagestr)
{
char *mntpnt;
int i, fdmnt, ret=0, e;
DIR *dirstream = NULL;
if (check_argc_min(argc, 3))
- usage(cmd_rm_dev_usage);
+ usage(usagestr);
mntpnt = argv[argc - 1];
ret++;
continue;
}
+ memset(&arg, 0, sizeof(arg));
strncpy_null(arg.name, argv[i]);
res = ioctl(fdmnt, BTRFS_IOC_RM_DEV, &arg);
e = errno;
- if (res > 0) {
- fprintf(stderr,
- "ERROR: error removing the device '%s' - %s\n",
- argv[i], btrfs_err_str(res));
- ret++;
- } else if (res < 0) {
+ if (res) {
+ const char *msg;
+
+ if (res > 0)
+ msg = btrfs_err_str(res);
+ else
+ msg = strerror(e);
fprintf(stderr,
"ERROR: error removing the device '%s' - %s\n",
- argv[i], strerror(e));
+ argv[i], msg);
ret++;
}
}
return !!ret;
}
+static const char * const cmd_rm_dev_usage[] = {
+ "btrfs device remove <device> [<device>...] <path>",
+ "Remove a device from a filesystem",
+ NULL
+};
+
+static int cmd_rm_dev(int argc, char **argv)
+{
+ return _cmd_rm_dev(argc, argv, cmd_rm_dev_usage);
+}
+
+static const char * const cmd_del_dev_usage[] = {
+ "btrfs device delete <device> [<device>...] <path>",
+ "Remove a device from a filesystem",
+ NULL
+};
+
+static int cmd_del_dev(int argc, char **argv)
+{
+ return _cmd_rm_dev(argc, argv, cmd_del_dev_usage);
+}
+
static const char * const cmd_scan_dev_usage[] = {
"btrfs device scan [(-d|--all-devices)|<device> [<device>...]]",
"Scan devices for a btrfs filesystem",
optind = 1;
while (1) {
- int long_index;
- static struct option long_options[] = {
+ int c;
+ static const struct option long_options[] = {
{ "all-devices", no_argument, NULL, 'd'},
- { 0, 0, 0, 0 },
+ { NULL, 0, NULL, 0}
};
- int c = getopt_long(argc, argv, "d", long_options,
- &long_index);
+
+ c = getopt_long(argc, argv, "d", long_options, NULL);
if (c < 0)
break;
switch (c) {
goto out;
}
- strncpy(args.name, path, BTRFS_PATH_NAME_MAX);
+ memset(&args, 0, sizeof(args));
+ strncpy_null(args.name, path);
ret = ioctl(fd, BTRFS_IOC_DEVICES_READY, &args);
if (ret < 0) {
fprintf(stderr, "ERROR: unable to determine if the device '%s'"
path, strerror(errno));
err = 1;
} else {
+ char *canonical_path;
+
+ canonical_path = canonicalize_path((char *)path);
+
if (args.nr_items >= BTRFS_DEV_STAT_WRITE_ERRS + 1)
printf("[%s].write_io_errs %llu\n",
- path,
+ canonical_path,
(unsigned long long) args.values[
BTRFS_DEV_STAT_WRITE_ERRS]);
if (args.nr_items >= BTRFS_DEV_STAT_READ_ERRS + 1)
printf("[%s].read_io_errs %llu\n",
- path,
+ canonical_path,
(unsigned long long) args.values[
BTRFS_DEV_STAT_READ_ERRS]);
if (args.nr_items >= BTRFS_DEV_STAT_FLUSH_ERRS + 1)
printf("[%s].flush_io_errs %llu\n",
- path,
+ canonical_path,
(unsigned long long) args.values[
BTRFS_DEV_STAT_FLUSH_ERRS]);
if (args.nr_items >= BTRFS_DEV_STAT_CORRUPTION_ERRS + 1)
printf("[%s].corruption_errs %llu\n",
- path,
+ canonical_path,
(unsigned long long) args.values[
BTRFS_DEV_STAT_CORRUPTION_ERRS]);
if (args.nr_items >= BTRFS_DEV_STAT_GENERATION_ERRS + 1)
printf("[%s].generation_errs %llu\n",
- path,
+ canonical_path,
(unsigned long long) args.values[
BTRFS_DEV_STAT_GENERATION_ERRS]);
+
+ free(canonical_path);
}
}
return err;
}
+const char * const cmd_device_usage_usage[] = {
+ "btrfs device usage [options] <path> [<path>..]",
+ "Show detailed information about internal allocations in devices.",
+ "-b|--raw raw numbers in bytes",
+ "-h|--human-readable",
+ " human friendly numbers, base 1024 (default)",
+ "-H human friendly numbers, base 1000",
+ "--iec use 1024 as a base (KiB, MiB, GiB, TiB)",
+ "--si use 1000 as a base (kB, MB, GB, TB)",
+ "-k|--kbytes show sizes in KiB, or kB with --si",
+ "-m|--mbytes show sizes in MiB, or MB with --si",
+ "-g|--gbytes show sizes in GiB, or GB with --si",
+ "-t|--tbytes show sizes in TiB, or TB with --si",
+ NULL
+};
+
+static int _cmd_device_usage(int fd, char *path, unsigned unit_mode)
+{
+ int i;
+ int ret = 0;
+ struct chunk_info *chunkinfo = NULL;
+ struct device_info *devinfo = NULL;
+ int chunkcount = 0;
+ int devcount = 0;
+
+ ret = load_chunk_and_device_info(fd, &chunkinfo, &chunkcount, &devinfo,
+ &devcount);
+ if (ret)
+ goto out;
+
+ 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_chunks(fd, &devinfo[i], chunkinfo, chunkcount,
+ unit_mode);
+ printf("\n");
+ }
+
+out:
+ free(devinfo);
+ free(chunkinfo);
+
+ return ret;
+}
+
+int cmd_device_usage(int argc, char **argv)
+{
+ unsigned unit_mode = UNITS_DEFAULT;
+ int ret = 0;
+ int i, more_than_one = 0;
+
+ optind = 1;
+ while (1) {
+ int c;
+ static const struct option long_options[] = {
+ { "raw", no_argument, NULL, 'b'},
+ { "kbytes", no_argument, NULL, 'k'},
+ { "mbytes", no_argument, NULL, 'm'},
+ { "gbytes", no_argument, NULL, 'g'},
+ { "tbytes", no_argument, NULL, 't'},
+ { "si", no_argument, NULL, GETOPT_VAL_SI},
+ { "iec", no_argument, NULL, GETOPT_VAL_IEC},
+ { "human-readable", no_argument, NULL,
+ GETOPT_VAL_HUMAN_READABLE},
+ { NULL, 0, NULL, 0 }
+ };
+
+ c = getopt_long(argc, argv, "bhHkmgt", long_options, NULL);
+ if (c < 0)
+ break;
+ switch (c) {
+ case 'b':
+ unit_mode = UNITS_RAW;
+ break;
+ case 'k':
+ units_set_base(&unit_mode, UNITS_KBYTES);
+ break;
+ case 'm':
+ units_set_base(&unit_mode, UNITS_MBYTES);
+ break;
+ case 'g':
+ units_set_base(&unit_mode, UNITS_GBYTES);
+ break;
+ case 't':
+ units_set_base(&unit_mode, UNITS_TBYTES);
+ break;
+ case GETOPT_VAL_HUMAN_READABLE:
+ case 'h':
+ unit_mode = UNITS_HUMAN_BINARY;
+ break;
+ case 'H':
+ unit_mode = UNITS_HUMAN_DECIMAL;
+ break;
+ case GETOPT_VAL_SI:
+ units_set_mode(&unit_mode, UNITS_DECIMAL);
+ break;
+ case GETOPT_VAL_IEC:
+ units_set_mode(&unit_mode, UNITS_BINARY);
+ break;
+ default:
+ usage(cmd_device_usage_usage);
+ }
+ }
+
+ if (check_argc_min(argc - optind, 1))
+ usage(cmd_device_usage_usage);
+
+ for (i = optind; i < argc ; i++) {
+ int fd;
+ DIR *dirstream = NULL;
+ if (more_than_one)
+ printf("\n");
+
+ fd = open_file_or_dir(argv[i], &dirstream);
+ if (fd < 0) {
+ fprintf(stderr, "ERROR: can't access '%s'\n",
+ argv[1]);
+ ret = 1;
+ goto out;
+ }
+
+ ret = _cmd_device_usage(fd, argv[i], unit_mode);
+ close_file_or_dir(fd, dirstream);
+
+ if (ret)
+ goto out;
+ more_than_one = 1;
+ }
+out:
+ return !!ret;
+}
+
+static const char device_cmd_group_info[] =
+"manage and query devices in the filesystem";
+
const struct cmd_group device_cmd_group = {
- device_cmd_group_usage, NULL, {
+ device_cmd_group_usage, device_cmd_group_info, {
{ "add", cmd_add_dev, cmd_add_dev_usage, NULL, 0 },
- { "delete", cmd_rm_dev, cmd_rm_dev_usage, NULL, 0 },
+ { "delete", cmd_del_dev, cmd_del_dev_usage, NULL, CMD_ALIAS },
+ { "remove", cmd_rm_dev, cmd_rm_dev_usage, NULL, 0 },
{ "scan", cmd_scan_dev, cmd_scan_dev_usage, NULL, 0 },
{ "ready", cmd_ready_dev, cmd_ready_dev_usage, NULL, 0 },
{ "stats", cmd_dev_stats, cmd_dev_stats_usage, NULL, 0 },
+ { "usage", cmd_device_usage,
+ cmd_device_usage_usage, NULL, 0 },
NULL_CMD_STRUCT
}
};
projects / platform / upstream / btrfs-progs.git / blobdiff