static int parse_filters(char *filters, struct btrfs_balance_args *args)
{
char *this_char;
char *value;
char *save_ptr = NULL; /* Satisfy static checkers */
if (!filters)
return 0;
for (this_char = strtok_r(filters, ",", &save_ptr);
this_char != NULL;
this_char = strtok_r(NULL, ",", &save_ptr)) {
if ((value = strchr(this_char, '=')) != NULL)
*value++ = 0;
if (!strcmp(this_char, "profiles")) {
if (!value || !*value) {
error("the profiles filter requires an argument");
return 1;
}
if (parse_profiles(value, &args->profiles)) {
error("invalid profiles argument");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_PROFILES;
} else if (!strcmp(this_char, "usage")) {
if (!value || !*value) {
error("the usage filter requires an argument");
return 1;
}
if (parse_u64(value, &args->usage)) {
if (parse_range_u32(value, &args->usage_min,
&args->usage_max)) {
error("invalid usage argument: %s",
value);
return 1;
}
if (args->usage_max > 100) {
error("invalid usage argument: %s",
value);
}
args->flags &= ~BTRFS_BALANCE_ARGS_USAGE;
args->flags |= BTRFS_BALANCE_ARGS_USAGE_RANGE;
} else {
if (args->usage > 100) {
error("invalid usage argument: %s",
value);
return 1;
}
args->flags &= ~BTRFS_BALANCE_ARGS_USAGE_RANGE;
args->flags |= BTRFS_BALANCE_ARGS_USAGE;
}
args->flags |= BTRFS_BALANCE_ARGS_USAGE;
} else if (!strcmp(this_char, "devid")) {
if (!value || !*value) {
error("the devid filter requires an argument");
return 1;
}
if (parse_u64(value, &args->devid) || args->devid == 0) {
error("invalid devid argument: %s", value);
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_DEVID;
} else if (!strcmp(this_char, "drange")) {
if (!value || !*value) {
error("the drange filter requires an argument");
return 1;
}
if (parse_range_strict(value, &args->pstart, &args->pend)) {
error("invalid drange argument");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_DRANGE;
} else if (!strcmp(this_char, "vrange")) {
if (!value || !*value) {
error("the vrange filter requires an argument");
return 1;
}
if (parse_range_strict(value, &args->vstart, &args->vend)) {
error("invalid vrange argument");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_VRANGE;
} else if (!strcmp(this_char, "convert")) {
if (!value || !*value) {
error("the convert option requires an argument");
return 1;
}
if (parse_one_profile(value, &args->target)) {
error("invalid convert argument");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_CONVERT;
} else if (!strcmp(this_char, "soft")) {
args->flags |= BTRFS_BALANCE_ARGS_SOFT;
} else if (!strcmp(this_char, "limit")) {
if (!value || !*value) {
error("the limit filter requires an argument");
return 1;
}
if (parse_u64(value, &args->limit)) {
if (parse_range_u32(value, &args->limit_min,
&args->limit_max)) {
error("Invalid limit argument: %s",
value);
return 1;
}
args->flags &= ~BTRFS_BALANCE_ARGS_LIMIT;
args->flags |= BTRFS_BALANCE_ARGS_LIMIT_RANGE;
} else {
args->flags &= ~BTRFS_BALANCE_ARGS_LIMIT_RANGE;
args->flags |= BTRFS_BALANCE_ARGS_LIMIT;
}
} else if (!strcmp(this_char, "stripes")) {
if (!value || !*value) {
error("the stripes filter requires an argument");
return 1;
}
if (parse_range_u32(value, &args->stripes_min,
&args->stripes_max)) {
error("invalid stripes argument");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_STRIPES_RANGE;
} else {
error("unrecognized balance option: %s", this_char);
return 1;
}
}
return 0;
}
static int parse_filters(char *filters, struct btrfs_balance_args *args)
{
char *this_char;
char *value;
char *save_ptr = NULL; /* Satisfy static checkers */
if (!filters)
return 0;
for (this_char = strtok_r(filters, ",", &save_ptr);
this_char != NULL;
this_char = strtok_r(NULL, ",", &save_ptr)) {
if ((value = strchr(this_char, '=')) != NULL)
*value++ = 0;
if (!strcmp(this_char, "profiles")) {
if (!value || !*value) {
fprintf(stderr, "the profiles filter requires "
"an argument\n");
return 1;
}
if (parse_profiles(value, &args->profiles)) {
fprintf(stderr, "Invalid profiles argument\n");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_PROFILES;
} else if (!strcmp(this_char, "usage")) {
if (!value || !*value) {
fprintf(stderr, "the usage filter requires "
"an argument\n");
return 1;
}
if (parse_u64(value, &args->usage) ||
args->usage > 100) {
fprintf(stderr, "Invalid usage argument: %s\n",
value);
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_USAGE;
} else if (!strcmp(this_char, "devid")) {
if (!value || !*value) {
fprintf(stderr, "the devid filter requires "
"an argument\n");
return 1;
}
if (parse_u64(value, &args->devid) ||
args->devid == 0) {
fprintf(stderr, "Invalid devid argument: %s\n",
value);
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_DEVID;
} else if (!strcmp(this_char, "drange")) {
if (!value || !*value) {
fprintf(stderr, "the drange filter requires "
"an argument\n");
return 1;
}
if (parse_range(value, &args->pstart, &args->pend)) {
fprintf(stderr, "Invalid drange argument\n");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_DRANGE;
} else if (!strcmp(this_char, "vrange")) {
if (!value || !*value) {
fprintf(stderr, "the vrange filter requires "
"an argument\n");
return 1;
}
if (parse_range(value, &args->vstart, &args->vend)) {
fprintf(stderr, "Invalid vrange argument\n");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_VRANGE;
} else if (!strcmp(this_char, "convert")) {
if (!value || !*value) {
fprintf(stderr, "the convert option requires "
"an argument\n");
return 1;
}
if (parse_one_profile(value, &args->target)) {
fprintf(stderr, "Invalid convert argument\n");
return 1;
}
args->flags |= BTRFS_BALANCE_ARGS_CONVERT;
} else if (!strcmp(this_char, "soft")) {
args->flags |= BTRFS_BALANCE_ARGS_SOFT;
} else {
fprintf(stderr, "Unrecognized balance option '%s'\n",
this_char);
return 1;
}
}
return 0;
}