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[thin_show_duplicates] add --block-sectors switch

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This commit is contained in:
Joe Thornber 2015-08-19 13:07:56 +01:00
parent 519cbfd855
commit 929a824184
1 changed files with 19 additions and 0 deletions
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19
thin-provisioning/thin_show_duplicates.cc
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@ -34,6 +34,7 @@
#include "thin-provisioning/superblock.h"
#include <boost/uuid/sha1.hpp>
#include <boost/lexical_cast.hpp>
#include <vector>
using namespace base;
@ -58,6 +59,19 @@ namespace {
return tm;
}
uint64_t parse_int(string const &str, string const &desc) {
try {
return boost::lexical_cast<uint64_t>(str);
} catch (...) {
ostringstream out;
out << "Couldn't parse " << desc << ": '" << str << "'";
exit(1);
}
return 0; // never get here
}
//--------------------------------
struct flags {
@ -197,6 +211,7 @@ int thin_show_dups_main(int argc, char **argv)
char const shortopts[] = "qhV";
option const longopts[] = {
{ "block-sectors", required_argument, NULL, 1},
{ "help", no_argument, NULL, 'h'},
{ "version", no_argument, NULL, 'V'},
{ NULL, no_argument, NULL, 0 }
@ -212,6 +227,10 @@ int thin_show_dups_main(int argc, char **argv)
cout << THIN_PROVISIONING_TOOLS_VERSION << endl;
return 0;
case 1:
fs.block_size = 512 * parse_int(optarg, "block sectors");
break;
default:
usage(cerr, basename(argv[0]));
return 1;