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[thin_dump] --skip-mappings

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This commit is contained in:
Joe Thornber 2016-03-22 15:01:37 +00:00
parent ad4fd30a27
commit 4370f048c0
4 changed files with 14 additions and 3 deletions
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5
man8/thin_dump.8
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@ -39,10 +39,13 @@ the thin provisioning device-mapper target, else try the one at block#.
See the thin provisioning target documentation on how to create or release See the thin provisioning target documentation on how to create or release
a metadata snapshot and retrieve the block number from the kernel. a metadata snapshot and retrieve the block number from the kernel.
.IP "\fN\-\-dev\-id\fP <dev-id>". .IP "\fB\-\-dev\-id\fP <dev-id>".
Dump the specified device. This option may be specified multiple Dump the specified device. This option may be specified multiple
times to select more than one thin device. times to select more than one thin device.
.IP "\fB\-\-skip\-mappings".
Do not dump the mappings.
.IP "\fB\-h, \-\-help\fP". .IP "\fB\-h, \-\-help\fP".
Print help and exit. Print help and exit.

3
thin-provisioning/metadata_dumper.cc
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@ -195,7 +195,8 @@ namespace {
d.snapshotted_time_); d.snapshotted_time_);
try { try {
emit_mappings(tree_root); if (!opts_.skip_mappings_)
emit_mappings(tree_root);
} catch (exception &e) { } catch (exception &e) {
cerr << e.what(); cerr << e.what();
e_->end_device(); e_->end_device();

4
thin-provisioning/metadata_dumper.h
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@ -31,7 +31,8 @@ namespace thin_provisioning {
class dump_options { class dump_options {
public: public:
dump_options() dump_options()
: repair_(false) { : repair_(false),
skip_mappings_(false) {
} }
bool selected_dev(uint64_t dev_id) const { bool selected_dev(uint64_t dev_id) const {
@ -46,6 +47,7 @@ namespace thin_provisioning {
} }
bool repair_; bool repair_;
bool skip_mappings_;
using dev_set = std::set<uint64_t>; using dev_set = std::set<uint64_t>;
using maybe_dev_set = boost::optional<dev_set>; using maybe_dev_set = boost::optional<dev_set>;

5
thin-provisioning/thin_dump.cc
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@ -128,6 +128,7 @@ thin_dump_cmd::run(int argc, char **argv)
{ "format", required_argument, NULL, 'f' }, { "format", required_argument, NULL, 'f' },
{ "repair", no_argument, NULL, 'r'}, { "repair", no_argument, NULL, 'r'},
{ "dev-id", required_argument, NULL, 1 }, { "dev-id", required_argument, NULL, 1 },
{ "skip-mappings", no_argument, NULL, 2 },
{ "version", no_argument, NULL, 'V'}, { "version", no_argument, NULL, 'V'},
{ NULL, no_argument, NULL, 0 } { NULL, no_argument, NULL, 0 }
}; };
@ -175,6 +176,10 @@ thin_dump_cmd::run(int argc, char **argv)
flags.opts.select_dev(dev_id); flags.opts.select_dev(dev_id);
break; break;
case 2:
flags.opts.skip_mappings_ = true;
break;
case 'V': case 'V':
cout << THIN_PROVISIONING_TOOLS_VERSION << endl; cout << THIN_PROVISIONING_TOOLS_VERSION << endl;
return 0; return 0;