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Code Packages

fiemap, fiewalk: drop dead example/test code

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These tools are obsolete.  fiemap was a thin wrapper around FIEMAP,
but FIEMAP is not useful on btrfs.  fiewalk was a thin wrapper around
BtrfsExtentWalker, but development on BtrfsExtentWalker has been
abandoned.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell 2021-11-04 01:48:53 -04:00
parent facf4121a6
commit ccd8dcd43f
3 changed files with 1 additions and 106 deletions
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12
src/Makefile
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@ -1,11 +1,6 @@
BEES = ../bin/bees
PROGRAMS = \
../bin/fiemap \
../bin/fiewalk \
PROGRAM_OBJS = $(foreach b,$(PROGRAMS),$(patsubst ../bin/%,%.o,$(b)))
all: $(BEES) $(PROGRAMS)
all: $(BEES)
include ../makeflags
-include ../localconf
@ -51,11 +46,6 @@ include depends.mk
%.o: %.cc ../makeflags
$(CXX) $(BEES_CXXFLAGS) -o $@ -c $<
$(PROGRAMS): ../bin/%: %.o
$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $< $(LIBS)
$(PROGRAMS): ../lib/libcrucible.a
$(BEES): $(BEES_OBJS) bees-version.o bees-usage.o ../lib/libcrucible.a
$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)

55
src/fiemap.cc
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@ -1,55 +0,0 @@
#include "crucible/fd.h"
#include "crucible/fs.h"
#include "crucible/error.h"
#include "crucible/string.h"
#include <iostream>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
using namespace crucible;
using namespace std;
int
main(int argc, char **argv)
{
catch_all([&]() {
THROW_CHECK1(invalid_argument, argc, argc > 1);
string filename = argv[1];
cout << "File: " << filename << endl;
Fd fd = open_or_die(filename, O_RDONLY);
uint64_t start = 0;
uint64_t length = Fiemap::s_fiemap_max_offset;
if (argc > 2) { start = stoull(argv[2], nullptr, 0); }
if (argc > 3) { length = stoull(argv[3], nullptr, 0); }
length = min(length, Fiemap::s_fiemap_max_offset - start);
Fiemap fm(start, length);
fm.m_flags &= ~(FIEMAP_FLAG_SYNC);
fm.m_max_count = 100;
if (argc > 4) { fm.m_flags = stoull(argv[4], nullptr, 0); }
uint64_t stop_at = start + length;
uint64_t last_byte = start;
do {
fm.do_ioctl(fd);
// cerr << fm;
uint64_t last_logical = Fiemap::s_fiemap_max_offset;
for (auto &extent : fm.m_extents) {
if (extent.fe_logical > last_byte) {
cout << "Log " << to_hex(last_byte) << ".." << to_hex(extent.fe_logical) << " Hole" << endl;
}
cout << "Log " << to_hex(extent.fe_logical) << ".." << to_hex(extent.fe_logical + extent.fe_length)
<< " Phy " << to_hex(extent.fe_physical) << ".." << to_hex(extent.fe_physical + extent.fe_length)
<< " Flags " << fiemap_extent_flags_ntoa(extent.fe_flags) << endl;
last_logical = extent.fe_logical + extent.fe_length;
last_byte = last_logical;
}
fm.m_start = last_logical;
} while (fm.m_start < stop_at);
});
exit(EXIT_SUCCESS);
}

40
src/fiewalk.cc
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@ -1,40 +0,0 @@
#include "crucible/extentwalker.h"
#include "crucible/error.h"
#include "crucible/string.h"
#include <iostream>
#include <fcntl.h>
#include <unistd.h>
using namespace crucible;
using namespace std;
int
main(int argc, char **argv)
{
catch_all([&]() {
THROW_CHECK1(invalid_argument, argc, argc > 1);
string filename = argv[1];
cout << "File: " << filename << endl;
Fd fd = open_or_die(filename, O_RDONLY);
BtrfsExtentWalker ew(fd);
off_t pos = 0;
if (argc > 2) { pos = stoull(argv[2], nullptr, 0); }
ew.seek(pos);
do {
// cout << "\n\n>>>" << ew.current() << "<<<\n\n" << endl;
cout << ew.current() << endl;
} while (ew.next());
#if 0
cout << "\n\n\nAnd now, backwards...\n\n\n" << endl;
do {
cout << "\n\n>>>" << ew.current() << "<<<\n\n" << endl;
} while (ew.prev());
cout << "\n\n\nDone!\n\n\n" << endl;
#endif
});
exit(EXIT_SUCCESS);
}