thin-provisioning-tools/base/file_utils.h
Joe Thornber 5b92f410ec [*_restore] if things go wrong wipe the superblock.
So we don't leave the metadata device with partially restored metadata.
2017-09-28 14:39:24 +01:00

23 lines
693 B
C++

#ifndef BASE_FILE_UTILS_H
#define BASE_FILE_UTILS_H
#include <string>
#include <sys/types.h>
#include <stdint.h>
//----------------------------------------------------------------
namespace file_utils {
int open_file(std::string const &path, int flags);
bool file_exists(std::string const &path);
void check_file_exists(std::string const &file);
int create_block_file(std::string const &path, off_t file_size);
int open_block_file(std::string const &path, off_t min_size, bool writeable, bool excl = true);
uint64_t get_file_length(std::string const &file);
void zero_superblock(std::string const &path);
}
//----------------------------------------------------------------
#endif