bool zz_vfs_pkg_system::open_filesystem (const char * filesystem_name_in)
{
assert(filesystem_name_in);
if (filesystem_name_in[0] == '\0') {
ZZ_LOG("vfs_pkg_system: open_filesystem(%s) failed. not a valid name.\n", filesystem_name_in);
return false;
}
assert(!fsystem_);
if (fsystem_) {
ZZ_LOG("vfs_pkg_system: open_filesystem(%s) failed. already opened\n", filesystem_name_in);
close_filesystem();
}
//ZZ_LOG("vfs_pkg: open_filesystem(%s)\n", filesystem_name);
zz_slash_converter filesystem_name(filesystem_name_in);
fsystem_ = OpenVFS(filesystem_name, "mr"); // memory-mapped io read
assert(fsystem_);
if (!fsystem_) {
ZZ_LOG("vfs_pkg_system: open_filesystem(%s) failed. cannot open.\n", filesystem_name);
return false;
}
return true;
}
int dfs_format(vfs_devno_t devno, char *opts)
{
int blocksize;
int inode_ratio;
int quick;
struct filsys *fs;
blocksize = DEFAULT_BLOCKSIZE;
inode_ratio = DEFAULT_INODE_RATIO;
quick = 0;
if (parse_options(opts, &blocksize, &inode_ratio, &quick) != 0) return -1;
fs = create_filesystem(devno, blocksize, inode_ratio, quick);
if (!fs) return -1;
close_filesystem(fs);
return 0;
}
bool zz_vfs_pkg_system::set_filesystem (VHANDLE fsystem_in)
{
assert(!fsystem_in);
if (fsystem_) {
close_filesystem();
}
fsystem_ = fsystem_in;
if (!fsystem_) {
ZZ_LOG("vfs_pkg_system: set_filesystem() failed. invalid fsystem_.\n");
return false;
}
return true;
}
int dfs_unmount(struct fs *fs)
{
close_filesystem((struct filsys *) fs->data);
return 0;
}
void do_close_filesys(int argc, char **argv)
{
if (common_args_process(argc, argv, 1, 1, "close_filesys", "", 0))
return;
close_filesystem();
}
zz_vfs_pkg_system::~zz_vfs_pkg_system()
{
close_filesystem();
}
