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Commit 638d05e8 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

fastboot: add casefold/projid/compress options 



fastboot -w --fs-options=casefold
fastboot -w --fs-options=casefold,projid
fastboot format:f2fs --fs-options=casefold
fastboot format:f2fs --fs-options=casefold,projid
fastboot format:f2fs --fs-options=casefold,projid,compress

Bug: 172514669
Bug: 160198145
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@google.com>
Change-Id: If3fad004fdd25dd754432ce98934b4ae6c8a8706
parent 56850e12

fastboot/fastboot.cpp

+31 −5
Original line number Diff line number Diff line
@@ -454,6 +454,8 @@ static int show_help() { 
            " --skip-reboot              Don't reboot device after flashing.\n"

            " --disable-verity           Sets disable-verity when flashing vbmeta.\n"

            " --disable-verification     Sets disable-verification when flashing vbmeta.\n"

            " --fs-options=OPTION[,OPTION]\n"

            "                            Enable filesystem features. OPTION supports casefold, projid, compress\n"

#if !defined(_WIN32)

            " --wipe-and-use-fbe         Enable file-based encryption, wiping userdata.\n"

#endif
@@ -1581,7 +1583,7 @@ static unsigned fb_get_flash_block_size(std::string name) { 
static void fb_perform_format(

                              const std::string& partition, int skip_if_not_supported,

                              const std::string& type_override, const std::string& size_override,

                              const std::string& initial_dir) {

                              const std::string& initial_dir, const unsigned fs_options) {

    std::string partition_type, partition_size;



    struct fastboot_buffer buf;
@@ -1644,7 +1646,7 @@ static void fb_perform_format( 
    logicalBlkSize = fb_get_flash_block_size("logical-block-size");



    if (fs_generator_generate(gen, output.path, size, initial_dir,

            eraseBlkSize, logicalBlkSize)) {

            eraseBlkSize, logicalBlkSize, fs_options)) {

        die("Cannot generate image for %s", partition.c_str());

    }
@@ -1778,6 +1780,7 @@ int FastBootTool::Main(int argc, char* argv[]) { 
    bool skip_secondary = false;

    bool set_fbe_marker = false;

    bool force_flash = false;

    unsigned fs_options = 0;

    int longindex;

    std::string slot_override;

    std::string next_active;
@@ -1795,6 +1798,7 @@ int FastBootTool::Main(int argc, char* argv[]) { 
        {"disable-verification", no_argument, 0, 0},

        {"disable-verity", no_argument, 0, 0},

        {"force", no_argument, 0, 0},

        {"fs-options", required_argument, 0, 0},

        {"header-version", required_argument, 0, 0},

        {"help", no_argument, 0, 'h'},

        {"kernel-offset", required_argument, 0, 0},
@@ -1834,6 +1838,8 @@ int FastBootTool::Main(int argc, char* argv[]) { 
                g_disable_verity = true;

            } else if (name == "force") {

                force_flash = true;

            } else if (name == "fs-options") {

                fs_options = ParseFsOption(optarg);

            } else if (name == "header-version") {

                g_boot_img_hdr.header_version = strtoul(optarg, nullptr, 0);

            } else if (name == "dtb") {
@@ -1990,7 +1996,7 @@ int FastBootTool::Main(int argc, char* argv[]) { 
            std::string partition = next_arg(&args);



            auto format = [&](const std::string& partition) {

                fb_perform_format(partition, 0, type_override, size_override, "");

                fb_perform_format(partition, 0, type_override, size_override, "", fs_options);

            };

            do_for_partitions(partition, slot_override, format, true);

        } else if (command == "signature") {
@@ -2180,10 +2186,10 @@ int FastBootTool::Main(int argc, char* argv[]) { 
            if (partition == "userdata" && set_fbe_marker) {

                fprintf(stderr, "setting FBE marker on initial userdata...\n");

                std::string initial_userdata_dir = create_fbemarker_tmpdir();

                fb_perform_format(partition, 1, partition_type, "", initial_userdata_dir);

                fb_perform_format(partition, 1, partition_type, "", initial_userdata_dir, fs_options);

                delete_fbemarker_tmpdir(initial_userdata_dir);

            } else {

                fb_perform_format(partition, 1, partition_type, "", "");

                fb_perform_format(partition, 1, partition_type, "", "", fs_options);

            }

        }

    }
@@ -2233,3 +2239,23 @@ void FastBootTool::ParseOsVersion(boot_img_hdr_v1* hdr, const char* arg) { 
    }

    hdr->SetOsVersion(major, minor, patch);

}



unsigned FastBootTool::ParseFsOption(const char* arg) {

    unsigned fsOptions = 0;



    std::vector<std::string> options = android::base::Split(arg, ",");

    if (options.size() < 1)

        syntax_error("bad options: %s", arg);



    for (size_t i = 0; i < options.size(); ++i) {

        if (options[i] == "casefold")

            fsOptions |= (1 << FS_OPT_CASEFOLD);

        else if (options[i] == "projid")

            fsOptions |= (1 << FS_OPT_PROJID);

        else if (options[i] == "compress")

            fsOptions |= (1 << FS_OPT_COMPRESS);

        else

            syntax_error("unsupported options: %s", options[i].c_str());

    }

    return fsOptions;

}

fastboot/fastboot.h

+1 −0
Original line number Diff line number Diff line
@@ -34,4 +34,5 @@ class FastBootTool { 


    void ParseOsPatchLevel(boot_img_hdr_v1*, const char*);

    void ParseOsVersion(boot_img_hdr_v1*, const char*);

    unsigned ParseFsOption(const char*);

};

fastboot/fs.cpp

+34 −8
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ static int exec_cmd(const char* path, const char** argv, const char** envp) { 


static int generate_ext4_image(const char* fileName, long long partSize,

                               const std::string& initial_dir, unsigned eraseBlkSize,

                               unsigned logicalBlkSize) {

                               unsigned logicalBlkSize, const unsigned fsOptions) {

    static constexpr int block_size = 4096;

    const std::string exec_dir = android::base::GetExecutableDirectory();
@@ -137,6 +137,12 @@ static int generate_ext4_image(const char* fileName, long long partSize, 
    mke2fs_args.push_back(ext_attr.c_str());

    mke2fs_args.push_back("-O");

    mke2fs_args.push_back("uninit_bg");



    if (fsOptions & (1 << FS_OPT_PROJID)) {

        mke2fs_args.push_back("-I");

        mke2fs_args.push_back("512");

    }



    mke2fs_args.push_back(fileName);



    std::string size_str = std::to_string(partSize / block_size);
@@ -162,9 +168,9 @@ static int generate_ext4_image(const char* fileName, long long partSize, 
    return exec_cmd(e2fsdroid_args[0], e2fsdroid_args.data(), nullptr);

}



static int generate_f2fs_image(const char* fileName, long long partSize, const std::string& initial_dir,

                               unsigned /* unused */, unsigned /* unused */)

{

static int generate_f2fs_image(const char* fileName, long long partSize,

                               const std::string& initial_dir, unsigned /* unused */,

                               unsigned /* unused */, const unsigned fsOptions) {

    const std::string exec_dir = android::base::GetExecutableDirectory();

    const std::string mkf2fs_path = exec_dir + "/make_f2fs";

    std::vector<const char*> mkf2fs_args = {mkf2fs_path.c_str()};
@@ -174,6 +180,26 @@ static int generate_f2fs_image(const char* fileName, long long partSize, const s 
    mkf2fs_args.push_back(size_str.c_str());

    mkf2fs_args.push_back("-g");

    mkf2fs_args.push_back("android");



    if (fsOptions & (1 << FS_OPT_PROJID)) {

        mkf2fs_args.push_back("-O");

        mkf2fs_args.push_back("project_quota,extra_attr");

    }



    if (fsOptions & (1 << FS_OPT_CASEFOLD)) {

        mkf2fs_args.push_back("-O");

        mkf2fs_args.push_back("casefold");

        mkf2fs_args.push_back("-C");

        mkf2fs_args.push_back("utf8");

    }



    if (fsOptions & (1 << FS_OPT_COMPRESS)) {

        mkf2fs_args.push_back("-O");

        mkf2fs_args.push_back("compression");

        mkf2fs_args.push_back("-O");

        mkf2fs_args.push_back("extra_attr");

    }



    mkf2fs_args.push_back(fileName);

    mkf2fs_args.push_back(nullptr);
@@ -198,7 +224,7 @@ static const struct fs_generator { 


    //returns 0 or error value

    int (*generate)(const char* fileName, long long partSize, const std::string& initial_dir,

                    unsigned eraseBlkSize, unsigned logicalBlkSize);

                    unsigned eraseBlkSize, unsigned logicalBlkSize, const unsigned fsOptions);



} generators[] = {

    { "ext4", generate_ext4_image},
@@ -215,7 +241,7 @@ const struct fs_generator* fs_get_generator(const std::string& fs_type) { 
}



int fs_generator_generate(const struct fs_generator* gen, const char* fileName, long long partSize,

    const std::string& initial_dir, unsigned eraseBlkSize, unsigned logicalBlkSize)

{

    return gen->generate(fileName, partSize, initial_dir, eraseBlkSize, logicalBlkSize);

                          const std::string& initial_dir, unsigned eraseBlkSize,

                          unsigned logicalBlkSize, const unsigned fsOptions) {

    return gen->generate(fileName, partSize, initial_dir, eraseBlkSize, logicalBlkSize, fsOptions);

}

fastboot/fs.h

+8 −1
Original line number Diff line number Diff line
@@ -5,6 +5,13 @@ 


struct fs_generator;



enum FS_OPTION {

    FS_OPT_CASEFOLD,

    FS_OPT_PROJID,

    FS_OPT_COMPRESS,

};



const struct fs_generator* fs_get_generator(const std::string& fs_type);

int fs_generator_generate(const struct fs_generator* gen, const char* fileName, long long partSize,

    const std::string& initial_dir, unsigned eraseBlkSize = 0, unsigned logicalBlkSize = 0);
 
                          const std::string& initial_dir, unsigned eraseBlkSize = 0,

                          unsigned logicalBlkSize = 0, unsigned fsOptions = 0);