diff options
Diffstat (limited to 'src/readahead/readahead-replay.c')
-rw-r--r-- | src/readahead/readahead-replay.c | 94 |
1 files changed, 7 insertions, 87 deletions
diff --git a/src/readahead/readahead-replay.c b/src/readahead/readahead-replay.c index fc2c33fcc1..6e6db601d4 100644 --- a/src/readahead/readahead-replay.c +++ b/src/readahead/readahead-replay.c @@ -44,8 +44,6 @@ #include "readahead-common.h" #include "virt.h" -static off_t arg_file_size_max = READAHEAD_FILE_SIZE_MAX; - static ReadaheadShared *shared = NULL; static int unpack_file(FILE *pack) { @@ -289,103 +287,25 @@ finish: return r; } +int main_replay(const char *root) { -static int help(void) { - - printf("%s [OPTIONS...] [DIRECTORY]\n\n" - "Replay collected read-ahead data on early boot.\n\n" - " -h --help Show this help\n" - " --max-file-size=BYTES Maximum size of files to read ahead\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_FILE_SIZE_MAX - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "file-size-max", required_argument, NULL, ARG_FILE_SIZE_MAX }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_FILE_SIZE_MAX: { - unsigned long long ull; - - if (safe_atollu(optarg, &ull) < 0 || ull <= 0) { - log_error("Failed to parse maximum file size %s.", optarg); - return -EINVAL; - } - - arg_file_size_max = (off_t) ull; - break; - } - - case '?': - return -EINVAL; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - if (optind != argc && - optind != argc-1) { - help(); - return -EINVAL; - } - - return 1; -} - -int main(int argc, char*argv[]) { - int r; - const char *root; - - log_set_target(LOG_TARGET_SAFE); - log_parse_environment(); - log_open(); - - umask(0022); - - r = parse_argv(argc, argv); - if (r <= 0) - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; - - root = optind < argc ? argv[optind] : "/"; + if (!root) + root = "/"; if (!enough_ram()) { log_info("Disabling readahead replay due to low memory."); - return 0; + return EXIT_SUCCESS; } shared = shared_get(); if (!shared) - return 1; + return EXIT_FAILURE; shared->replay = getpid(); __sync_synchronize(); if (replay(root) < 0) - return 1; + return EXIT_FAILURE; - return 0; + return EXIT_SUCCESS; } |