diff options
| author | Li Guifu <blucerlee@gmail.com> | 2019-10-12 01:09:52 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@aol.com> | 2019-10-12 12:44:09 +0800 |
| commit | e50dfb0cb4335867e0f43c74ed4be8dcb830608a (patch) | |
| tree | 848b10e4423546be9cc8caf5abf19b52a9c0ee0d | |
| parent | 6a61ce1450c542d66fde1cdfc34fa39223beb710 (diff) | |
erofs-utils: introduce fixed UNIX timestamp
Introduce option "-T" for UNIX timestamp.
Link: https://lore.kernel.org/r/20191012001847.GA5701@hsiangkao-HP-ZHAN-66-Pro-G1
Signed-off-by: Li Guifu <blucerlee@gmail.com>
[ Gao Xiang: use u64 for timestamp rather than long long. ]
Signed-off-by: Gao Xiang <hsiangkao@aol.com>
| -rw-r--r-- | include/erofs/config.h | 1 | ||||
| -rw-r--r-- | lib/config.c | 1 | ||||
| -rw-r--r-- | mkfs/main.c | 16 |
3 files changed, 16 insertions, 2 deletions
diff --git a/include/erofs/config.h b/include/erofs/config.h index 8b09430..9711638 100644 --- a/include/erofs/config.h +++ b/include/erofs/config.h @@ -28,6 +28,7 @@ struct erofs_configure { char *c_compr_alg_master; int c_compr_level_master; int c_force_inodeversion; + u64 c_unix_timestamp; }; extern struct erofs_configure cfg; diff --git a/lib/config.c b/lib/config.c index 110c8b6..4cddc25 100644 --- a/lib/config.c +++ b/lib/config.c @@ -23,6 +23,7 @@ void erofs_init_configure(void) cfg.c_compr_level_master = -1; sbi.feature_incompat = EROFS_FEATURE_INCOMPAT_LZ4_0PADDING; cfg.c_force_inodeversion = 0; + cfg.c_unix_timestamp = -1; } void erofs_show_config(void) diff --git a/mkfs/main.c b/mkfs/main.c index 4b279c0..6ecc905 100644 --- a/mkfs/main.c +++ b/mkfs/main.c @@ -29,6 +29,7 @@ static void usage(void) fprintf(stderr, " -zX[,Y] X=compressor (Y=compression level, optional)\n"); fprintf(stderr, " -d# set output message level to # (maximum 9)\n"); fprintf(stderr, " -EX[,...] X=extended options\n"); + fprintf(stderr, " -T# set a fixed UNIX timestamp # to all files\n"); } static int parse_extended_opts(const char *opts) @@ -90,9 +91,10 @@ static int parse_extended_opts(const char *opts) static int mkfs_parse_options_cfg(int argc, char *argv[]) { + char *endptr; int opt, i; - while ((opt = getopt(argc, argv, "d:z:E:")) != -1) { + while ((opt = getopt(argc, argv, "d:z:E:T:")) != -1) { switch (opt) { case 'z': if (!optarg) { @@ -125,6 +127,13 @@ static int mkfs_parse_options_cfg(int argc, char *argv[]) if (opt) return opt; break; + case 'T': + cfg.c_unix_timestamp = strtoull(optarg, &endptr, 0); + if (cfg.c_unix_timestamp == -1 || *endptr != '\0') { + erofs_err("invalid UNIX timestamp %s", optarg); + return -EINVAL; + } + break; default: /* '?' */ return -EINVAL; @@ -223,7 +232,10 @@ int main(int argc, char **argv) return 1; } - if (!gettimeofday(&t, NULL)) { + if (cfg.c_unix_timestamp != -1) { + sbi.build_time = cfg.c_unix_timestamp; + sbi.build_time_nsec = 0; + } else if (!gettimeofday(&t, NULL)) { sbi.build_time = t.tv_sec; sbi.build_time_nsec = t.tv_usec; } |