On 2026/1/16 12:07, Yifan Zhao wrote:
`-Edot-omitted` enables `-E48bits`, which requires specific
configurations for g_sbi.{epoch, build_time}. Currently, the call to
`erofs_sb_set_48bit()` occurs too late in the execution flow, causing
the aforementioned logic to be bypassed and resulting in incorrect
mtimes for all inodes.

This patch moves `erofs_sb_set_48bit()` forward to the options parsing
stage to resolve this issue.

Signed-off-by: Yifan Zhao <[email protected]>

I think instead we should move this part into lib/importer.c?

        g_sbi.fixed_nsec = 0;
        if (cfg.c_unix_timestamp != -1) {
                mkfs_time = cfg.c_unix_timestamp;
        } else if (!gettimeofday(&t, NULL)) {
                mkfs_time = t.tv_sec;
        }
        if (erofs_sb_has_48bit(&g_sbi)) {
                g_sbi.epoch = max_t(s64, 0, mkfs_time - UINT32_MAX);
                g_sbi.build_time = mkfs_time - g_sbi.epoch;
        } else {
                g_sbi.epoch = mkfs_time;
        }

I mean adding `mkfs_time` in `erofs_importer_params`.

Thanks,
Gao Xiang

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