void TrimTask::addFromFstab() {
    std::unique_ptr<fstab, decltype(&fs_mgr_free_fstab)> fstab(fs_mgr_read_fstab_default(),
                                                               fs_mgr_free_fstab);
    struct fstab_rec *prev_rec = NULL;

    for (int i = 0; i < fstab->num_entries; i++) {
        /* Skip raw partitions */
        if (!strcmp(fstab->recs[i].fs_type, "emmc") ||
            !strcmp(fstab->recs[i].fs_type, "mtd")) {
            continue;
        }
        /* Skip read-only filesystems */
        if (fstab->recs[i].flags & MS_RDONLY) {
            continue;
        }
        if (fs_mgr_is_voldmanaged(&fstab->recs[i])) {
            continue; /* Should we trim fat32 filesystems? */
        }
        if (fs_mgr_is_notrim(&fstab->recs[i])) {
            continue;
        }

        /* Skip the multi-type partitions, which are required to be following each other.
         * See fs_mgr.c's mount_with_alternatives().
         */
        if (prev_rec && !strcmp(prev_rec->mount_point, fstab->recs[i].mount_point)) {
            continue;
        }

        mPaths.push_back(fstab->recs[i].mount_point);
        prev_rec = &fstab->recs[i];
    }
}
示例#2
0
static struct fstab* read_fstab() {
    fstab = fs_mgr_read_fstab_default();
    if (!fstab) {
        LOG(ERROR) << "failed to read default fstab";
        return NULL;
    }

    return fstab;
}