Function fsync

components/dfs/dfs_v1/src/dfs_posix.c:449–465

* this function is a POSIX compliant version, which shall request that all data * for the open file descriptor named by fildes is to be transferred to the storage * device associated with the file described by fildes. * * @param fildes the file description * * @return 0 on successful completion. Otherwise, -1 shall be returned and errno * set to indicate the error. */

 * set to indicate the error.
 */
int fsync(int fildes)
{
    int ret;
    struct dfs_file *d;

    /* get the fd */
    d = fd_get(fildes);
    if (d == NULL)
    {
        rt_set_errno(-EBADF);
        return -1;
    }

    ret = dfs_file_flush(d);

    return ret;
}
RTM_EXPORT(fsync);

/**