hmcdrv_ftp_cmd 206 drivers/s390/char/hmcdrv_dev.c retlen = hmcdrv_ftp_cmd(cmd, offset, buf, len); hmcdrv_ftp_cmd 61 drivers/s390/char/hmcdrv_ftp.h ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset,