BDEVNAME_SIZE      19 include/linux/cmdline-parser.h 	char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */
BDEVNAME_SIZE      27 include/linux/cmdline-parser.h 	char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */
BDEVNAME_SIZE     866 include/linux/jbd2.h 	char			j_devname[BDEVNAME_SIZE+24];