Build failures in stable queues (4.4.y and later)

[Guenter Roeck <linux@xxxxxxxxxxxx>]

4.4.y, 4.9.y:

fs/cifs/cifsfs.c: In function 'cifs_statfs':
fs/cifs/cifsfs.c:198:27: error: 'struct cifs_tcon' has no member named 'vol_serial_number'
fs/cifs/cifsfs.c:200:45: error: 'struct cifs_tcon' has no member named 'vol_create_time'

4.14.y, 4.18.y:

kernel/printk/printk_safe.o: In function `vprintk_func':
kernel/printk/printk_safe.c:386: undefined reference to `vprintk_store'
kernel/printk/printk_safe.c:388: undefined reference to `defer_console_output'