1MS_RDONLY	1
2MS_NOSUID	2
3MS_NODEV	4
4MS_NOEXEC	8
5MS_SYNCHRONOUS	16
6MS_REMOUNT	32
7MS_MANDLOCK	64
8MS_DIRSYNC	128
9MS_NOATIME	1024
10MS_NODIRATIME	2048
11MS_BIND		4096
12MS_MOVE		8192
13MS_REC		16384
14MS_SILENT	32768
15MS_POSIXACL	(1<<16)
16MS_UNBINDABLE	(1<<17)
17MS_PRIVATE	(1<<18)
18MS_SLAVE	(1<<19)
19MS_SHARED	(1<<20)
20MS_RELATIME	(1<<21)
21MS_KERNMOUNT	(1<<22)
22MS_I_VERSION	(1<<23)
23MS_STRICTATIME	(1<<24)
24MS_LAZYTIME	(1<<25)
25MS_NOREMOTELOCK	(1<<27)
26MS_NOSEC	(1<<28)
27MS_BORN		(1<<29)
28MS_ACTIVE	(1<<30)
29MS_NOUSER	(1<<31)
30