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#ifndef MS_RDONLY
#define MS_RDONLY 1 /* Mount read-only */
#endif
#ifndef MS_NOSUID
#define MS_NOSUID 2 /* Ignore suid and sgid bits */
#endif
#ifndef MS_NODEV
#define MS_NODEV 4 /* Disallow access to device special files */
#endif
#ifndef MS_NOEXEC
#define MS_NOEXEC 8 /* Disallow program execution */
#endif
#ifndef MS_SYNCHRONOUS
#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
#endif
#ifndef MS_REMOUNT
#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
#endif
#ifndef MS_MANDLOCK
#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
#endif
#ifndef MS_DIRSYNC
#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
#endif
#ifndef MS_NOATIME
#define MS_NOATIME 0x400 /* 1024: Do not update access times. */
#endif
#ifndef MS_NODIRATIME
#define MS_NODIRATIME 0x800 /* 2048: Don't update directory access times */
#endif
#ifndef MS_BIND
#define MS_BIND 0x1000 /* 4096: Mount existing tree also elsewhere */
#endif
#ifndef MS_MOVE
#define MS_MOVE 0x2000 /* 8192: Atomically move tree */
#endif
#ifndef MS_REC
#define MS_REC 0x4000 /* 16384: Recursive loopback */
#endif
#ifndef MS_VERBOSE
#define MS_VERBOSE 0x8000 /* 32768 */
#endif
#ifndef MS_RELATIME
#define MS_RELATIME 0x200000 /* 200000: Update access times relative
to mtime/ctime */
#endif
#ifndef MS_UNBINDABLE
#define MS_UNBINDABLE (1<<17) /* 131072 unbindable*/
#endif
#ifndef MS_PRIVATE
#define MS_PRIVATE (1<<18) /* 262144 Private*/
#endif
#ifndef MS_SLAVE
#define MS_SLAVE (1<<19) /* 524288 Slave*/
#endif
#ifndef MS_SHARED
#define MS_SHARED (1<<20) /* 1048576 Shared*/
#endif
#ifndef MS_I_VERSION
#define MS_I_VERSION (1<<23) /* update inode I_version field */
#endif
#ifndef MS_STRICTATIME
#define MS_STRICTATIME (1<<24) /* strict atime semantics */
#endif
/*
* Magic mount flag number. Had to be or-ed to the flag values.
*/
#ifndef MS_MGC_VAL
#define MS_MGC_VAL 0xC0ED0000 /* magic flag number to indicate "new" flags */
#endif
#ifndef MS_MGC_MSK
#define MS_MGC_MSK 0xffff0000 /* magic flag number mask */
#endif
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