| #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 |