| #ifndef _UAPI_LINUX_MOUNT_H |
| #define _UAPI_LINUX_MOUNT_H |
| |
| /* |
| * These are the fs-independent mount-flags: up to 32 flags are supported |
| * |
| * Usage of these is restricted within the kernel to core mount(2) code and |
| * callers of sys_mount() only. Filesystems should be using the SB_* |
| * equivalent instead. |
| */ |
| #define MS_RDONLY 1 /* Mount read-only */ |
| #define MS_NOSUID 2 /* Ignore suid and sgid bits */ |
| #define MS_NODEV 4 /* Disallow access to device special files */ |
| #define MS_NOEXEC 8 /* Disallow program execution */ |
| #define MS_SYNCHRONOUS 16 /* Writes are synced at once */ |
| #define MS_REMOUNT 32 /* Alter flags of a mounted FS */ |
| #define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */ |
| #define MS_DIRSYNC 128 /* Directory modifications are synchronous */ |
| #define MS_NOATIME 1024 /* Do not update access times. */ |
| #define MS_NODIRATIME 2048 /* Do not update directory access times */ |
| #define MS_BIND 4096 |
| #define MS_MOVE 8192 |
| #define MS_REC 16384 |
| #define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. |
| MS_VERBOSE is deprecated. */ |
| #define MS_SILENT 32768 |
| #define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ |
| #define MS_UNBINDABLE (1<<17) /* change to unbindable */ |
| #define MS_PRIVATE (1<<18) /* change to private */ |
| #define MS_SLAVE (1<<19) /* change to slave */ |
| #define MS_SHARED (1<<20) /* change to shared */ |
| #define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ |
| #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ |
| #define MS_I_VERSION (1<<23) /* Update inode I_version field */ |
| #define MS_STRICTATIME (1<<24) /* Always perform atime updates */ |
| #define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ |
| |
| /* These sb flags are internal to the kernel */ |
| #define MS_SUBMOUNT (1<<26) |
| #define MS_NOREMOTELOCK (1<<27) |
| #define MS_NOSEC (1<<28) |
| #define MS_BORN (1<<29) |
| #define MS_ACTIVE (1<<30) |
| #define MS_NOUSER (1<<31) |
| |
| /* |
| * Superblock flags that can be altered by MS_REMOUNT |
| */ |
| #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\ |
| MS_LAZYTIME) |
| |
| /* |
| * Old magic mount flag and mask |
| */ |
| #define MS_MGC_VAL 0xC0ED0000 |
| #define MS_MGC_MSK 0xffff0000 |
| |
| #endif /* _UAPI_LINUX_MOUNT_H */ |
