diff options
Diffstat (limited to 'usr/include/sys/mount.h')
-rw-r--r-- | usr/include/sys/mount.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/usr/include/sys/mount.h b/usr/include/sys/mount.h new file mode 100644 index 0000000..9d6b0ee --- /dev/null +++ b/usr/include/sys/mount.h @@ -0,0 +1,71 @@ +/* + * sys/mount.h + */ + +#ifndef _SYS_MOUNT_H +#define _SYS_MOUNT_H + +#include <klibc/extern.h> +#include <sys/ioctl.h> + +/* + * These are the fs-independent mount-flags: up to 32 flags are supported + */ +#define MS_RDONLY 0x0001 /* Mount read-only */ +#define MS_NOSUID 0x0002 /* Ignore suid and sgid bits */ +#define MS_NODEV 0x0004 /* Disallow access to device special files */ +#define MS_NOEXEC 0x0008 /* Disallow program execution */ +#define MS_SYNCHRONOUS 0x0010 /* Writes are synced at once */ +#define MS_REMOUNT 0x0020 /* Alter flags of a mounted FS */ +#define MS_MANDLOCK 0x0040 /* Allow mandatory locks on an FS */ +#define MS_DIRSYNC 0x0080 /* Directory modifications are synchronous */ +#define MS_NOATIME 0x0400 /* Do not update access times. */ +#define MS_NODIRATIME 0x0800 /* Do not update directory access times */ +#define MS_BIND 0x1000 +#define MS_MOVE 0x2000 +#define MS_REC 0x4000 +#define MS_VERBOSE 0x8000 +#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ +#define MS_ONE_SECOND (1<<17) /* fs has 1 sec a/m/ctime resolution */ +#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_NOATIME|MS_NODIRATIME) + +/* + * Old magic mount flag and mask + */ +#define MS_MGC_VAL 0xC0ED0000 +#define MS_MGC_MSK 0xffff0000 + +/* + * umount2() flags + */ +#define MNT_FORCE 1 /* Forcibly unmount */ +#define MNT_DETACH 2 /* Detach from tree only */ +#define MNT_EXPIRE 4 /* Mark for expiry */ + +/* + * Block device ioctls + */ +#define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */ +#define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */ +#define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */ +#define BLKGETSIZE _IO(0x12, 96) /* Return device size. */ +#define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */ +#define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */ +#define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */ + +/* + * Prototypes + */ +__extern int mount(const char *, const char *, + const char *, unsigned long, const void *); +__extern int umount(const char *); +__extern int umount2(const char *, int); +__extern int pivot_root(const char *, const char *); + +#endif /* _SYS_MOUNT_H */ |