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    Contents of /trunk/mkinitrd-magellan/klibc/usr/include/sys/mount.h

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
    File MIME type: text/plain
    File size: 2402 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 /*
    2 * sys/mount.h
    3 */
    4
    5 #ifndef _SYS_MOUNT_H
    6 #define _SYS_MOUNT_H
    7
    8 #include <klibc/extern.h>
    9 #include <sys/ioctl.h>
    10
    11 /*
    12 * These are the fs-independent mount-flags: up to 32 flags are supported
    13 */
    14 #define MS_RDONLY 0x0001 /* Mount read-only */
    15 #define MS_NOSUID 0x0002 /* Ignore suid and sgid bits */
    16 #define MS_NODEV 0x0004 /* Disallow access to device special files */
    17 #define MS_NOEXEC 0x0008 /* Disallow program execution */
    18 #define MS_SYNCHRONOUS 0x0010 /* Writes are synced at once */
    19 #define MS_REMOUNT 0x0020 /* Alter flags of a mounted FS */
    20 #define MS_MANDLOCK 0x0040 /* Allow mandatory locks on an FS */
    21 #define MS_DIRSYNC 0x0080 /* Directory modifications are synchronous */
    22 #define MS_NOATIME 0x0400 /* Do not update access times. */
    23 #define MS_NODIRATIME 0x0800 /* Do not update directory access times */
    24 #define MS_BIND 0x1000
    25 #define MS_MOVE 0x2000
    26 #define MS_REC 0x4000
    27 #define MS_VERBOSE 0x8000
    28 #define MS_POSIXACL (1<<16) /* VFS does not apply the umask */
    29 #define MS_ONE_SECOND (1<<17) /* fs has 1 sec a/m/ctime resolution */
    30 #define MS_ACTIVE (1<<30)
    31 #define MS_NOUSER (1<<31)
    32
    33 /*
    34 * Superblock flags that can be altered by MS_REMOUNT
    35 */
    36 #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_NODIRATIME)
    37
    38 /*
    39 * Old magic mount flag and mask
    40 */
    41 #define MS_MGC_VAL 0xC0ED0000
    42 #define MS_MGC_MSK 0xffff0000
    43
    44 /*
    45 * umount2() flags
    46 */
    47 #define MNT_FORCE 1 /* Forcibly unmount */
    48 #define MNT_DETACH 2 /* Detach from tree only */
    49 #define MNT_EXPIRE 4 /* Mark for expiry */
    50
    51 /*
    52 * Block device ioctls
    53 */
    54 #define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */
    55 #define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */
    56 #define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */
    57 #define BLKGETSIZE _IO(0x12, 96) /* Return device size. */
    58 #define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */
    59 #define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */
    60 #define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */
    61
    62 /*
    63 * Prototypes
    64 */
    65 __extern int mount(const char *, const char *,
    66 const char *, unsigned long, const void *);
    67 __extern int umount(const char *);
    68 __extern int umount2(const char *, int);
    69 __extern int pivot_root(const char *, const char *);
    70
    71 #endif /* _SYS_MOUNT_H */