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-rw-r--r--usr/include/sys/mount.h71
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 */