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/*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* Copyright (C) 2000 Stelias Computing, Inc.
* Copyright (C) 2000 Red Hat, Inc.
* Copyright (C) 2000 TurboLinux, Inc.
* Copyright (C) 2000 Los Alamos National Laboratory.
* Copyright (C) 2001 Tacitus Systems, Inc.
* Copyright (C) 2001 Cluster File Systems, Inc.
*/
#ifndef __INTERMEZZO_FS_H_
#define __INTERMEZZO_FS_H_ 1
#include <asm/types.h>
#include <sys/ioctl.h>
struct lento_vfs_context {
__u32 slot_offset;
__u32 recno;
__u64 kml_offset;
__u32 flags;
__u32 updated_time;
};
/* marking flags for fsets */
#define FSET_CLIENT_RO 0x00000001
#define FSET_LENTO_RO 0x00000002
#define FSET_HASPERMIT 0x00000004 /* we have a permit to WB */
#define FSET_INSYNC 0x00000008 /* this fileset is in sync */
#define FSET_PERMIT_WAITING 0x00000010 /* Lento is waiting for permit */
#define FSET_STEAL_PERMIT 0x00000020 /* take permit if Lento is dead */
#define FSET_JCLOSE_ON_WRITE 0x00000040 /* Journal closes on writes */
/* what to mark indicator (ioctl parameter) */
#define MARK_DENTRY 101
#define MARK_FSET 102
#define MARK_CACHE 103
#define MARK_GETFL 104
struct readmount {
int io_len; /* this is IN & OUT: true length of str is returned */
char *io_string;
};
/* modeled after setsockopt */
/* so if you have no /proc, oh well. */
/* for now it's all ints. We may grow this later for non-ints. */
struct psdev_opt {
int optname;
int optval;
};
struct lento_input {
char *name;
struct lento_vfs_context info;
};
struct lento_input_attr {
char *name;
#if BITS_PER_LONG < 64
__u32 dummy; /* XXX on 64-bit platforms, this is not needed */
#endif
__u32 valid;
__u32 mode;
__u32 uid;
__u32 gid;
__u64 size;
__s64 atime;
__s64 mtime;
__s64 ctime;
__u32 attr_flags;
struct lento_vfs_context info;
};
struct lento_input_mode {
char *name;
__u32 mode;
struct lento_vfs_context info;
};
struct lento_input_old_new {
char *oldname;
char *newname;
struct lento_vfs_context info;
};
struct lento_input_dev {
char *name;
__u32 mode;
__u32 major;
__u32 minor;
struct lento_vfs_context info;
};
struct lento_input_iopen {
char *name;
#if BITS_PER_LONG < 64
__u32 dummy; /* XXX on 64-bit platforms, this is not needed */
#endif
__u64 ino;
__u32 generation;
__u32 flags;
__s32 fd;
};
struct lento_input_close {
__u32 fd;
struct lento_vfs_context info;
};
/* XXX should PRESTO_GET_* actually be of type _IOR, since we are reading? */
#define PRESTO_GETMOUNT _IOW ('p',0x03, struct readmount *)
#define PRESTO_SETPID _IOW ('p',0x04, struct readmount *)
#define PRESTO_CLOSE_JOURNALF _IOW ('p',0x06, struct readmount *)
#define PRESTO_SET_FSETROOT _IOW ('p',0x07, struct readmount *)
#define PRESTO_CLEAR_FSETROOT _IOW ('p',0x08, struct readmount *)
#define PRESTO_SETOPT _IOW ('p',0x09, struct psdev_opt *)
#define PRESTO_GETOPT _IOW ('p',0x0a, struct psdev_opt *)
#define PRESTO_GET_KMLSIZE _IOW ('p',0x0b, struct psdev_opt *)
#define PRESTO_GET_RECNO _IOW ('p',0x0c, struct psdev_opt *)
#define PRESTO_VFS_SETATTR _IOW ('p',0x10, struct lento_input_attr *)
#define PRESTO_VFS_CREATE _IOW ('p',0x11, struct lento_input_mode *)
#define PRESTO_VFS_LINK _IOW ('p',0x12, struct lento_input_old_new *)
#define PRESTO_VFS_UNLINK _IOW ('p',0x13, struct lento_input *)
#define PRESTO_VFS_SYMLINK _IOW ('p',0x14, struct lento_input_old_new *)
#define PRESTO_VFS_MKDIR _IOW ('p',0x15, struct lento_input_mode *)
#define PRESTO_VFS_RMDIR _IOW ('p',0x16, struct lento_input *)
#define PRESTO_VFS_MKNOD _IOW ('p',0x17, struct lento_input_dev *)
#define PRESTO_VFS_RENAME _IOW ('p',0x18, struct lento_input_old_new *)
#define PRESTO_VFS_CLOSE _IOW ('p',0x1a, struct lento_input_close *)
#define PRESTO_VFS_IOPEN _IOW ('p',0x1b, struct lento_input_iopen *)
#define PRESTO_MARK _IOW ('p',0x20, struct lento_input_open *)
#define PRESTO_RELEASE_PERMIT _IOW ('p',0x21, struct lento_input_open *)
#define PRESTO_CLEAR_ALL_FSETROOTS _IOW ('p',0x22, struct readmount *)
#define PRESTO_BACKFETCH_LML _IOW ('p',0x23, struct readmount *)
#define PRESTO_REINT _IOW ('p',0x24, struct readmount *)
#define PRESTO_CANCEL_LML _IOW ('p',0x25, struct readmount *)
#define PRESTO_RESET_FSET _IOW ('p',0x26, struct readmount *)
#define PRESTO_COMPLETE_CLOSES _IOW ('p',0x27, struct readmount *)
#define PRESTO_REINT_BEGIN _IOW ('p',0x30, struct readmount *)
#define PRESTO_DO_REINT _IOW ('p',0x31, struct readmount *)
#define PRESTO_REINT_END _IOW ('p',0x32, struct readmount *)
#endif
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