96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/* $NetBSD: lfs_user.h,v 1.5 2013/06/08 21:13:19 dholland Exp $ */
|
|
/*-
|
|
* Copyright (c) 2003 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Konrad E. Schroder <perseant@hhhh.org>.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
|
|
struct lfs;
|
|
struct segsum;
|
|
struct finfo;
|
|
|
|
/*
|
|
* In the fsck code we don't need lfs_unlockvp, but we don't have a mount
|
|
* structure to give us the devvp. Overload the unlockvp with devvp.
|
|
*/
|
|
#define lfs_devvp lfs_unlockvp
|
|
|
|
/*
|
|
* This is outside of the kernel, so no locking primitives available.
|
|
*/
|
|
#undef simple_lock
|
|
#undef simple_unlock
|
|
|
|
#define simple_lock(arg) /* empty */
|
|
#define simple_unlock(arg) /* empty */
|
|
|
|
#define mutex_enter(mutex) /* empty */
|
|
#define mutex_exit(mutex) /* empty */
|
|
|
|
/*
|
|
* Outside of the kernel use standard assertions
|
|
*/
|
|
#define KASSERT assert
|
|
|
|
/*
|
|
* Structure used to pass around logical block paths generated by
|
|
* ulfs_getlbns and used by truncate and bmap code.
|
|
*/
|
|
struct indir {
|
|
daddr_t in_lbn; /* Logical block number. */
|
|
int in_off; /* Offset in buffer. */
|
|
int in_exists; /* Flag if the block exists. */
|
|
};
|
|
|
|
typedef int32_t ulfs_daddr_t;
|
|
|
|
/* Convert between inode pointers and vnode pointers. */
|
|
#define VTOI(vp) ((struct inode *)(vp)->v_data)
|
|
#define VTOD(vp) (VTOI(vp)->i_din.ffs1_din)
|
|
|
|
#define sbdirty() ++fsdirty
|
|
|
|
extern int fsdirty;
|
|
extern struct uvnodelst vnodelist;
|
|
|
|
int lfs_vop_strategy(struct ubuf *);
|
|
int lfs_vop_bwrite(struct ubuf *);
|
|
int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *);
|
|
|
|
struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, ulfs_daddr_t);
|
|
struct lfs *lfs_init(int, daddr_t, daddr_t, int, int);
|
|
struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int);
|
|
int check_summary(struct lfs *, struct segsum *, ulfs_daddr_t, int, struct uvnode *, void (*)(ulfs_daddr_t, struct finfo *));
|
|
ulfs_daddr_t try_verify(struct lfs *, struct uvnode *, ulfs_daddr_t, int);
|
|
struct ulfs1_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *);
|
|
void call_panic(const char *, ...);
|
|
void my_vpanic(int, const char *, va_list);
|
|
int extend_ifile(struct lfs *);
|
|
struct uvnode *lfs_valloc(struct lfs *, ino_t);
|
|
int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **);
|