1 /* $NetBSD: lfs_user.h,v 1.3 2008/04/28 20:23:08 martin Exp $ */ 2 /*- 3 * Copyright (c) 2003 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Konrad E. Schroder <perseant@hhhh.org>. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <stdarg.h> 32 33 struct lfs; 34 struct segsum; 35 struct finfo; 36 37 /* 38 * In the fsck code we don't need lfs_unlockvp, but we don't have a mount 39 * structure to give us the devvp. Overload the unlockvp with devvp. 40 */ 41 #define lfs_devvp lfs_unlockvp 42 43 /* 44 * This is outside of the kernel, so no locking primitives available. 45 */ 46 #undef simple_lock 47 #undef simple_unlock 48 49 #define simple_lock(arg) /* empty */ 50 #define simple_unlock(arg) /* empty */ 51 52 /* 53 * Structure used to pass around logical block paths generated by 54 * ufs_getlbns and used by truncate and bmap code. 55 */ 56 struct indir { 57 daddr_t in_lbn; /* Logical block number. */ 58 int in_off; /* Offset in buffer. */ 59 int in_exists; /* Flag if the block exists. */ 60 }; 61 62 typedef int32_t ufs_daddr_t; 63 64 /* Convert between inode pointers and vnode pointers. */ 65 #define VTOI(vp) ((struct inode *)(vp)->v_data) 66 #define VTOD(vp) (VTOI(vp)->i_din.ffs1_din) 67 68 #define sbdirty() ++fsdirty 69 70 extern int fsdirty; 71 extern struct uvnodelst vnodelist; 72 73 int lfs_vop_strategy(struct ubuf *); 74 int lfs_vop_bwrite(struct ubuf *); 75 int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *); 76 77 struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, ufs_daddr_t); 78 struct lfs *lfs_init(int, daddr_t, daddr_t, int, int); 79 struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int); 80 int check_summary(struct lfs *, struct segsum *, ufs_daddr_t, int, struct uvnode *, void (*)(ufs_daddr_t, struct finfo *)); 81 ufs_daddr_t try_verify(struct lfs *, struct uvnode *, ufs_daddr_t, int); 82 struct ufs1_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *); 83 void call_panic(const char *, ...); 84 void my_vpanic(int, const char *, va_list); 85 int extend_ifile(struct lfs *); 86 struct uvnode *lfs_valloc(struct lfs *, ino_t); 87 int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **); 88