1 /* $NetBSD: lfs_user.h,v 1.14 2015/09/01 06:15:16 dholland 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 /* XXX do these really need to be here? */ 35 union segsum; 36 union finfo; 37 38 /* 39 * In the fsck code we don't need lfs_unlockvp, but we don't have a mount 40 * structure to give us the devvp. Overload the unlockvp with devvp. 41 */ 42 #define lfs_devvp lfs_unlockvp 43 44 /* 45 * This is outside of the kernel, so no locking primitives available. 46 */ 47 #undef simple_lock 48 #undef simple_unlock 49 50 #define simple_lock(arg) /* empty */ 51 #define simple_unlock(arg) /* empty */ 52 53 #define mutex_enter(mutex) /* empty */ 54 #define mutex_exit(mutex) /* empty */ 55 56 /* 57 * Outside of the kernel use standard assertions 58 */ 59 #define KASSERT assert 60 61 /* 62 * Structure used to pass around logical block paths generated by 63 * ulfs_getlbns and used by truncate and bmap code. 64 */ 65 struct indir { 66 daddr_t in_lbn; /* Logical block number. */ 67 int in_off; /* Offset in buffer. */ 68 int in_exists; /* Flag if the block exists. */ 69 }; 70 71 /* Convert between inode pointers and vnode pointers. */ 72 #define VTOI(vp) ((struct inode *)(vp)->v_data) 73 #define VTOD(vp) (VTOI(vp)->i_din) 74 75 #define sbdirty() ++fsdirty 76 77 extern int fsdirty; 78 extern struct uvnodelst vnodelist; 79 80 int lfs_vop_strategy(struct ubuf *); 81 int lfs_vop_bwrite(struct ubuf *); 82 int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *); 83 84 struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, daddr_t); 85 struct lfs *lfs_init(int, daddr_t, daddr_t, int, int); 86 struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int); 87 int check_summary(struct lfs *, union segsum *, daddr_t, int, struct uvnode *, void (*)(daddr_t, union finfo *)); 88 daddr_t try_verify(struct lfs *, struct uvnode *, daddr_t, int); 89 union lfs_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *); 90 void call_panic(const char *, ...); 91 void my_vpanic(int, const char *, va_list); 92 int extend_ifile(struct lfs *); 93 struct uvnode *lfs_valloc(struct lfs *, ino_t); 94 int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **); 95