ulfsmount.h revision 1.7.2.2
1 1.7.2.2 tls /* $NetBSD: ulfsmount.h,v 1.7.2.2 2013/06/23 06:18:39 tls Exp $ */ 2 1.7.2.2 tls /* from NetBSD: ufsmount.h,v 1.39 2012/10/19 17:09:08 drochner Exp */ 3 1.7.2.2 tls 4 1.7.2.2 tls /* 5 1.7.2.2 tls * Copyright (c) 1982, 1986, 1989, 1993 6 1.7.2.2 tls * The Regents of the University of California. All rights reserved. 7 1.7.2.2 tls * 8 1.7.2.2 tls * Redistribution and use in source and binary forms, with or without 9 1.7.2.2 tls * modification, are permitted provided that the following conditions 10 1.7.2.2 tls * are met: 11 1.7.2.2 tls * 1. Redistributions of source code must retain the above copyright 12 1.7.2.2 tls * notice, this list of conditions and the following disclaimer. 13 1.7.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright 14 1.7.2.2 tls * notice, this list of conditions and the following disclaimer in the 15 1.7.2.2 tls * documentation and/or other materials provided with the distribution. 16 1.7.2.2 tls * 3. Neither the name of the University nor the names of its contributors 17 1.7.2.2 tls * may be used to endorse or promote products derived from this software 18 1.7.2.2 tls * without specific prior written permission. 19 1.7.2.2 tls * 20 1.7.2.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 1.7.2.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.7.2.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.7.2.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 1.7.2.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.7.2.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.7.2.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.7.2.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.7.2.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.7.2.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.7.2.2 tls * SUCH DAMAGE. 31 1.7.2.2 tls * 32 1.7.2.2 tls * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 33 1.7.2.2 tls */ 34 1.7.2.2 tls 35 1.7.2.2 tls #ifndef _UFS_LFS_ULFSMOUNT_H_ 36 1.7.2.2 tls #define _UFS_LFS_ULFSMOUNT_H_ 37 1.7.2.2 tls 38 1.7.2.2 tls #include <sys/mount.h> /* struct export_args30 */ 39 1.7.2.2 tls 40 1.7.2.2 tls #ifdef _KERNEL 41 1.7.2.2 tls 42 1.7.2.2 tls #if defined(_KERNEL_OPT) 43 1.7.2.2 tls #include "opt_lfs.h" 44 1.7.2.2 tls #endif 45 1.7.2.2 tls 46 1.7.2.2 tls #include <sys/mutex.h> 47 1.7.2.2 tls 48 1.7.2.2 tls #include <ufs/lfs/ulfs_extattr.h> 49 1.7.2.2 tls #include <ufs/lfs/ulfs_quotacommon.h> 50 1.7.2.2 tls 51 1.7.2.2 tls struct buf; 52 1.7.2.2 tls struct inode; 53 1.7.2.2 tls struct nameidata; 54 1.7.2.2 tls struct timeval; 55 1.7.2.2 tls struct uio; 56 1.7.2.2 tls struct vnode; 57 1.7.2.2 tls 58 1.7.2.2 tls /* This structure describes the ULFS specific mount structure data. */ 59 1.7.2.2 tls struct ulfsmount { 60 1.7.2.2 tls struct mount *um_mountp; /* filesystem vfs structure */ 61 1.7.2.2 tls dev_t um_dev; /* device mounted */ 62 1.7.2.2 tls struct vnode *um_devvp; /* block device mounted vnode */ 63 1.7.2.2 tls u_long um_fstype; 64 1.7.2.2 tls u_int32_t um_flags; /* ULFS-specific flags - see below */ 65 1.7.2.2 tls union { /* pointer to superblock */ 66 1.7.2.2 tls struct lfs *lfs; /* LFS */ 67 1.7.2.2 tls } ulfsmount_u; 68 1.7.2.2 tls #define um_lfs ulfsmount_u.lfs 69 1.7.2.2 tls 70 1.7.2.2 tls /* Extended attribute information. */ 71 1.7.2.2 tls struct ulfs_extattr_per_mount um_extattr; 72 1.7.2.2 tls 73 1.7.2.2 tls struct vnode *um_quotas[ULFS_MAXQUOTAS]; /* pointer to quota files */ 74 1.7.2.2 tls kauth_cred_t um_cred[ULFS_MAXQUOTAS]; /* quota file access cred */ 75 1.7.2.2 tls u_long um_nindir; /* indirect ptrs per block */ 76 1.7.2.2 tls u_long um_lognindir; /* log2 of um_nindir */ 77 1.7.2.2 tls u_long um_bptrtodb; /* indir ptr to disk block */ 78 1.7.2.2 tls u_long um_seqinc; /* inc between seq blocks */ 79 1.7.2.2 tls kmutex_t um_lock; /* lock on global data */ 80 1.7.2.2 tls union { 81 1.7.2.2 tls struct um_q1 { 82 1.7.2.2 tls time_t q1_btime[ULFS_MAXQUOTAS]; /* block quota time limit */ 83 1.7.2.2 tls time_t q1_itime[ULFS_MAXQUOTAS]; /* inode quota time limit */ 84 1.7.2.2 tls char q1_qflags[ULFS_MAXQUOTAS]; /* quota specific flags */ 85 1.7.2.2 tls } um_q1; 86 1.7.2.2 tls struct um_q2 { 87 1.7.2.2 tls uint64_t q2_bsize; /* block size of quota file */ 88 1.7.2.2 tls uint64_t q2_bmask; /* mask for above */ 89 1.7.2.2 tls } um_q2; 90 1.7.2.2 tls } um_q; 91 1.7.2.2 tls #define umq1_btime um_q.um_q1.q1_btime 92 1.7.2.2 tls #define umq1_itime um_q.um_q1.q1_itime 93 1.7.2.2 tls #define umq1_qflags um_q.um_q1.q1_qflags 94 1.7.2.2 tls #define umq2_bsize um_q.um_q2.q2_bsize 95 1.7.2.2 tls #define umq2_bmask um_q.um_q2.q2_bmask 96 1.7.2.2 tls 97 1.7.2.2 tls void *um_oldfscompat; /* save 4.2 rotbl */ 98 1.7.2.2 tls int um_maxsymlinklen; 99 1.7.2.2 tls int um_dirblksiz; 100 1.7.2.2 tls u_int64_t um_maxfilesize; 101 1.7.2.2 tls void *um_snapinfo; /* snapshot private data */ 102 1.7.2.2 tls 103 1.7.2.2 tls const struct ulfs_ops *um_ops; 104 1.7.2.2 tls 105 1.7.2.2 tls void *um_discarddata; 106 1.7.2.2 tls }; 107 1.7.2.2 tls 108 1.7.2.2 tls struct ulfs_ops { 109 1.7.2.2 tls void (*uo_itimes)(struct inode *ip, const struct timespec *, 110 1.7.2.2 tls const struct timespec *, const struct timespec *); 111 1.7.2.2 tls int (*uo_update)(struct vnode *, const struct timespec *, 112 1.7.2.2 tls const struct timespec *, int); 113 1.7.2.2 tls int (*uo_truncate)(struct vnode *, off_t, int, kauth_cred_t); 114 1.7.2.2 tls int (*uo_valloc)(struct vnode *, int, kauth_cred_t, struct vnode **); 115 1.7.2.2 tls int (*uo_vfree)(struct vnode *, ino_t, int); 116 1.7.2.2 tls int (*uo_balloc)(struct vnode *, off_t, int, kauth_cred_t, int, 117 1.7.2.2 tls struct buf **); 118 1.7.2.2 tls void (*uo_unmark_vnode)(struct vnode *); 119 1.7.2.2 tls }; 120 1.7.2.2 tls 121 1.7.2.2 tls #define ULFS_OPS(vp) (VFSTOULFS((vp)->v_mount)->um_ops) 122 1.7.2.2 tls 123 1.7.2.2 tls #define ULFS_ITIMES(vp, acc, mod, cre) \ 124 1.7.2.2 tls (*ULFS_OPS(vp)->uo_itimes)(VTOI(vp), (acc), (mod), (cre)) 125 1.7.2.2 tls #define ULFS_UPDATE(vp, acc, mod, flags) \ 126 1.7.2.2 tls (*ULFS_OPS(vp)->uo_update)((vp), (acc), (mod), (flags)) 127 1.7.2.2 tls #define ULFS_TRUNCATE(vp, off, flags, cr) \ 128 1.7.2.2 tls (*ULFS_OPS(vp)->uo_truncate)((vp), (off), (flags), (cr)) 129 1.7.2.2 tls #define ULFS_VALLOC(vp, mode, cr, vpp) \ 130 1.7.2.2 tls (*ULFS_OPS(vp)->uo_valloc)((vp), (mode), (cr), (vpp)) 131 1.7.2.2 tls #define ULFS_VFREE(vp, ino, mode) \ 132 1.7.2.2 tls (*ULFS_OPS(vp)->uo_vfree)((vp), (ino), (mode)) 133 1.7.2.2 tls #define ULFS_BALLOC(vp, off, size, cr, flags, bpp) \ 134 1.7.2.2 tls (*ULFS_OPS(vp)->uo_balloc)((vp), (off), (size), (cr), (flags), (bpp)) 135 1.7.2.2 tls #define ULFS_UNMARK_VNODE(vp) \ 136 1.7.2.2 tls (*ULFS_OPS(vp)->uo_unmark_vnode)((vp)) 137 1.7.2.2 tls 138 1.7.2.2 tls /* ULFS-specific flags */ 139 1.7.2.2 tls #define ULFS_NEEDSWAP 0x01 /* filesystem metadata need byte-swapping */ 140 1.7.2.2 tls /* unused 0x02 */ 141 1.7.2.2 tls #define ULFS_QUOTA 0x04 /* filesystem has QUOTA (v1) */ 142 1.7.2.2 tls #define ULFS_QUOTA2 0x08 /* filesystem has QUOTA2 */ 143 1.7.2.2 tls 144 1.7.2.2 tls /* 145 1.7.2.2 tls * Filesystem types 146 1.7.2.2 tls */ 147 1.7.2.2 tls #define ULFS1 1 148 1.7.2.2 tls #define ULFS2 2 149 1.7.2.2 tls 150 1.7.2.2 tls 151 1.7.2.2 tls /* 152 1.7.2.2 tls * Flags describing the state of quotas. 153 1.7.2.2 tls */ 154 1.7.2.2 tls #define QTF_OPENING 0x01 /* Q_QUOTAON in progress */ 155 1.7.2.2 tls #define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */ 156 1.7.2.2 tls 157 1.7.2.2 tls /* Convert mount ptr to ulfsmount ptr. */ 158 1.7.2.2 tls #define VFSTOULFS(mp) ((struct ulfsmount *)((mp)->mnt_data)) 159 1.7.2.2 tls 160 1.7.2.2 tls /* 161 1.7.2.2 tls * Macros to access file system parameters in the ulfsmount structure. 162 1.7.2.2 tls * Used by ulfs_bmap. 163 1.7.2.2 tls */ 164 1.7.2.2 tls #define MNINDIR(ump) ((ump)->um_nindir) 165 1.7.2.2 tls #define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) 166 1.7.2.2 tls 167 1.7.2.2 tls /* 168 1.7.2.2 tls * Predicate for byte-swapping support. 169 1.7.2.2 tls */ 170 1.7.2.2 tls #define FSFMT(vp) (((vp)->v_mount->mnt_iflag & IMNT_DTYPE) == 0) 171 1.7.2.2 tls 172 1.7.2.2 tls #endif /* _KERNEL */ 173 1.7.2.2 tls 174 1.7.2.2 tls #endif /* !_UFS_LFS_ULFSMOUNT_H_ */ 175
Indexes created Mon Nov 03 11:09:54 GMT 2025