1139825Simp/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1989, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 2922521Sdyson * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 3050477Speter * $FreeBSD$ 311541Srgrimes */ 321541Srgrimes 332177Spaul#ifndef _UFS_UFS_UFSMOUNT_H_ 34262779Spfg#define _UFS_UFS_UFSMOUNT_H_ 352177Spaul 36156203Sjeff#include <sys/buf.h> /* XXX For struct workhead. */ 37156203Sjeff 3822521Sdyson/* 3922521Sdyson * Arguments to mount UFS-based filesystems 4022521Sdyson */ 4122521Sdysonstruct ufs_args { 4222521Sdyson char *fspec; /* block special device to mount */ 43213664Skib struct oexport_args export; /* network export information */ 4422521Sdyson}; 4522521Sdyson 4655206Speter#ifdef _KERNEL 4730354Sphk 4830354Sphk#ifdef MALLOC_DECLARE 4930354SphkMALLOC_DECLARE(M_UFSMNT); 5030354Sphk#endif 5130354Sphk 521541Srgrimesstruct buf; 531541Srgrimesstruct inode; 541541Srgrimesstruct nameidata; 55297787Skibstruct taskqueue; 561541Srgrimesstruct timeval; 571541Srgrimesstruct ucred; 581541Srgrimesstruct uio; 591541Srgrimesstruct vnode; 6059241Srwatsonstruct ufs_extattr_per_mount; 61207141Sjeffstruct jblocks; 62207141Sjeffstruct inodedep; 631541Srgrimes 64207141SjeffTAILQ_HEAD(inodedeplst, inodedep); 65222958SjeffLIST_HEAD(bmsafemaphd, bmsafemap); 66207141Sjeff 671541Srgrimes/* This structure describes the UFS specific mount structure data. */ 681541Srgrimesstruct ufsmount { 691541Srgrimes struct mount *um_mountp; /* filesystem vfs structure */ 70181329Sdes struct cdev *um_dev; /* device mounted */ 71181329Sdes struct g_consumer *um_cp; 72181329Sdes struct bufobj *um_bo; /* Buffer cache object */ 731541Srgrimes struct vnode *um_devvp; /* block device mounted vnode */ 7498542Smckusick u_long um_fstype; /* type of filesystem */ 7596873Siedowse struct fs *um_fs; /* pointer to superblock */ 7659241Srwatson struct ufs_extattr_per_mount um_extattr; /* extended attrs */ 771541Srgrimes u_long um_nindir; /* indirect ptrs per block */ 781541Srgrimes u_long um_bptrtodb; /* indir ptr to disk block */ 791541Srgrimes u_long um_seqinc; /* inc between seq blocks */ 80140700Sjeff struct mtx um_lock; /* Protects ufsmount & fs */ 81224061Smckusick pid_t um_fsckpid; /* PID permitted fsck sysctls */ 82260078Smckusick struct mount_softdeps *um_softdep; /* softdep mgmt structure */ 83140700Sjeff struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */ 84140700Sjeff struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */ 851541Srgrimes time_t um_btime[MAXQUOTAS]; /* block quota time limit */ 861541Srgrimes time_t um_itime[MAXQUOTAS]; /* inode quota time limit */ 871541Srgrimes char um_qflags[MAXQUOTAS]; /* quota specific flags */ 8822521Sdyson int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */ 89216796Skib int um_candelete; /* devvp supports TRIM */ 90243245Strasz int um_writesuspended; /* suspension in progress */ 91297787Skib u_int um_trim_inflight; 92297787Skib struct taskqueue *um_trim_tq; 93297786Skib int (*um_balloc)(struct vnode *, off_t, int, struct ucred *, 94297786Skib int, struct buf **); 9592728Salfred int (*um_blkatoff)(struct vnode *, off_t, char **, struct buf **); 96234605Strasz int (*um_truncate)(struct vnode *, off_t, int, struct ucred *); 9792728Salfred int (*um_update)(struct vnode *, int); 98297786Skib int (*um_valloc)(struct vnode *, int, struct ucred *, 99297786Skib struct vnode **); 10092728Salfred int (*um_vfree)(struct vnode *, ino_t, int); 101108313Sphk void (*um_ifree)(struct ufsmount *, struct inode *); 102183070Skib int (*um_rdonly)(struct inode *); 103219804Skib void (*um_snapgone)(struct inode *); 1041541Srgrimes}; 10522521Sdyson 106262779Spfg#define UFS_BALLOC(aa, bb, cc, dd, ee, ff) VFSTOUFS((aa)->v_mount)->um_balloc(aa, bb, cc, dd, ee, ff) 107262779Spfg#define UFS_BLKATOFF(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_blkatoff(aa, bb, cc, dd) 108262779Spfg#define UFS_TRUNCATE(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_truncate(aa, bb, cc, dd) 109262779Spfg#define UFS_UPDATE(aa, bb) VFSTOUFS((aa)->v_mount)->um_update(aa, bb) 110262779Spfg#define UFS_VALLOC(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_valloc(aa, bb, cc, dd) 111262779Spfg#define UFS_VFREE(aa, bb, cc) VFSTOUFS((aa)->v_mount)->um_vfree(aa, bb, cc) 112262779Spfg#define UFS_IFREE(aa, bb) ((aa)->um_ifree(aa, bb)) 113183070Skib#define UFS_RDONLY(aa) ((aa)->i_ump->um_rdonly(aa)) 114219804Skib#define UFS_SNAPGONE(aa) ((aa)->i_ump->um_snapgone(aa)) 11530474Sphk 116140700Sjeff#define UFS_LOCK(aa) mtx_lock(&(aa)->um_lock) 117140700Sjeff#define UFS_UNLOCK(aa) mtx_unlock(&(aa)->um_lock) 118140700Sjeff#define UFS_MTX(aa) (&(aa)->um_lock) 119140700Sjeff 1201541Srgrimes/* 12198542Smckusick * Filesystem types 12298542Smckusick */ 123262779Spfg#define UFS1 1 124262779Spfg#define UFS2 2 12598542Smckusick 12698542Smckusick/* 1271541Srgrimes * Flags describing the state of quotas. 1281541Srgrimes */ 1291541Srgrimes#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */ 1301541Srgrimes#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */ 131262779Spfg#define QTF_64BIT 0x04 /* 64-bit quota file */ 1321541Srgrimes 1331541Srgrimes/* Convert mount ptr to ufsmount ptr. */ 134262779Spfg#define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data)) 135156203Sjeff#define UFSTOVFS(ump) (ump)->um_mountp 1361541Srgrimes 1371541Srgrimes/* 13896755Strhodes * Macros to access filesystem parameters in the ufsmount structure. 1391541Srgrimes * Used by ufs_bmap. 1401541Srgrimes */ 141262779Spfg#define MNINDIR(ump) ((ump)->um_nindir) 14222521Sdyson#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) 14322521Sdyson#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) 14455206Speter#endif /* _KERNEL */ 1451541Srgrimes 1462177Spaul#endif 147