1168404Spjd/*- 2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3168404Spjd * All rights reserved. 4168404Spjd * 5168404Spjd * Redistribution and use in source and binary forms, with or without 6168404Spjd * modification, are permitted provided that the following conditions 7168404Spjd * are met: 8168404Spjd * 1. Redistributions of source code must retain the above copyright 9168404Spjd * notice, this list of conditions and the following disclaimer. 10168404Spjd * 2. Redistributions in binary form must reproduce the above copyright 11168404Spjd * notice, this list of conditions and the following disclaimer in the 12168404Spjd * documentation and/or other materials provided with the distribution. 13168404Spjd * 14168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17168404Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24168404Spjd * SUCH DAMAGE. 25168404Spjd * 26168404Spjd * $FreeBSD$ 27168404Spjd */ 28168404Spjd 29168404Spjd#ifndef _OPENSOLARIS_SYS_VNODE_H_ 30168404Spjd#define _OPENSOLARIS_SYS_VNODE_H_ 31168404Spjd 32219089Spjd#ifdef _KERNEL 33219089Spjd 34185029Spjdstruct vnode; 35185029Spjdstruct vattr; 36185029Spjd 37185029Spjdtypedef struct vnode vnode_t; 38185029Spjdtypedef struct vattr vattr_t; 39185029Spjdtypedef enum vtype vtype_t; 40185029Spjd 41185029Spjd#include <sys/namei.h> 42185029Spjdenum symfollow { NO_FOLLOW = NOFOLLOW }; 43185029Spjd 44185029Spjd#include <sys/proc.h> 45168404Spjd#include_next <sys/vnode.h> 46168404Spjd#include <sys/mount.h> 47168404Spjd#include <sys/cred.h> 48168404Spjd#include <sys/fcntl.h> 49185029Spjd#include <sys/file.h> 50168404Spjd#include <sys/filedesc.h> 51168404Spjd#include <sys/syscallsubr.h> 52168404Spjd 53168404Spjdtypedef struct vop_vector vnodeops_t; 54209962Smm#define VOP_FID VOP_VPTOFH 55168404Spjd#define vop_fid vop_vptofh 56168404Spjd#define vop_fid_args vop_vptofh_args 57168404Spjd#define a_fid a_fhp 58168404Spjd 59185029Spjd#define IS_XATTRDIR(dvp) (0) 60185029Spjd 61168404Spjd#define v_count v_usecount 62168404Spjd 63198703Spjd#define V_APPEND VAPPEND 64198703Spjd 65219089Spjd#define rootvfs (rootvnode == NULL ? NULL : rootvnode->v_mount) 66219089Spjd 67168404Spjdstatic __inline int 68168404Spjdvn_is_readonly(vnode_t *vp) 69168404Spjd{ 70168404Spjd return (vp->v_mount->mnt_flag & MNT_RDONLY); 71168404Spjd} 72168404Spjd#define vn_vfswlock(vp) (0) 73168404Spjd#define vn_vfsunlock(vp) do { } while (0) 74168404Spjd#define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL) 75168404Spjd#define vn_mountedvfs(vp) ((vp)->v_mountedhere) 76212657Savg#define vn_has_cached_data(vp) \ 77219089Spjd ((vp)->v_object != NULL && \ 78219089Spjd ((vp)->v_object->resident_page_count > 0 || \ 79248082Sattilio !vm_object_cache_is_empty((vp)->v_object))) 80185029Spjd#define vn_exists(vp) do { } while (0) 81185029Spjd#define vn_invalid(vp) do { } while (0) 82185029Spjd#define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0) 83185029Spjd#define vn_free(vp) do { } while (0) 84212694Smm#define vn_matchops(vp, vops) ((vp)->v_op == &(vops)) 85168404Spjd 86168404Spjd#define VN_HOLD(v) vref(v) 87168404Spjd#define VN_RELE(v) vrele(v) 88168404Spjd#define VN_URELE(v) vput(v) 89168404Spjd 90185029Spjd#define VOP_REALVP(vp, vpp, ct) (*(vpp) = (vp), 0) 91168962Spjd 92185029Spjd#define vnevent_create(vp, ct) do { } while (0) 93185029Spjd#define vnevent_link(vp, ct) do { } while (0) 94185029Spjd#define vnevent_remove(vp, dvp, name, ct) do { } while (0) 95185029Spjd#define vnevent_rmdir(vp, dvp, name, ct) do { } while (0) 96185029Spjd#define vnevent_rename_src(vp, dvp, name, ct) do { } while (0) 97185029Spjd#define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0) 98185029Spjd#define vnevent_rename_dest_dir(vp, ct) do { } while (0) 99168962Spjd 100168962Spjd#define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp)) 101219089Spjd#define MANDMODE(mode) (0) 102219089Spjd#define MANDLOCK(vp, mode) (0) 103168962Spjd#define chklock(vp, op, offset, size, mode, ct) (0) 104168962Spjd#define cleanlocks(vp, pid, foo) do { } while (0) 105168962Spjd#define cleanshares(vp, pid) do { } while (0) 106168962Spjd 107168404Spjd/* 108168404Spjd * We will use va_spare is place of Solaris' va_mask. 109168404Spjd * This field is initialized in zfs_setattr(). 110168404Spjd */ 111168404Spjd#define va_mask va_spare 112168404Spjd/* TODO: va_fileid is shorter than va_nodeid !!! */ 113168404Spjd#define va_nodeid va_fileid 114168404Spjd/* TODO: This field needs conversion! */ 115168404Spjd#define va_nblocks va_bytes 116168404Spjd#define va_blksize va_blocksize 117168404Spjd#define va_seq va_gen 118168404Spjd 119168962Spjd#define MAXOFFSET_T OFF_MAX 120168962Spjd#define EXCL 0 121168962Spjd 122168404Spjd#define ACCESSED (AT_ATIME) 123168404Spjd#define STATE_CHANGED (AT_CTIME) 124168404Spjd#define CONTENT_MODIFIED (AT_MTIME | AT_CTIME) 125168404Spjd 126168404Spjdstatic __inline void 127168404Spjdvattr_init_mask(vattr_t *vap) 128168404Spjd{ 129168404Spjd 130168404Spjd vap->va_mask = 0; 131168404Spjd 132168404Spjd if (vap->va_type != VNON) 133168404Spjd vap->va_mask |= AT_TYPE; 134168404Spjd if (vap->va_uid != (uid_t)VNOVAL) 135168404Spjd vap->va_mask |= AT_UID; 136168404Spjd if (vap->va_gid != (gid_t)VNOVAL) 137168404Spjd vap->va_mask |= AT_GID; 138168404Spjd if (vap->va_size != (u_quad_t)VNOVAL) 139168404Spjd vap->va_mask |= AT_SIZE; 140168404Spjd if (vap->va_atime.tv_sec != VNOVAL) 141168404Spjd vap->va_mask |= AT_ATIME; 142168404Spjd if (vap->va_mtime.tv_sec != VNOVAL) 143168404Spjd vap->va_mask |= AT_MTIME; 144168404Spjd if (vap->va_mode != (u_short)VNOVAL) 145168404Spjd vap->va_mask |= AT_MODE; 146185029Spjd if (vap->va_flags != VNOVAL) 147185029Spjd vap->va_mask |= AT_XVATTR; 148168404Spjd} 149168404Spjd 150185029Spjd#define FCREAT O_CREAT 151185029Spjd#define FTRUNC O_TRUNC 152219089Spjd#define FEXCL O_EXCL 153185029Spjd#define FDSYNC FFSYNC 154185029Spjd#define FRSYNC FFSYNC 155185029Spjd#define FSYNC FFSYNC 156185029Spjd#define FOFFMAX 0x00 157185029Spjd#define FIGNORECASE 0x00 158168962Spjd 159168404Spjdstatic __inline int 160185029Spjdvn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 161185029Spjd vnode_t **vpp, enum create crwhy, mode_t umask, struct vnode *startvp, 162185029Spjd int fd) 163168404Spjd{ 164168404Spjd struct thread *td = curthread; 165185319Spjd struct filedesc *fdc; 166168404Spjd struct nameidata nd; 167185029Spjd int error, operation; 168168404Spjd 169168404Spjd ASSERT(seg == UIO_SYSSPACE); 170185029Spjd if ((filemode & FCREAT) != 0) { 171185029Spjd ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX)); 172185029Spjd ASSERT(crwhy == CRCREAT); 173185029Spjd operation = CREATE; 174185029Spjd } else { 175219089Spjd ASSERT(filemode == (FREAD | FOFFMAX) || 176219089Spjd filemode == (FREAD | FWRITE | FOFFMAX)); 177185029Spjd ASSERT(crwhy == 0); 178185029Spjd operation = LOOKUP; 179185029Spjd } 180168404Spjd ASSERT(umask == 0); 181168404Spjd 182185319Spjd fdc = td->td_proc->p_fd; 183185319Spjd FILEDESC_XLOCK(fdc); 184185319Spjd if (fdc->fd_rdir == NULL) { 185185319Spjd fdc->fd_rdir = rootvnode; 186185319Spjd vref(fdc->fd_rdir); 187185319Spjd } 188185319Spjd if (fdc->fd_cdir == NULL) { 189185319Spjd fdc->fd_cdir = rootvnode; 190185319Spjd vref(fdc->fd_rdir); 191185319Spjd } 192185319Spjd FILEDESC_XUNLOCK(fdc); 193168404Spjd 194185029Spjd if (startvp != NULL) 195185029Spjd vref(startvp); 196241896Skib NDINIT_ATVP(&nd, operation, 0, UIO_SYSSPACE, pnamep, startvp, td); 197185319Spjd filemode |= O_NOFOLLOW; 198194586Skib error = vn_open_cred(&nd, &filemode, createmode, 0, td->td_ucred, NULL); 199168404Spjd NDFREE(&nd, NDF_ONLY_PNBUF); 200168404Spjd if (error == 0) { 201168404Spjd /* We just unlock so we hold a reference. */ 202175294Sattilio VOP_UNLOCK(nd.ni_vp, 0); 203168404Spjd *vpp = nd.ni_vp; 204168404Spjd } 205168404Spjd return (error); 206168404Spjd} 207185029Spjd 208185029Spjdstatic __inline int 209185029Spjdzfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 210185029Spjd vnode_t **vpp, enum create crwhy, mode_t umask) 211185029Spjd{ 212185029Spjd 213185029Spjd return (vn_openat(pnamep, seg, filemode, createmode, vpp, crwhy, 214185029Spjd umask, NULL, -1)); 215185029Spjd} 216168404Spjd#define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \ 217168404Spjd zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask)) 218168404Spjd 219168404Spjd#define RLIM64_INFINITY 0 220168404Spjdstatic __inline int 221168404Spjdzfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len, 222168404Spjd offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr, 223168404Spjd ssize_t *residp) 224168404Spjd{ 225168404Spjd struct thread *td = curthread; 226241896Skib int error; 227231949Skib ssize_t resid; 228168404Spjd 229168404Spjd ASSERT(ioflag == 0); 230168404Spjd ASSERT(ulimit == RLIM64_INFINITY); 231168404Spjd 232185029Spjd if (rw == UIO_WRITE) { 233185029Spjd ioflag = IO_SYNC; 234185029Spjd } else { 235185029Spjd ioflag = IO_DIRECT; 236185029Spjd } 237168404Spjd error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED, 238168404Spjd &resid, td); 239168404Spjd if (residp != NULL) 240168404Spjd *residp = (ssize_t)resid; 241168404Spjd return (error); 242168404Spjd} 243168404Spjd#define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \ 244168404Spjd zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp)) 245168404Spjd 246168404Spjdstatic __inline int 247168404Spjdzfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr) 248168404Spjd{ 249168404Spjd struct mount *mp; 250241896Skib int error; 251168404Spjd 252168404Spjd ASSERT(flag == FSYNC); 253168404Spjd 254168404Spjd if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) 255168404Spjd goto drop; 256175202Sattilio vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 257175294Sattilio error = VOP_FSYNC(vp, MNT_WAIT, curthread); 258175294Sattilio VOP_UNLOCK(vp, 0); 259168404Spjd vn_finished_write(mp); 260168404Spjddrop: 261168404Spjd return (error); 262168404Spjd} 263185029Spjd#define VOP_FSYNC(vp, flag, cr, ct) zfs_vop_fsync((vp), (flag), (cr)) 264168404Spjd 265168404Spjdstatic __inline int 266168404Spjdzfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr) 267168404Spjd{ 268241896Skib int error; 269168404Spjd 270168404Spjd ASSERT(count == 1); 271168404Spjd ASSERT(offset == 0); 272168404Spjd 273185319Spjd error = vn_close(vp, flag, cr, curthread); 274185319Spjd return (error); 275168404Spjd} 276185029Spjd#define VOP_CLOSE(vp, oflags, count, offset, cr, ct) \ 277168404Spjd zfs_vop_close((vp), (oflags), (count), (offset), (cr)) 278168404Spjd 279168404Spjdstatic __inline int 280168404Spjdvn_rename(char *from, char *to, enum uio_seg seg) 281168404Spjd{ 282168404Spjd 283168404Spjd ASSERT(seg == UIO_SYSSPACE); 284168404Spjd 285168404Spjd return (kern_rename(curthread, from, to, seg)); 286168404Spjd} 287168404Spjd 288168404Spjdstatic __inline int 289168404Spjdvn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag) 290168404Spjd{ 291168404Spjd 292168404Spjd ASSERT(seg == UIO_SYSSPACE); 293168404Spjd ASSERT(dirflag == RMFILE); 294168404Spjd 295168404Spjd return (kern_unlink(curthread, fnamep, seg)); 296168404Spjd} 297168404Spjd 298219089Spjd#endif /* _KERNEL */ 299219089Spjd 300168404Spjd#endif /* _OPENSOLARIS_SYS_VNODE_H_ */ 301