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/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_VNODE_H_
#define _OPENSOLARIS_SYS_VNODE_H_
struct vnode;
struct vattr;
typedef struct vnode vnode_t;
typedef struct vattr vattr_t;
typedef enum vtype vtype_t;
#include <sys/namei.h>
enum symfollow { NO_FOLLOW = NOFOLLOW };
#include <sys/proc.h>
#include_next <sys/vnode.h>
#include <sys/mount.h>
#include <sys/cred.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/syscallsubr.h>
typedef struct vop_vector vnodeops_t;
#define VOP_FID VOP_VPTOFH
#define vop_fid vop_vptofh
#define vop_fid_args vop_vptofh_args
#define a_fid a_fhp
#define IS_XATTRDIR(dvp) (0)
#define v_count v_usecount
#define V_APPEND VAPPEND
static __inline int
vn_is_readonly(vnode_t *vp)
{
return (vp->v_mount->mnt_flag & MNT_RDONLY);
}
#define vn_vfswlock(vp) (0)
#define vn_vfsunlock(vp) do { } while (0)
#define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL)
#define vn_mountedvfs(vp) ((vp)->v_mountedhere)
#define vn_has_cached_data(vp) \
((vp)->v_object != NULL && ((vp)->v_object->resident_page_count > 0 \
|| (vp)->v_object->cache != NULL))
#define vn_exists(vp) do { } while (0)
#define vn_invalid(vp) do { } while (0)
#define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0)
#define vn_free(vp) do { } while (0)
#define vn_matchops(vp, vops) ((vp)->v_op == &(vops))
#define VN_HOLD(v) vref(v)
#define VN_RELE(v) vrele(v)
#define VN_URELE(v) vput(v)
#define VOP_REALVP(vp, vpp, ct) (*(vpp) = (vp), 0)
#define vnevent_create(vp, ct) do { } while (0)
#define vnevent_link(vp, ct) do { } while (0)
#define vnevent_remove(vp, dvp, name, ct) do { } while (0)
#define vnevent_rmdir(vp, dvp, name, ct) do { } while (0)
#define vnevent_rename_src(vp, dvp, name, ct) do { } while (0)
#define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0)
#define vnevent_rename_dest_dir(vp, ct) do { } while (0)
#define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp))
#define MANDMODE(mode) (0)
#define chklock(vp, op, offset, size, mode, ct) (0)
#define cleanlocks(vp, pid, foo) do { } while (0)
#define cleanshares(vp, pid) do { } while (0)
/*
* We will use va_spare is place of Solaris' va_mask.
* This field is initialized in zfs_setattr().
*/
#define va_mask va_spare
/* TODO: va_fileid is shorter than va_nodeid !!! */
#define va_nodeid va_fileid
/* TODO: This field needs conversion! */
#define va_nblocks va_bytes
#define va_blksize va_blocksize
#define va_seq va_gen
#define MAXOFFSET_T OFF_MAX
#define EXCL 0
#define ACCESSED (AT_ATIME)
#define STATE_CHANGED (AT_CTIME)
#define CONTENT_MODIFIED (AT_MTIME | AT_CTIME)
static __inline void
vattr_init_mask(vattr_t *vap)
{
vap->va_mask = 0;
if (vap->va_type != VNON)
vap->va_mask |= AT_TYPE;
if (vap->va_uid != (uid_t)VNOVAL)
vap->va_mask |= AT_UID;
if (vap->va_gid != (gid_t)VNOVAL)
vap->va_mask |= AT_GID;
if (vap->va_size != (u_quad_t)VNOVAL)
vap->va_mask |= AT_SIZE;
if (vap->va_atime.tv_sec != VNOVAL)
vap->va_mask |= AT_ATIME;
if (vap->va_mtime.tv_sec != VNOVAL)
vap->va_mask |= AT_MTIME;
if (vap->va_mode != (u_short)VNOVAL)
vap->va_mask |= AT_MODE;
if (vap->va_flags != VNOVAL)
vap->va_mask |= AT_XVATTR;
}
#define FCREAT O_CREAT
#define FTRUNC O_TRUNC
#define FDSYNC FFSYNC
#define FRSYNC FFSYNC
#define FSYNC FFSYNC
#define FOFFMAX 0x00
#define FIGNORECASE 0x00
static __inline int
vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode,
vnode_t **vpp, enum create crwhy, mode_t umask, struct vnode *startvp,
int fd)
{
struct thread *td = curthread;
struct filedesc *fdc;
struct nameidata nd;
int error, operation;
ASSERT(seg == UIO_SYSSPACE);
if ((filemode & FCREAT) != 0) {
ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX));
ASSERT(crwhy == CRCREAT);
operation = CREATE;
} else {
ASSERT(filemode == (FREAD | FWRITE | FOFFMAX));
ASSERT(crwhy == 0);
operation = LOOKUP;
}
ASSERT(umask == 0);
fdc = td->td_proc->p_fd;
FILEDESC_XLOCK(fdc);
if (fdc->fd_rdir == NULL) {
fdc->fd_rdir = rootvnode;
vref(fdc->fd_rdir);
}
if (fdc->fd_cdir == NULL) {
fdc->fd_cdir = rootvnode;
vref(fdc->fd_rdir);
}
FILEDESC_XUNLOCK(fdc);
if (startvp != NULL)
vref(startvp);
NDINIT_ATVP(&nd, operation, MPSAFE, UIO_SYSSPACE, pnamep, startvp, td);
filemode |= O_NOFOLLOW;
error = vn_open_cred(&nd, &filemode, createmode, 0, td->td_ucred, NULL);
NDFREE(&nd, NDF_ONLY_PNBUF);
if (error == 0) {
/* We just unlock so we hold a reference. */
VOP_UNLOCK(nd.ni_vp, 0);
*vpp = nd.ni_vp;
}
return (error);
}
static __inline int
zfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode,
vnode_t **vpp, enum create crwhy, mode_t umask)
{
return (vn_openat(pnamep, seg, filemode, createmode, vpp, crwhy,
umask, NULL, -1));
}
#define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \
zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask))
#define RLIM64_INFINITY 0
static __inline int
zfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len,
offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr,
ssize_t *residp)
{
struct thread *td = curthread;
int error, vfslocked, resid;
ASSERT(ioflag == 0);
ASSERT(ulimit == RLIM64_INFINITY);
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
if (rw == UIO_WRITE) {
ioflag = IO_SYNC;
} else {
ioflag = IO_DIRECT;
}
error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED,
&resid, td);
VFS_UNLOCK_GIANT(vfslocked);
if (residp != NULL)
*residp = (ssize_t)resid;
return (error);
}
#define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \
zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp))
static __inline int
zfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr)
{
struct mount *mp;
int error, vfslocked;
ASSERT(flag == FSYNC);
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0)
goto drop;
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
error = VOP_FSYNC(vp, MNT_WAIT, curthread);
VOP_UNLOCK(vp, 0);
vn_finished_write(mp);
drop:
VFS_UNLOCK_GIANT(vfslocked);
return (error);
}
#define VOP_FSYNC(vp, flag, cr, ct) zfs_vop_fsync((vp), (flag), (cr))
static __inline int
zfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr)
{
int error, vfslocked;
ASSERT(count == 1);
ASSERT(offset == 0);
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
error = vn_close(vp, flag, cr, curthread);
VFS_UNLOCK_GIANT(vfslocked);
return (error);
}
#define VOP_CLOSE(vp, oflags, count, offset, cr, ct) \
zfs_vop_close((vp), (oflags), (count), (offset), (cr))
static __inline int
vn_rename(char *from, char *to, enum uio_seg seg)
{
ASSERT(seg == UIO_SYSSPACE);
return (kern_rename(curthread, from, to, seg));
}
static __inline int
vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag)
{
ASSERT(seg == UIO_SYSSPACE);
ASSERT(dirflag == RMFILE);
return (kern_unlink(curthread, fnamep, seg));
}
#endif /* _OPENSOLARIS_SYS_VNODE_H_ */
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