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vnode_if.c
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vnode_if.c
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/* $NetBSD: vnode_if.c,v 1.119 2023/06/15 09:15:13 hannken Exp $ */
/*
* Warning: DO NOT EDIT! This file is automatically generated!
* (Modifications made here may easily be lost!)
*
* Created from the file:
* NetBSD: vnode_if.src,v 1.85 2023/06/15 09:13:36 hannken Exp
* by the script:
* NetBSD: vnode_if.sh,v 1.77 2022/10/26 23:39:43 riastradh Exp
*/
/*
* Copyright (c) 1992, 1993, 1994, 1995
* The Regents of the University of California. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vnode_if.c,v 1.119 2023/06/15 09:15:13 hannken Exp $");
#ifdef _KERNEL_OPT
#include "opt_vnode_lockdebug.h"
#endif /* _KERNEL_OPT */
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/buf.h>
#include <sys/fcntl.h>
#include <sys/vnode.h>
#include <sys/lock.h>
#include <sys/fstrans.h>
#include <miscfs/deadfs/deadfs.h>
enum fst_op { FST_NO, FST_YES, FST_LAZY, FST_TRY };
static inline int
vop_pre(vnode_t *vp, struct mount **mp, bool *mpsafe, enum fst_op op)
{
int error;
*mpsafe = (vp->v_vflag & VV_MPSAFE);
if (!*mpsafe) {
KERNEL_LOCK(1, curlwp);
}
if (op == FST_YES || op == FST_LAZY || op == FST_TRY) {
for (;;) {
*mp = vp->v_mount;
if (op == FST_TRY) {
error = fstrans_start_nowait(*mp);
if (error) {
if (!*mpsafe) {
KERNEL_UNLOCK_ONE(curlwp);
}
return error;
}
} else if (op == FST_LAZY) {
fstrans_start_lazy(*mp);
} else {
fstrans_start(*mp);
}
if (__predict_true(*mp == vp->v_mount))
break;
fstrans_done(*mp);
}
} else {
*mp = vp->v_mount;
}
return 0;
}
static inline u_quad_t
vop_pre_get_size(struct vnode *vp)
{
mutex_enter(vp->v_interlock);
KASSERT(vp->v_size != VSIZENOTSET);
u_quad_t rv = (u_quad_t)vp->v_size;
mutex_exit(vp->v_interlock);
return rv;
}
/*
* VOP_RMDIR(), VOP_REMOVE(), and VOP_RENAME() need special handling
* because they each drop the caller's references on one or more of
* their arguments. While there must be an open file descriptor in
* associated with a vnode in order for knotes to be attached to it,
* that status could change during the course of the operation. So,
* for the vnode arguments that are WILLRELE or WILLPUT, we check
* pre-op if there are registered knotes, take a hold count if so,
* and post-op release the hold after activating any knotes still
* associated with the vnode.
*/
#define VOP_POST_KNOTE(thisvp, e, n) \
do { \
if (__predict_true((e) == 0)) { \
/* \
* VN_KNOTE() does the VN_KEVENT_INTEREST() \
* check for us. \
*/ \
VN_KNOTE((thisvp), (n)); \
} \
} while (/*CONSTCOND*/0)
#define VOP_POST_KNOTE_HELD(thisvp, e, n) \
do { \
/* \
* We don't perform a VN_KEVENT_INTEREST() check here; it \
* was already performed when we did the pre-op work that \
* caused the vnode to be held in the first place. \
*/ \
mutex_enter((thisvp)->v_interlock); \
if (__predict_true((e) == 0)) { \
knote(&(thisvp)->v_klist->vk_klist, (n)); \
} \
holdrelel((thisvp)); \
mutex_exit((thisvp)->v_interlock); \
/* \
* thisvp might be gone now! Don't touch! \
*/ \
} while (/*CONSTCOND*/0)
#define vop_create_post(ap, e) \
VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)
#define vop_mknod_post(ap, e) \
VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)
#define vop_setattr_pre(ap) \
u_quad_t osize = 0; \
long vp_events = \
VN_KEVENT_INTEREST((ap)->a_vp, NOTE_ATTRIB | NOTE_EXTEND) \
? NOTE_ATTRIB : 0; \
bool check_extend = false; \
if (__predict_false(vp_events != 0 && \
(ap)->a_vap->va_size != VNOVALSIZE)) { \
check_extend = true; \
osize = vop_pre_get_size((ap)->a_vp); \
}
#define vop_setattr_post(ap, e) \
do { \
if (__predict_false(vp_events != 0)) { \
if (__predict_false(check_extend && \
(ap)->a_vap->va_size > osize)) { \
vp_events |= NOTE_EXTEND; \
} \
VOP_POST_KNOTE((ap)->a_vp, (e), vp_events); \
} \
} while (/*CONSTCOND*/0)
#define vop_setacl_post(ap, e) \
VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_ATTRIB)
#define vop_link_post(ap, e) \
do { \
VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE); \
VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_LINK); \
} while (/*CONSTCOND*/0)
#define vop_mkdir_post(ap, e) \
VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE | NOTE_LINK)
#define vop_remove_pre_common(ap) \
bool post_event_vp = \
VN_KEVENT_INTEREST((ap)->a_vp, NOTE_DELETE | NOTE_LINK); \
if (__predict_false(post_event_vp)) { \
vhold((ap)->a_vp); \
}
#define vop_remove_post_common(ap, e, dn, lc) \
do { \
VOP_POST_KNOTE((ap)->a_dvp, (e), (dn)); \
if (__predict_false(post_event_vp)) { \
VOP_POST_KNOTE_HELD((ap)->a_vp, (e), \
(lc) ? NOTE_LINK : NOTE_DELETE); \
} \
} while (/*CONSTCOND*/0)
/*
* One could make the argument that VOP_REMOVE() should send NOTE_LINK
* on vp if the resulting link count is not zero, but that's not what
* the documentation says.
*
* We could change this easily by passing ap->ctx_vp_new_nlink to
* vop_remove_post_common().
*/
#define vop_remove_pre(ap) \
vop_remove_pre_common((ap)); \
/* \
* We will assume that the file being removed is deleted unless \
* the file system tells us otherwise by updating vp_new_nlink. \
*/ \
(ap)->ctx_vp_new_nlink = 0;
#define vop_remove_post(ap, e) \
vop_remove_post_common((ap), (e), NOTE_WRITE, 0)
#define vop_rmdir_pre(ap) \
vop_remove_pre_common(ap)
#define vop_rmdir_post(ap, e) \
vop_remove_post_common((ap), (e), NOTE_WRITE | NOTE_LINK, 0)
#define vop_symlink_post(ap, e) \
VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)
#define vop_open_post(ap, e) \
VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_OPEN)
#define vop_close_post(ap, e) \
do { \
/* See the definition of VN_KNOTE() in <sys/vnode.h>. */ \
if (__predict_false(VN_KEVENT_INTEREST((ap)->a_vp, \
NOTE_CLOSE_WRITE | NOTE_CLOSE) && (e) == 0)) { \
struct vnode *thisvp = (ap)->a_vp; \
mutex_enter(thisvp->v_interlock); \
/* \
* Don't send NOTE_CLOSE when closing a vnode that's \
* been reclaimed or otherwise revoked; a NOTE_REVOKE \
* has already been sent, and this close is effectively \
* meaningless from the watcher's perspective. \
*/ \
if (__predict_true(thisvp->v_op != dead_vnodeop_p)) { \
knote(&thisvp->v_klist->vk_klist, \
((ap)->a_fflag & FWRITE) \
? NOTE_CLOSE_WRITE : NOTE_CLOSE); \
} \
mutex_exit(thisvp->v_interlock); \
} \
} while (/*CONSTCOND*/0)
#define vop_read_post(ap, e) \
VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_READ)
#define vop_write_pre(ap) \
off_t ooffset = 0, noffset = 0; \
u_quad_t osize = 0; \
long vp_events = \
VN_KEVENT_INTEREST((ap)->a_vp, NOTE_WRITE | NOTE_EXTEND) \
? NOTE_WRITE : 0; \
if (__predict_false(vp_events != 0)) { \
ooffset = (ap)->a_uio->uio_offset; \
osize = vop_pre_get_size((ap)->a_vp); \
}
#define vop_write_post(ap, e) \
do { \
/* \
* If any data was written, we'll post an event, even if \
* there was an error. \
*/ \
noffset = (ap)->a_uio->uio_offset; \
if (__predict_false(vp_events != 0 && noffset > ooffset)) { \
if (noffset > osize) { \
vp_events |= NOTE_EXTEND; \
} \
VN_KNOTE((ap)->a_vp, vp_events); \
} \
} while (/*CONSTCOND*/0)
static inline void
vop_post(vnode_t *vp, struct mount *mp, bool mpsafe, enum fst_op op)
{
if (op == FST_YES || op == FST_LAZY) {
fstrans_done(mp);
}
if (!mpsafe) {
KERNEL_UNLOCK_ONE(curlwp);
}
}
static inline void
assert_vop_unlocked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)
if (VOP_ISLOCKED(vp) == LK_EXCLUSIVE)
panic("%s: %p %d/%d is locked but should not be",
str, vp, vp->v_tag, vp->v_type);
#endif
}
static inline void
assert_vop_locked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)
if (VOP_ISLOCKED(vp) == LK_NONE)
panic("%s: %p %d/%d is not locked but should be",
str, vp, vp->v_tag, vp->v_type);
#endif
}
static inline void
assert_vop_elocked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)
if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE)
panic("%s: %p %d/%d is not exclusive locked but should be",
str, vp, vp->v_tag, vp->v_type);
#endif
}
const struct vnodeop_desc vop_default_desc = {
0,
"default",
0,
NULL,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
const int vop_bwrite_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_bwrite_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_bwrite_desc = {
VOP_BWRITE_DESCOFFSET,
"vop_bwrite",
0,
vop_bwrite_vp_offsets,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
int
VOP_BWRITE(struct vnode *vp,
struct buf *bp)
{
int error;
bool mpsafe;
struct vop_bwrite_args a;
struct mount *mp;
a.a_desc = VDESC(vop_bwrite);
a.a_vp = vp;
a.a_bp = bp;
error = vop_pre(vp, &mp, &mpsafe, FST_YES);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_bwrite), &a));
vop_post(vp, mp, mpsafe, FST_YES);
return error;
}
const int vop_parsepath_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_parsepath_args,a_dvp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_parsepath_desc = {
VOP_PARSEPATH_DESCOFFSET,
"vop_parsepath",
0,
vop_parsepath_vp_offsets,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
int
VOP_PARSEPATH(struct vnode *dvp,
const char *name,
size_t *retval)
{
int error;
bool mpsafe;
struct vop_parsepath_args a;
struct mount *mp;
a.a_desc = VDESC(vop_parsepath);
a.a_dvp = dvp;
a.a_name = name;
a.a_retval = retval;
error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(dvp, VOFFSET(vop_parsepath), &a));
vop_post(dvp, mp, mpsafe, FST_NO);
return error;
}
const int vop_lookup_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_lookup_v2_args,a_dvp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_lookup_desc = {
VOP_LOOKUP_DESCOFFSET,
"vop_lookup",
0,
vop_lookup_vp_offsets,
VOPARG_OFFSETOF(struct vop_lookup_v2_args, a_vpp),
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_lookup_v2_args, a_cnp),
};
int
VOP_LOOKUP(struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp)
{
int error;
bool mpsafe;
struct vop_lookup_v2_args a;
struct mount *mp;
a.a_desc = VDESC(vop_lookup);
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
assert_vop_locked(dvp, "vop_lookup: dvp");
error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(dvp, VOFFSET(vop_lookup), &a));
vop_post(dvp, mp, mpsafe, FST_NO);
#ifdef DIAGNOSTIC
if (error == 0)
KASSERT((*vpp)->v_size != VSIZENOTSET
&& (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
return error;
}
const int vop_create_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_create_v3_args,a_dvp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_create_desc = {
VOP_CREATE_DESCOFFSET,
"vop_create",
0,
vop_create_vp_offsets,
VOPARG_OFFSETOF(struct vop_create_v3_args, a_vpp),
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_create_v3_args, a_cnp),
};
int
VOP_CREATE(struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
struct vattr *vap)
{
int error;
bool mpsafe;
struct vop_create_v3_args a;
struct mount *mp;
a.a_desc = VDESC(vop_create);
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
a.a_vap = vap;
assert_vop_elocked(dvp, "vop_create: dvp");
error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(dvp, VOFFSET(vop_create), &a));
vop_post(dvp, mp, mpsafe, FST_NO);
vop_create_post(&a, error);
#ifdef DIAGNOSTIC
if (error == 0)
KASSERT((*vpp)->v_size != VSIZENOTSET
&& (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
return error;
}
const int vop_mknod_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_mknod_v3_args,a_dvp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_mknod_desc = {
VOP_MKNOD_DESCOFFSET,
"vop_mknod",
0,
vop_mknod_vp_offsets,
VOPARG_OFFSETOF(struct vop_mknod_v3_args, a_vpp),
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_mknod_v3_args, a_cnp),
};
int
VOP_MKNOD(struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
struct vattr *vap)
{
int error;
bool mpsafe;
struct vop_mknod_v3_args a;
struct mount *mp;
a.a_desc = VDESC(vop_mknod);
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
a.a_vap = vap;
assert_vop_elocked(dvp, "vop_mknod: dvp");
error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(dvp, VOFFSET(vop_mknod), &a));
vop_post(dvp, mp, mpsafe, FST_NO);
vop_mknod_post(&a, error);
#ifdef DIAGNOSTIC
if (error == 0)
KASSERT((*vpp)->v_size != VSIZENOTSET
&& (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
return error;
}
const int vop_open_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_open_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_open_desc = {
VOP_OPEN_DESCOFFSET,
"vop_open",
0,
vop_open_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_open_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_OPEN(struct vnode *vp,
int mode,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_open_args a;
struct mount *mp;
a.a_desc = VDESC(vop_open);
a.a_vp = vp;
a.a_mode = mode;
a.a_cred = cred;
assert_vop_locked(vp, "vop_open: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_open), &a));
vop_post(vp, mp, mpsafe, FST_NO);
vop_open_post(&a, error);
return error;
}
const int vop_close_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_close_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_close_desc = {
VOP_CLOSE_DESCOFFSET,
"vop_close",
0,
vop_close_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_close_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_CLOSE(struct vnode *vp,
int fflag,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_close_args a;
struct mount *mp;
a.a_desc = VDESC(vop_close);
a.a_vp = vp;
a.a_fflag = fflag;
a.a_cred = cred;
assert_vop_locked(vp, "vop_close: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_close), &a));
vop_post(vp, mp, mpsafe, FST_NO);
vop_close_post(&a, error);
return error;
}
const int vop_access_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_access_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_access_desc = {
VOP_ACCESS_DESCOFFSET,
"vop_access",
0,
vop_access_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_access_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_ACCESS(struct vnode *vp,
accmode_t accmode,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_access_args a;
struct mount *mp;
a.a_desc = VDESC(vop_access);
a.a_vp = vp;
a.a_accmode = accmode;
a.a_cred = cred;
assert_vop_locked(vp, "vop_access: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_access), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_accessx_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_accessx_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_accessx_desc = {
VOP_ACCESSX_DESCOFFSET,
"vop_accessx",
0,
vop_accessx_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_accessx_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_ACCESSX(struct vnode *vp,
accmode_t accmode,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_accessx_args a;
struct mount *mp;
a.a_desc = VDESC(vop_accessx);
a.a_vp = vp;
a.a_accmode = accmode;
a.a_cred = cred;
assert_vop_locked(vp, "vop_accessx: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_accessx), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_getattr_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_getattr_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_getattr_desc = {
VOP_GETATTR_DESCOFFSET,
"vop_getattr",
0,
vop_getattr_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_getattr_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_GETATTR(struct vnode *vp,
struct vattr *vap,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_getattr_args a;
struct mount *mp;
a.a_desc = VDESC(vop_getattr);
a.a_vp = vp;
a.a_vap = vap;
a.a_cred = cred;
assert_vop_locked(vp, "vop_getattr: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_getattr), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_setattr_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_setattr_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_setattr_desc = {
VOP_SETATTR_DESCOFFSET,
"vop_setattr",
0,
vop_setattr_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_setattr_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_SETATTR(struct vnode *vp,
struct vattr *vap,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_setattr_args a;
struct mount *mp;
a.a_desc = VDESC(vop_setattr);
a.a_vp = vp;
a.a_vap = vap;
a.a_cred = cred;
assert_vop_elocked(vp, "vop_setattr: vp");
vop_setattr_pre(&a);
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_setattr), &a));
vop_post(vp, mp, mpsafe, FST_NO);
vop_setattr_post(&a, error);
return error;
}
const int vop_read_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_read_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_read_desc = {
VOP_READ_DESCOFFSET,
"vop_read",
0,
vop_read_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_read_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_READ(struct vnode *vp,
struct uio *uio,
int ioflag,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_read_args a;
struct mount *mp;
a.a_desc = VDESC(vop_read);
a.a_vp = vp;
a.a_uio = uio;
a.a_ioflag = ioflag;
a.a_cred = cred;
assert_vop_locked(vp, "vop_read: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_read), &a));
vop_post(vp, mp, mpsafe, FST_NO);
vop_read_post(&a, error);
return error;
}
const int vop_write_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_write_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_write_desc = {
VOP_WRITE_DESCOFFSET,
"vop_write",
0,
vop_write_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_write_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_WRITE(struct vnode *vp,
struct uio *uio,
int ioflag,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_write_args a;
struct mount *mp;
a.a_desc = VDESC(vop_write);
a.a_vp = vp;
a.a_uio = uio;
a.a_ioflag = ioflag;
a.a_cred = cred;
assert_vop_locked(vp, "vop_write: vp");
vop_write_pre(&a);
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_write), &a));
vop_post(vp, mp, mpsafe, FST_NO);
vop_write_post(&a, error);
return error;
}
const int vop_fallocate_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_fallocate_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fallocate_desc = {
VOP_FALLOCATE_DESCOFFSET,
"vop_fallocate",
0,
vop_fallocate_vp_offsets,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
int
VOP_FALLOCATE(struct vnode *vp,
off_t pos,
off_t len)
{
int error;
bool mpsafe;
struct vop_fallocate_args a;
struct mount *mp;
a.a_desc = VDESC(vop_fallocate);
a.a_vp = vp;
a.a_pos = pos;
a.a_len = len;
assert_vop_locked(vp, "vop_fallocate: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_fallocate), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_fdiscard_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_fdiscard_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fdiscard_desc = {
VOP_FDISCARD_DESCOFFSET,
"vop_fdiscard",
0,
vop_fdiscard_vp_offsets,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
int
VOP_FDISCARD(struct vnode *vp,
off_t pos,
off_t len)
{
int error;
bool mpsafe;
struct vop_fdiscard_args a;
struct mount *mp;
a.a_desc = VDESC(vop_fdiscard);
a.a_vp = vp;
a.a_pos = pos;
a.a_len = len;
assert_vop_locked(vp, "vop_fdiscard: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_fdiscard), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_ioctl_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_ioctl_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_ioctl_desc = {
VOP_IOCTL_DESCOFFSET,
"vop_ioctl",
0,
vop_ioctl_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_ioctl_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_IOCTL(struct vnode *vp,
u_long command,
void *data,
int fflag,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_ioctl_args a;
struct mount *mp;
a.a_desc = VDESC(vop_ioctl);
a.a_vp = vp;
a.a_command = command;
a.a_data = data;
a.a_fflag = fflag;
a.a_cred = cred;
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_ioctl), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_fcntl_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_fcntl_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fcntl_desc = {
VOP_FCNTL_DESCOFFSET,
"vop_fcntl",
0,
vop_fcntl_vp_offsets,
VDESC_NO_OFFSET,
VOPARG_OFFSETOF(struct vop_fcntl_args, a_cred),
VDESC_NO_OFFSET,
};
int
VOP_FCNTL(struct vnode *vp,
u_int command,
void *data,
int fflag,
kauth_cred_t cred)
{
int error;
bool mpsafe;
struct vop_fcntl_args a;
struct mount *mp;
a.a_desc = VDESC(vop_fcntl);
a.a_vp = vp;
a.a_command = command;
a.a_data = data;
a.a_fflag = fflag;
a.a_cred = cred;
assert_vop_unlocked(vp, "vop_fcntl: vp");
error = vop_pre(vp, &mp, &mpsafe, FST_NO);
if (error)
return error;
error = (VCALL(vp, VOFFSET(vop_fcntl), &a));
vop_post(vp, mp, mpsafe, FST_NO);
return error;
}
const int vop_poll_vp_offsets[] = {
VOPARG_OFFSETOF(struct vop_poll_args,a_vp),
VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_poll_desc = {
VOP_POLL_DESCOFFSET,
"vop_poll",
0,
vop_poll_vp_offsets,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
VDESC_NO_OFFSET,
};
int
VOP_POLL(struct vnode *vp,
int events)
{
int error;
bool mpsafe;
struct vop_poll_args a;
struct mount *mp;
a.a_desc = VDESC(vop_poll);
a.a_vp = vp;
a.a_events = events;