NetBSD/sys/miscfs/genfs/genfs_vnops.c

111 lines
1.6 KiB
C

/* $NetBSD: genfs_vnops.c,v 1.5 1998/01/05 19:20:11 perry Exp $ */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/namei.h>
#include <sys/vnode.h>
#include <sys/malloc.h>
#include <sys/poll.h>
#include <miscfs/genfs/genfs.h>
int
genfs_poll(v)
void *v;
{
struct vop_poll_args /* {
struct vnode *a_vp;
int a_events;
struct proc *a_p;
} */ *ap = v;
return (ap->a_events & (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM));
}
int
genfs_fsync(v)
void *v;
{
struct vop_fsync_args /* {
struct vnode *a_vp;
struct ucred *a_cred;
int a_waitfor;
struct proc *a_p;
} */ *ap = v;
register struct vnode *vp = ap->a_vp;
struct timespec ts;
vflushbuf(vp, ap->a_waitfor == MNT_WAIT);
TIMEVAL_TO_TIMESPEC(&time, &ts);
return (VOP_UPDATE(ap->a_vp, &ts, &ts, ap->a_waitfor == MNT_WAIT));
}
int
genfs_seek(v)
void *v;
{
struct vop_seek_args /* {
struct vnode *a_vp;
off_t a_oldoff;
off_t a_newoff;
struct ucred *a_ucred;
} */ *ap = v;
if (ap->a_newoff < 0)
return (EINVAL);
return (0);
}
int
genfs_abortop(v)
void *v;
{
struct vop_abortop_args /* {
struct vnode *a_dvp;
struct componentname *a_cnp;
} */ *ap = v;
if ((ap->a_cnp->cn_flags & (HASBUF | SAVESTART)) == HASBUF)
FREE(ap->a_cnp->cn_pnbuf, M_NAMEI);
return (0);
}
/*ARGSUSED*/
int
genfs_badop(v)
void *v;
{
panic("genfs: bad op");
}
/*ARGSUSED*/
int
genfs_nullop(v)
void *v;
{
return (0);
}
/*ARGSUSED*/
int
genfs_eopnotsupp(v)
void *v;
{
return (EOPNOTSUPP);
}
/*ARGSUSED*/
int
genfs_ebadf(v)
void *v;
{
return (EBADF);
}